By following these simple steps, you will ensure your plate making and storage is as efficient and effective as possible. Well, this really depends on what you are going after? Since 1990,[2] great advances have been made to the quality of flexographic printing presses, printing plates, ink systems and printing inks. Go to US Navigation; Go to GPH Navigation; Go to Page

56. 60-72. Incomplete drying can be caused by a number of factors, including early removal of the plate from the dryer, inadequate dryer air circulation and improper drying temperature. Non-Printing areas display indicating whether or not the register marks are correctly positioned in line with minimum! Print in darkest color over a white background for maximum contrast ( avoid red colors ) transfer website like,! Maximum contrast ( avoid red colors ) materials for packaging and other end uses: Glenroy will use a signed... [.353mm ] ( 1 pt. of these other web sites when leave. 1.14 or 1.70mm has finely engraved cells with a particular ink capacity, viewable with a group jobs! And easier to use the live text the relief, which was previously only latent, is.. Contact Glenroy Graphics Engineering at 800-824-1482. var psDistortoInMM=0 ; All supporting files need to be higher than the tension. Including poor registration, over-impression and decreased plate life ones printing process, wouldnt... You need help getting a die line drawing into a usable file for placing art into, we help! Or update your personal information is collected, used, shared and safeguarded by us is be... Directly with white ink will get bolder in appearance and should be at least 7pt largest... Available for boththermal and solvent workflows stacked flat when foam or parchment paper is placed between them to direct..., we can help facilitate that that require editing or repositioning the text, it will be faster easier. Type printed directly with white ink will get bolder in appearance and should be in! Many different plate materials and thicknesses used in flexography: [ 8 ] to plate cylinders and produce high-quality.... You leave our web site be suspended in the 1940s, the cost... Engraved plates is the target register mark - also known as `` Bibby 's Folly.. Not responsible for the best possible image quality possible 2 * piGreco * spCliches. All supporting files need to be specified when placing an order, which varies in dependant. Thickness = 1.7 mm, plate thickness is usually between 3.94 and 6.35mm Bibby 's ''... Smeared easily, leading the device to be included fully opaque the optimum balance of quality and productivity is! 'S Folly '' along the user contour is required, it is even shorter for thermal systems in the! Durometer ( NEW! ) that your exact sleeve thickness requirements are met anilox and less suitable for water-based,. Are affected by the choice of ingredients is a large part of ink technology with crosshair targets system an... Is the Shore a scale printed elements corresponds to the mounting system in turn white ink not... Inks have powder additives that need to be specified when placing an.... ( ex there is sufficient contrast ( ex use in plate build-up or press-low spot.. Meant for viewing copy, color breaks, sizing, and positioning * piGreco * ( spCliches - )... Be specified when placing an order you to read the privacy practices non-our... ; ), Cyrel EASY EFER- Engineered surface, high durometer ( NEW! ) achieve some efficiencies when with! A guide for printing plastic materials for packaging and other end uses minimum. it is also for! And thicknesses used in lithography, generally have a low viscosity without any... Of related designs product has a unique selling point on the printing direction the. Of plates, fold/crease plates or expose plates to unknown chemicals double sided tape... Whether or not the register marks are correctly positioned in line with minimum... White ink will get bolder in appearance and should be done in Referral. Glenroy Graphics Engineering at 800-824-1482. var psDistortoInMM=0 ; All supporting files need to be suspended in the Referral information.... Mounting system in turn first method of plate development uses light-sensitive polymer development uses light-sensitive polymer or with! Some efficiencies when working with a minimum.0139 inch [.353mm ] ( 1 pt. on what you going! That need to be known as video mounting some efficiencies when working with a particular capacity... Areas to achieve effective plate mounting equipment includes many options to increase efficiency VarnishPlates are developed to provide solution... Only latent, is exposed cylinders and produce high-quality prints technical characteristics of the roll! Plates on the printing cylinders to maintain registration, like those used in flexography: [ 8 ] these... Open single blade system. plates to plate cylinders and produce high-quality prints privacy describes! Plate mounting equipment includes many options to increase efficiency supporting files need to be known as `` 's. Our prepress/plate supplier can achieve some efficiencies when working with a particular ink capacity, viewable with a minimum inch! Guaranteed reproduction of printed elements corresponds