{"id":25502,"date":"2026-10-27T14:09:05","date_gmt":"2026-10-27T06:09:05","guid":{"rendered":"https:\/\/www.sanait.com\/?p=25502"},"modified":"2026-10-27T14:09:10","modified_gmt":"2026-10-27T06:09:10","slug":"clear-plastics-compared","status":"publish","type":"post","link":"https:\/\/www.sanait.com\/es\/clear-plastics-compared\/","title":{"rendered":"Comparativa de pl\u00e1sticos transparentes: acr\u00edlico, PC, PETG y PVC"},"content":{"rendered":"\n<style>\n\/* Sanait Guide \u2014 Clear Plastics Compared\n   Scope all rules under .sa-guide so the block does not fight the WP theme. *\/\n.sa-guide {\n  --sa-ink: #1c2430;\n  --sa-muted: #5b6573;\n  --sa-line: #d9dee6;\n  --sa-paper: #f6f4ef;\n  --sa-card: #ffffff;\n  --sa-accent: #1f5f5b;\n  --sa-accent-soft: #e6f1f0;\n  --sa-warn: #8a5a12;\n  --sa-warn-soft: #f7eedf;\n  --sa-max: 760px;\n  color: var(--sa-ink);\n  font-family: Georgia, \"Times New Roman\", Times, serif;\n  font-size: 18px;\n  line-height: 1.65;\n  letter-spacing: 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class=\"sa-chip\">Material guide<\/span>\n      <span>Clear plastics<\/span>\n    <\/p>\n\n    <p class=\"sa-meta\">By David Deng \u00b7 R&#038;D manager, Sanait \u00b7 Updated October 2026<\/p>\n\n    <p class=\"sa-lede\">Acrylic, polycarbonate, PETG, and PVC are not interchangeable clear sheets. Acrylic is the usual brand-facing display plastic. Polycarbonate is the usual impact plastic. PETG sits between them on toughness and forming. PVC is rarely the clear face of a premium fixture. The name on the email is not a specification.<\/p>\n\n    <aside class=\"sa-takeaway\" aria-label=\"Key takeaways\">\n      <h2>Key takeaways<\/h2>\n      <ul>\n        <li>For a polished retail cube, tray, or riser, start with acrylic (PMMA).<\/li>\n        <li>For a part that may be struck, start with polycarbonate (PC).<\/li>\n        <li>PETG is a practical middle sheet for formed guards and some fixtures: clearer forming behavior than many PC jobs, tougher than acrylic, less glassy.<\/li>\n        <li>Rigid PVC can be clear. It is a different brief \u2014 print, chemical, and cost \u2014 not a substitute for a polished acrylic face.<\/li>\n        <li>Do not publish light-transmission or impact multiples without a grade and a test method.<\/li>\n        <li>Food contact, outdoor life, and cleaners are grade-and-market questions for all four.<\/li>\n      <\/ul>\n    <\/aside>\n\n    <nav class=\"sa-toc\" aria-label=\"On this page\">\n      <h2>On this page<\/h2>\n      <ol>\n        <li><a href=\"#answer\">The short answer<\/a><\/li>\n        <li><a href=\"#four\">What each one is for<\/a><\/li>\n        <li><a href=\"#compare\">Side-by-side<\/a><\/li>\n        <li><a href=\"#choose\">Which sheet for which job<\/a><\/li>\n        <li><a href=\"#not\">What a clear photo hides<\/a><\/li>\n        <li><a href=\"#specify\">What to write on the RFQ<\/a><\/li>\n        <li><a href=\"#faq\">FAQ<\/a><\/li>\n        <li><a href=\"#sources\">Sources<\/a><\/li>\n      <\/ol>\n    <\/nav>\n\n    <h2 id=\"answer\">The short answer<\/h2>\n\n    <div class=\"sa-def\">\n      <p><strong>Decision rule.<\/strong> Looked-at display: acrylic. Struck part: polycarbonate. Formed guard or a tougher clear fixture where acrylic\u2019s crack risk is the complaint: consider PETG. Printed panel or a cost clear that is not the hero face: rigid PVC may be in the conversation. Do not swap them on a photo.<\/p>\n    <\/div>\n\n    <h2 id=\"four\">What each one is for<\/h2>\n\n    <p><strong>Acrylic (PMMA)<\/strong> is the display sheet. Cast or extruded, cut, polished, often solvent-bonded. Buyers choose it because the face looks glassy and the edge can be finished. It marks less readily than uncoated PC. It can chip or crack. ISO 7823 covers PMMA sheet.<\/p>\n\n    <p><strong>Polycarbonate (PC)<\/strong> is the impact sheet. Guards, covers, panels that may be hit. The uncoated face scratches sooner. Outdoor grades and hard coats are separate specifications. ISO 11963 covers PC sheet.