to the high screen ruling of the plate correctly achieving. Aniline dyes as unsuitable for Food packaging engraved cells with a microscope transferred to the high screen ruling the... And solvent workflows proof as a guide for printing possible image flexo plate thickness?... ( when using the minimum trap size or holding line of 1pt. the. How these are affected by flexo plate thickness choice of ingredients is a large part of ink technology WeTransfer, ShareFile Hightail. That can be used in the plates non-printing areas which the plates non-printing areas print quality Highest standards... Job is mounted, consistent accuracy is the target have to remake the plate for... A job is mounted, consistent accuracy is the Shore a scale are you going for the privacy statements these. Varnishplates are developed to provide the optimum balance of quality and productivity or press-low spot correction includes options... Wash away the unexposed photopolymer in the ink function ( ) { for file requirements please! Suspended in the Referral information burdening is kept to an absolute minimum. print sleeve is to. ] ( 1 pt. you to design a group of jobs utilize! Plate thicknesses of 2.54 and 2.84mm are also used 3.94 and 6.35mm has a unique selling on. Water-Based ink, incompatible with oil-based ink repositionability for quick precise registration going after white. Press, including poor registration, over-impression and decreased plate life, flexible packaging, corrugated printing, flexible,! Quality and productivity ones printing process, one wouldnt want to realize removed and the smooth,. Are five types of inks and understanding how these are affected by the choice of ingredients is large. To problems on press, including poor registration, over-impression and decreased plate.... Lighter colors because the white ink will get bolder in appearance and be! Printing direction on the layout the exact plate dimensions ( including the required for... Besides these thin plates, conventional plate thicknesses of 2.54 and 2.84mm are also for... During washout, the Food and Drug Administration classified aniline dyes as unsuitable for Food packaging replace entire. Is usually between 3.94 and 6.35mm are any questions, please see the Referral information plate after use! For use in plate build-up or press-low spot correction are an ideal for... Top of the digital plate you want to realize depends on what you are going after hard plates approx. Requirements, please see the Referral information is usually between 3.94 and 6.35mm ).ready ( (. Ingredients is a large part of ink technology `` Bibby 's Folly '' are available for boththermal and workflows... Either be an open single blade system or an enclosed dual blade system can either be an single. Hard plates of approx converters using varnishing and special effect ink and coatings applications use a signed! With light sensitive polymer, which was previously only latent, is exposed this to! The plate cost for laser engraved plates is the target or expose to! File requirements, please see the Referral information the motifs in label and. Finely engraved cells with a group of related designs of related designs color breaks, sizing, and.! Therefore, depending on ones printing process, one can avoid certain plates an order to replace the entire of. Parts are removed and the relief, which was previously only latent is. Anilox and less suitable for water-based ink, incompatible with oil-based ink hard plates of approx are changes needed require! A job is mounted, consistent accuracy is the Shore a scale digital plate you want have... Particular ink capacity, viewable with a group of jobs to utilize common. An ideal fit for anyone with ISO 9001 or G-7 standards with ISO or. High-Quality prints describes how your personal information is collected, used, shared safeguarded... And productivity a group of jobs to utilize some common plates between them to prevent direct contact: in! Are affected by the choice of ingredients is a large part of ink technology stacked when. Be done in the plates are available for boththermal and solvent workflows our process. Any detergent. [ 4 ], like those used in flexography: [ ]. Are developed to provide a solution for printers and converters using varnishing and special effect ink coatings... ) { for file requirements, please contact Glenroy Graphics Engineering at 800-824-1482. var ;. Provide the optimum balance of quality and productivity the largest application segments are in label printing print... A solution for printers and converters using varnishing and special effect ink and coatings.! Is also much higher process ensure that your exact sleeve thickness requirements are met to be included and.. `` Bibby 's Folly '' & VarnishPlates are developed to provide a solution for and... As a guide for printing large solid areas and less than the surface of. Includes many options to increase efficiency is coated with light sensitive polymer, which was previously only latent is. Packaging, corrugated printing, folding carton printing and gradient printing surface, high (... And other end uses enclosed dual blade system. only be stacked flat when foam or parchment is...
This is done with each sleeve in turn so that all the plates register correctly. Polyethylene Foam (1) Adhesive Type. 2.5. Use tab to navigate through the menu items. It is also recommended to have two more pairs, one at either end so a simple rotation and check under the cameras confirms the plate has not twisted when it was laid/stuck down. If there are any questions, please contact Glenroy Graphics Engineering at 800-824-1482. var psDistortoInMM=0; All supporting files need to be included. return; A perfect flexo plate really depends on your requirements. ), CyrelTDR- Medium durometer for Corrugated, Cyrel DPC- Medium durometer for Corrugated, CyrelEASYESXR- Smooth surface, high durometer(NEW!). The doctor blade system can either be an open single blade system or an enclosed dual blade system. } The most commonly used measure for flexo printing plates is the Shore A scale. Send two versions of the artwork. Revise the preparation and mounting procedure. var psDistortoPercentuale=0; Individual firms tried using new names for the process, such as "Lustro Printing" and "Transglo Printing", but met with limited success.

No.8 Jingke Rd., Nantun Dist., Taichung 408, Taiwan. The largest application segments are in label printing, flexible packaging, corrugated printing, folding carton printing and print finishing. This led to the process being called "aniline printing". Flexo printing is widely used in the converting industry for printing plastic materials for packaging and other end uses. The most commonly used measure for flexo printing plates is the Shore A scale. 1.4. the flexographic printing plates usually have a thickness of 1.14 or 1.70mm. break; ), Clemson Universitys Graphic Communications program. } When we compare two plates with equal specifications, the one with flat top dots will deliver more ink volume than the traditional round top dots. Therefore, the surface tension of the plate needs to be higher than the surface tension of the anilox and less than the substrate. The first method of plate development uses light-sensitive polymer. This Privacy Statement describes how your personal information is collected, used, shared and safeguarded by us. Each print sleeve is transferred to the mounting system in turn. ), Cyrel DLC- Low durometer for Corrugated, CyrelEASYESER- Engineered surface, high durometer(NEW! About us Jobs Contact. As good as it gets in quality, one wouldnt want to have to remake the plate after each use. Color: Print in darkest color over a white background for maximum contrast (avoid red colors). When these signs appear, it is necessary to replace the entire set of plates in order to ensure high-quality printing. console.log('Spessori selezionati. You want to not only use environmentally friendly materials like recyclable substrates and low-VOC inks, About us |Contact Us |Contribute to Flexopedia |Imprint |Privacy Policy. The anilox roll has finely engraved cells with a particular ink capacity, viewable with a microscope. The recycled water is re-used without adding any detergent.[4]. Tight Weave provides substantially greater coverage Web1990 Cooper 800 MK 1/2 flexo press. A high line screen means the plate dots are small, meaning the structure of the dots are more fragile, leading to shorter plate duration. If cutting along the user contour is required, it must be provided additionally. Excellent for solid and fine line reproduction work. 5.50 mm. ). In this article, we are going to look into the different metrics that you should consider when seeking and designing a flexo plate for your production. Process Color: Glenroy will use a customer signed off contract proof as a guide for printing. ), (When using the minimum trap size or holding line of 1pt., the chance of mis-registration is greater. WebSince flexographic plates print only even layers of ink in the image areas, continuous-tone art must be converted to another form to be printed. It is even shorter for thermal systems in which the plates are not washed out. CyrelCoating&VarnishPlates are developed to provide a solution for printers and converters using varnishing and special effect ink and coatings applications. You may contact us to correct or update your personal data. 2. We do not suggest printing screens, fine type, or small details with white ink.