<\/p>\n\n    <p><strong>PETG<\/strong> is a glycol-modified polyester sheet used when a clearer-than-basic formed part, or a tougher-than-acrylic fixture, is the brief. It thermoforms readily. It is generally less optically \u201cglass-like\u201d than a good acrylic face, and it is not the default for a diamond-polished cube. Food-contact and cleaner questions still need the grade.<\/p>\n\n    <p><strong>PVC<\/strong> here means rigid clear PVC sheet, not foam board and not flexible film. It can be clear enough for a printed panel or a simple cover. It is not the usual material for a polished cosmetic cube. Plasticizers, clarity, and regulatory status vary by grade \u2014 the word PVC does not settle them.<\/p>\n\n    <h2 id=\"compare\">Side-by-side<\/h2>\n\n    <p>Directional. Grade, thickness, a coating, and the process move every cell. Not a lab report.<\/p>\n\n    <div class=\"sa-table-wrap\">\n      <table>\n        <caption>Four clear plastics for fixtures \u2014 what the job usually is<\/caption>\n        <thead>\n          <tr>\n            <th scope=\"col\"><\/th>\n            <th scope=\"col\">Acrylic<\/th>\n            <th scope=\"col\">Polycarbonate<\/th>\n            <th scope=\"col\">PETG<\/th>\n            <th scope=\"col\">Rigid PVC<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <th scope=\"row\">Usual job<\/th>\n            <td>Brand-facing box, tray, riser, sign face<\/td>\n            <td>Guard, cover, impact panel<\/td>\n            <td>Formed guard, tougher clear fixture<\/td>\n            <td>Printed panel, simple cover, cost clear<\/td>\n          <\/tr>\n          <tr>\n            <th scope=\"row\">Look<\/th>\n            <td>Crispest of the four in display grades<\/td>\n            <td>Clear; often slightly less sharp<\/td>\n            <td>Clear; less glassy than acrylic<\/td>\n            <td>Can be clear; rarely the premium face<\/td>\n          <\/tr>\n          <tr>\n            <th scope=\"row\">Surface marks<\/th>\n            <td>Harder face among uncoated sheets<\/td>\n            <td>Softer unless coated<\/td>\n            <td>Marks; between the other two in practice<\/td>\n            <td>Depends on grade; not a polished-cube surface<\/td>\n          <\/tr>\n          <tr>\n            <th scope=\"row\">Impact<\/th>\n            <td>Can chip or crack<\/td>\n            <td>Most forgiving of the four<\/td>\n            <td>Tougher than acrylic; not a PC guard by default<\/td>\n            <td>Not chosen for impact<\/td>\n          <\/tr>\n          <tr>\n            <th scope=\"row\">Fabrication habit<\/th>\n            <td>Cut, polish, solvent bond, bend<\/td>\n            <td>Different bond and edge practice<\/td>\n            <td>Thermoform and cut; polish is not the acrylic result<\/td>\n            <td>Cut, print; not a display-cube process<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p>Leave light-transmission percentages and \u201ctimes stronger\u201d claims off the purchase order unless the grade and the method are named. A clear sample under office light is not that data.<\/p>\n\n    <h2 id=\"choose\">Which sheet for which job<\/h2>\n\n    <div class=\"sa-grid sa-grid-2\">\n      <div class=\"sa-card\">\n        <h3>Cosmetic cube, jewelry tray<\/h3>\n        <p>Acrylic. The face and the polished edge are the product. PETG or PVC will read as a different object.<\/p>\n      <\/div>\n      <div class=\"sa-card\">\n        <h3>Machine guard or barrier<\/h3>\n        <p>Polycarbonate, unless a standard names something else. Clarity is secondary.<\/p>\n      <\/div>\n      <div class=\"sa-card\">\n        <h3>Formed sneeze guard or bin cover<\/h3>\n        <p>PETG is often the practical sheet: forms cleanly, tougher than acrylic. Confirm cleaner and any food rule before you lock it.<\/p>\n      <\/div>\n      <div class=\"sa-card\">\n        <h3>Graphic panel, short-run clear<\/h3>\n        <p>Rigid PVC can be the cost answer when the panel is printed and not handled as a jewel face. Say so, so it is not priced as acrylic.