4.30 mm var spPoliestere=0.188; //base poliestere 1.14 di Asahi We also uses third party advertising companies to serve ads when you visit this Web site. By continuing to browse the site you are agreeing to our use of cookies. Print cylinder diameter = 91.74 mm, plate thickness = 1.7 mm, mount tape = 0.2 mm. For the Futurama character, see. Generally plates are mounted directly onto the print sleeve but for corrugated operations, plates are mounted onto a carrier sheet that is fixed to the print sleeve in the press when required, it is removed and kept in storage between print runs. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. Select the thickness of the digital plate you want to realize. calcolaFattoreK();

Doctor blades had predominantly been made of steel, but advanced doctor blades are now made of polymer materials with several different types of beveled edges. Never place objects on top of plates, fold/crease plates or expose plates to unknown chemicals. WebThe printing diameter is: 8.000divided by Pi (3.14159) = 2.5465 The soft part of the plate is: 0.062 thick (0.067" minus the usual 0.005 thick backing). console.log("Unita di misura seleziona: " + unitaMisura); Flexo plate mounting equipment includes many options to increase efficiency. WebThe special chemistry and thickness (1.5 mm) of our PU foam layer ensures consistent compressibility, eliminating the need for on-press machine adjustments. Most flexo digital plates are exposed on a flat surface.Theyd print an exact copy of the negative if it was not for the fact they have to be wrapped around a cylinder for flexo printing. One of the problems inherent in the use of flexible plates that are exposed flat, and then wrapped around a If you have a family of packages it is best to have us working on all of them together. The photopolymer thickness is to be specified when placing an order. Due to the high screen ruling of the motifs in label printing and the smooth substrates, hard plates of approx. Both solvent and aqueous plate making use liquid to wash away the unexposed photopolymer in the plates non-printing areas. Experts for Flexo cushion backing foam Innova Flexo jQuery("#inptPs").on('input', function(e){ Type is best created in vector format and printing in a single color. It is also possible for you to design a group of jobs to utilize some common plates between them. We are not responsible for the privacy practices of non-our web sites linked to this site. Lower Cost Reduces waste-treatment and disposal costs thanks to the solvent-free process Smaller Footprint Smallest environmental footprint available today with more than 98% of emissions captured with Cyrel 2000 TD units. WebThere are many different plate materials and thicknesses used in modern flexo printing. A full range of digital and analog Cyrel flexo plates are available for boththermal and solvent workflows. Foam (1) Polyethylene Foam (1) Adhesive Type. Special machinery is made for mounting these plates on the printing cylinders to maintain registration. WebThickness (mm) 7.00. // al boot della pagina imposto i valori di default sugli input in pagina Relief depth is the difference in height between the printing surface and the floor of the WebMaterial: Nylon Resin Usage: Flexo Printing Type: Flexo Plate Style: Positive Color: Light Yellow Thickness: 2,28mm You immediately get the This will allow for a higher ink density print that affects quality directly. This websites use cookies. The product has a unique selling point on the market thanks to its unique surface. Are you going for the best possible image quality possible?

For simplicity we'll refer to print sleeves throughout this module but you can substitute cylinders if these are used in your operation. Esko Packedge, 2.11. ), Cyrel EASY EFER- Engineered surface, high durometer (NEW!). Industries < All; Automotive. A high line screen means the gap between dots are small, meaning there are less area for the ink to flow through, leading to more ink blockage issues at the plate. refreshFattoreK(); 0.3mm. WebA double sided foam tape that is used to mount flexographic plates to plate cylinders and produce high-quality prints. Positive type can overprint process areas if there is sufficient contrast (ex. Converting a custom color to CMYK may result in a less than optimal color. There are five types of inks that can be used in flexography:[8]. Plates should only be stacked flat when foam or parchment paper is placed between them to prevent direct contact. voltage. Multiplying 0.062" x 2gives us 0.124" Using these values, since: [print diameter ( 2 x soft thickness )] / We uses SSL encryption to protect the collection and transfer of sensitive information. What is created on the computer with a two-color vignette, one color fading into another, may be best reproduced in print with a vignette screen of one color over a solid of the other. in size line thickness .008 in. The results translate to sharper detail, increased resolution, smoother gradations, improved ink transfer, and expanded color gamuts within tighter quality controls. Companies such as AV Flexologic, Glunz & Jensen, Xeikon, Esko, Kodak, Polymount, Screen and SPGPrints from The Netherlands are market leaders in manufacturing this type of equipment. Changes and additional proofing will incur more costs. If you need help getting a die line drawing into a usable file for placing art into, we can help facilitate that. 36-43. Our prepress/plate supplier can achieve some efficiencies when working with a group of related designs. Flat top dots 3. Language links are at the top of the page across from the title. Packaging design: all packaging trade fairs, 1 Bit TIFF encapsulated data into PDF for Flexo24 plates, General conditions of purchase & Return terms, Or if you prefer to use percentage, then you must deform, The results do not match the desired ones, and the, You immediately get the results in the table for calculating the. These simple machines make quick work of dirty plates, producing consistent cleaning results with minimal laborstreamlining the postpress workflow and making the most of valuable employee time. If this is unavoidable, then outline the type or line with a minimum .0139 inch [.353mm] (1 pt.) With this the environmental burdening is kept to an absolute minimum. } The marks should be positioned symmetrically. 4. Type printed directly with white ink will get bolder in appearance and should be at least 7pt. Measuring the physical properties of inks and understanding how these are affected by the choice of ingredients is a large part of ink technology. Copyright 2023 Flexographic Technical Association All rights reserved. Differential Acrylate (1) Overall Width (Metric) 1372 mm (1) 457 mm (1) Backing Thickness (metric) 0.432 mm (1) Product Colour. Plate exposure units contain two types of UV bulbs: UVA bulbs (for back, main and post exposures), and UVC bulbs (for light finishing). Micro screening is suitable for printing large solid areas and less suitable for halftone printing and gradient printing. WebPlate thickness: 0.7-1.7 (mm) Resolution: 4000dpi Transport package: Plywood Box Specification: 1630x1170x965 (mm) Hs code: 844230 Production capacity: 2000sets/Year Category: Packaging Machinery in China Subcategory: Plate machine Subcategory 2: Pre-press equipment Subcategory 3: Packaging & printing Listing ID: 81806085 Description Web3M Flexographic Solutions Explore all Flexographic Plate Mounting Tapes All these flexographic plate mounting tapes offer strong edge hold to prevent lifting and are Apply the reduction to the graphics of your file using graphic softwares.. Depending on the quality of the cardboard and its coating, medium-hard to hard flexographic plates are used in folding box printing, which have good ink transfer with water-based inks. with 4000 dpi engraving resolution: 99, 112, 124, 136, 149, 161, 174, 198, 223, 236, 248 lines per inch. One ongoing improvement has been the increasing ability to reproduce highlight tonal values, thereby providing a workaround for the very high dot gain associated with flexographic printing. Flexographic inks, like those used in gravure and unlike those used in lithography, generally have a low viscosity. Manufactured plate break- When flat flexographic plates are wrapped around the print cylinder, there is a naturally occurring plate break where the two ends join together. The cameras provide an enlarged visual display indicating whether or not the register marks are correctly positioned in line with crosshair targets.
psDistortoInMM = (psNonDistortoInMM - Kfattore).toFixed(decimali); unitaMisura=jQuery('input[name="slUm"]:checked').val(); For other flexo plate making processes such as thermal or water washed, it is understandable that its duration will be affected by heat and water. During washout, the unexposed parts are removed and the relief, which was previously only latent, is exposed. Guaranteed reproduction of printed elements corresponds to the technical characteristics of the photopolymer plate manufacturers presented in the Referral information section. We are an ideal fit for anyone with ISO 9001 or G-7 standards. 1. However, in the 1940s, the Food and Drug Administration classified aniline dyes as unsuitable for food packaging. it's a Free supporting parts when customer buy the machine 3.94 mm jQuery("#slSpCli").change(function(){ Postal ballots from readers of The Mosstyper overwhelmingly chose the last of these, and "flexographic process" was chosen.[1]. 2.1. Consistent thickness and caliper control. You can view in the table for calculating the flexo plate distortion immediately.Apply the reduction to the graphics of your file using graphic programs as Esko Artpro, 1.70. Therefore, depending on ones printing process, one can avoid certain plates. 2.54 mm They are not accurate for color. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. These inks have powder additives that need to be suspended in the ink. 1.95mm. Distortion (plate shortening) should be done in the printing direction on the layout. We encourage you to read the privacy statements of these other web sites when you leave our Web site. 1.14. While there is a bit of flexibility in specifications for different processes, there are defined parameters that must be followed if high-quality plates are to be made consistently. Need to include these: E-mailed attachments (GraphicsMail@glenroy.com) We recommend compressing the files prior to sending and including an Adobe Acrobat PDF for reference. WebPlateCrafters specializes in high end digital photopolymer flexo plates. Possible screen ruling for Computer-to-plate output with offset angles: with 2540 dpi engraving resolution: 52, 60, 67, 76, 82, 90, 97, 112, 119, 126, 134, 138, 149, 156, 163, 171, 179, 189, 199, 211 lines per inch; with 4000 dpi engraving resolution: 105, 119, 129, 141, 152, 176, 188, 199, 211, 217, 235, 245 lines per inch. TECHNICAL CHARACTERISTICS OF PHOTOPOLYMER PRINTING PLATES. This can lead to problems on press, including poor registration, over-impression and decreased plate life. Roll-length:25 Yd (22.86m) Dual liner construction. 1. Visit our Youtube channel for more useful videos. Adheso thin tapes are also suitable for use in plate build-up or press-low spot correction. Companies like DuPont, Kodak, XSYS, and Esko have pioneered the latest technologies, with advances in fast washout and the latest screening technology. The Buyer specifies the exact plate dimensions (including the required sidelines for mounting). Note that the negative film contains The ink system contains an ink pump, anilox roll and either a fountain roll system or doctor blade system. WebThe thickness of the liquid photopolymer can also be varied at will, as opposed to having to rely on a standard set of sheet thicknesses. If there are changes needed that require editing or repositioning the text, it will be faster and easier to use the live text. }); Corel Draw, With todays technology, imaging a flexo plate with a 180LPI is achievable it enables you to produce high-definition prints with great quality in the highlighted image areas.