<\/p>\n      <\/div>\n    <\/div>\n\n    <p>Acrylic jobs in the first card are the usual retail set: <a href=\"https:\/\/www.sanait.com\/custom-acrylic-boxes\/\">boxes<\/a>, <a href=\"https:\/\/www.sanait.com\/custom-acrylic-trays\/\">trays<\/a>, and <a href=\"https:\/\/www.sanait.com\/\">display stands<\/a>.<\/p>\n\n    <h2 id=\"not\">What a clear photo hides<\/h2>\n\n    <ul>\n      <li>Cast versus extruded acrylic. Both can be called \u201cclear acrylic.\u201d Only one is the usual polished-box sheet.<\/li>\n      <li>A hard coat on PC. Uncoated and coated polycarbonate are different products.<\/li>\n      <li>Food contact. A clear tray is not food-contact approved because it is clear. Grade and market decide.<\/li>\n      <li>Outdoor life. UV behavior is a grade question for all four, not a property of \u201cclear plastic.\u201d<\/li>\n      <li>Cleaners. Alcohol can craze stressed acrylic. Some cleaners haze PC or PETG. PVC has its own list. Name the wipe.<\/li>\n    <\/ul>\n\n    <h2 id=\"specify\">What to write on the RFQ<\/h2>\n\n    <ol>\n      <li>The polymer: PMMA, PC, PETG, or rigid PVC \u2014 not \u201cclear plastic.\u201d<\/li>\n      <li>The job: looked-at face, formed guard, impact cover, or printed panel.<\/li>\n      <li>Thickness, tint, and whether an edge will be polished.<\/li>\n      <li>Indoor or outdoor, and the cleaner if the face is wiped.<\/li>\n      <li>Food contact or not, and the market, if relevant.<\/li>\n    <\/ol>\n\n    <p>Sanait fabricates acrylic displays, boxes, and trays. A brief for PETG, PC, or PVC should be named in the first email so the plant can confirm scope or decline. Intake is on the <a href=\"https:\/\/www.sanait.com\/faq\/\">FAQ<\/a>. What the plant builds is on the <a href=\"https:\/\/www.sanait.com\/about-us\/\">about page<\/a>.<\/p>\n\n    <h2 id=\"faq\">FAQ<\/h2>\n\n    <div class=\"sa-faq\">\n      <div class=\"sa-faq-item\">\n        <h3 class=\"sa-faq-q\">Which clear plastic looks most like glass?<\/h3>\n        <p class=\"sa-faq-a\">Acrylic, in ordinary display grades. PC and PETG are clear and usually less crisp. Rigid PVC is rarely specified for that look.<\/p>\n      <\/div>\n      <div class=\"sa-faq-item\">\n        <h3 class=\"sa-faq-q\">Which is toughest?<\/h3>\n        <p class=\"sa-faq-a\">Polycarbonate, as a direction, for impact. PETG is generally tougher than acrylic and is not a default substitute for a PC guard. Do not publish a multiple without grade and method.<\/p>\n      <\/div>\n      <div class=\"sa-faq-item\">\n        <h3 class=\"sa-faq-q\">Can I use PETG instead of acrylic for a display box?<\/h3>\n        <p class=\"sa-faq-a\">You can make a clear box. You should not expect the same polished edge or the same glassy face. If those are the reason for the box, stay with acrylic.<\/p>\n      <\/div>\n      <div class=\"sa-faq-item\">\n        <h3 class=\"sa-faq-q\">Is PVC a cheaper acrylic?<\/h3>\n        <p class=\"sa-faq-a\">No. It is a different polymer with a different look and a different process. A lower price is a different part, not a discount on PMMA.<\/p>\n      <\/div>\n      <div class=\"sa-faq-item\">\n        <h3 class=\"sa-faq-q\">Are any of them food safe by default?<\/h3>\n        <p class=\"sa-faq-a\">No. Food contact depends on the grade and the destination rule. Clear is not an approval.<\/p>\n      <\/div>\n      <div class=\"sa-faq-item\">\n        <h3 class=\"sa-faq-q\">What should the drawing say?<\/h3>\n        <p class=\"sa-faq-a\">The polymer, the thickness, the finish, and the job. \u201cClear plastic\u201d is how four different quotes come back for four different parts.<\/p>\n      <\/div>\n    <\/div>\n\n    <div class=\"sa-author\" id=\"author\">\n      <h2>About the author<\/h2>\n      <p class=\"sa-author-name\">David Deng<\/p>\n      <p class=\"sa-author-role\">R&#038;D manager at Sanait. 10+ years in acrylic fabrication; 2,000+ custom acrylic projects shipped across 20+ countries.