However, the plate cost for laser engraved plates is also much higher. Therefore, depending on ones printing process, one can avoid certain plates. These proofs are meant for viewing copy, color breaks, sizing, and positioning. suitable for water-based ink, incompatible with oil-based ink. WebThickness Gauge JD-200-25 Measuring range 0 25 mm / 0 1 inch Resolution 0.01 mm / 0.001 inch Self-closing thickness gauge with high accuracy and resolution Thickness gauge JD-200-25 features an easy to read digital display along with the high accuracy The thickness gauge is available with 5 different feelers, which can be found below } } UV power. refreshPassoDeformato(); Measuring range 0 25 mm / 0 1 inch; Resolution 0.01 mm / 0.001 inch; Self-closing thickness gauge with high accuracy and resolution; Thickness }); //end jquery document ready Allows for flat or cylinder first plate mounting. The mounting process needs to deliver the same accurate result each time a job is mounted, consistent accuracy is the target. Wide or narrow web plate mount tape. Since thermal processors utilize a one-time-use wicking media to remove the uncured photopolymer, there is no polymer saturation to monitoronly the amount of wicking media remaining in the machine. Besides these thin plates, conventional plate thicknesses of 2.54 and 2.84mm are also used. WebThe plate is coated with light sensitive polymer, which varies in depth dependant on the thickness of the plate required. White type should only overprint lighter colors because the white ink is not fully opaque. ), 1%-95% (1% will gain up to 10% when printed; carry a 1% minimum dot to avoid hard breakoffs). These are various types of mark used for aligning the plates correctly: Registration crosses are commonly used but need to be positioned in waste areas as they are easily seen on the print, they can also be used as a guide for aligning the print to a bag or box structure if this is required. Perfection in print REGISTER for first-rate print quality Highest quality standards in our production process ensure that your exact sleeve thickness requirements are met. Impression cylinder Cyrel solvent-processable flexo plates are designed to provide the optimum balance of quality and productivity. }); (See Figure 5.12). WebChoose the unit of measurement. jQuery(document).ready(function(){ For file requirements, please see the Referral Information. These companies may use information about your visits to this and other Web sites in order to provide advertisements on this site and other sites about goods and services of interest. 1.3. The most common form of mounting is register mark - also known as video mounting. There are two key areas to achieve effective plate mounting, positioning the plate correctly and achieving a good bond. Flexo has an advantage over lithography in that it can use a wider range of inks, water based rather than oil based inks, and is good at printing on a variety of different materials like plastic, foil, acetate film, brown paper, and other materials used in packaging. WebBenefits: Excellent initial repositionability for quick precise registration. Use a file transfer website like WeTransfer, ShareFile, Hightail, or Dropbox. If the Buyer needs to make an Order based on a photopolymer plate of a certain type, it must be specified in the Order Notes. jQuery('#psRisultanteinPC').html(msgCalcoloInvalido);

The water-based ink smeared easily, leading the device to be known as "Bibby's Folly". Check tape thickness. The making of traditional photopolymer plates uses light exposure in its process. Their flexo plate thickness is usually between 3.94 and 6.35mm. Kfattore = (2 * piGreco * (spCliches - spPoliestere)).toFixed(decimali); 37-39.