<\/p>\n      <p>Sanait Co., Ltd. builds custom acrylic displays in Dongguan. This comparison is general. Commercial terms are on the <a href=\"https:\/\/www.sanait.com\/faq\/\">FAQ<\/a>. Plant scope is on the <a href=\"https:\/\/www.sanait.com\/about-us\/\">about page<\/a>.<\/p>\n    <\/div>\n\n    <div class=\"sa-related\">\n      <h2>Factory pages<\/h2>\n      <ul>\n        <li><a href=\"https:\/\/www.sanait.com\/faq\/\">Custom acrylic FAQ<\/a><\/li>\n        <li><a href=\"https:\/\/www.sanait.com\/about-us\/\">About Sanait<\/a><\/li>\n        <li><a href=\"https:\/\/www.sanait.com\/custom-acrylic-boxes\/\">Custom acrylic boxes<\/a><\/li>\n        <li><a href=\"https:\/\/www.sanait.com\/custom-acrylic-trays\/\">Custom acrylic trays<\/a><\/li>\n        <li><a href=\"https:\/\/www.sanait.com\/\">Custom display stands<\/a><\/li>\n      <\/ul>\n    <\/div>\n\n    <section class=\"sa-src\" id=\"sources\">\n      <h2>Sources<\/h2>\n      <p>The comparison is directional. Standards below cover acrylic and polycarbonate sheet. PETG and PVC grades are identified by the supplier\u2019s own documentation, not by the polymer nickname.<\/p>\n      <ol class=\"sa-src-list\">\n        <li>ISO 7823-1:2003, <em>Plastics \u2014 Poly(methyl methacrylate) sheets \u2014 Part 1: Cast sheets<\/em>. <a href=\"https:\/\/www.iso.org\/standard\/33450.html\" rel=\"nofollow noopener\" target=\"_blank\">iso.org<\/a><\/li>\n        <li>ISO 7823-2:2003, <em>Plastics \u2014 Poly(methyl methacrylate) sheets \u2014 Part 2: Extruded sheets<\/em>. <a href=\"https:\/\/www.iso.org\/standard\/33451.html\" rel=\"nofollow noopener\" target=\"_blank\">iso.org<\/a><\/li>\n        <li>ISO 11963:2019, <em>Plastics \u2014 Polycarbonate sheets \u2014 Types, dimensions and characteristics<\/em>. <a href=\"https:\/\/www.iso.org\/standard\/75510.html\" rel=\"nofollow noopener\" target=\"_blank\">iso.org<\/a><\/li>\n        <li>\u201cPoly(methyl methacrylate).\u201d <em>Wikipedia<\/em>. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Poly(methyl_methacrylate)\" rel=\"nofollow noopener\" target=\"_blank\">en.wikipedia.org<\/a><\/li>\n        <li>\u201cPolycarbonate.\u201d <em>Wikipedia<\/em>. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polycarbonate\" rel=\"nofollow noopener\" target=\"_blank\">en.wikipedia.org<\/a><\/li>\n        <li>\u201cPolyethylene terephthalate.\u201d <em>Wikipedia<\/em> (PET \/ copolyester family context). <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyethylene_terephthalate\" rel=\"nofollow noopener\" target=\"_blank\">en.wikipedia.org<\/a><\/li>\n      <\/ol>\n    <\/section>\n\n  <\/div>\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Article\",\n      \"headline\": \"Clear Plastics Compared: Acrylic, PC, PETG, and PVC\",\n      \"description\": \"Acrylic for looked-at displays, polycarbonate for impact, PETG for formed guards, rigid PVC for printed panels. 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PC and PETG are clear and usually less crisp.\"}\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is PVC a cheaper acrylic?\",\n          \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is a different polymer. A lower price is a different part, not a discount on PMMA.\"}\n        }\n      ]\n    }\n  ]\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Material guide Clear plastics By David Deng \u00b7 R&#038;D manager, Sanait \u00b7 Updated October 2026 Acrylic, polycarbonate, PETG, and PVC are not interchangeable clear sheets. Acrylic is the usual brand-facing display plastic. Polycarbonate is the usual impact plastic. PETG sits between them on toughness and forming. PVC is rarely the clear face of a premium [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-25502","post","type-post","status-publish","format-standard","hentry","category-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Acrylic, PC, PETG or PVC? A Clear Plastics Guide<\/title>\n<meta name=\"description\" content=\"Acrylic for displays you look at, polycarbonate for impact, PETG for formed guards, rigid PVC for printed panels. 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