{"product_id":"cpetsrf","title":"PET\/Silicone-Based Release Film for Fabricating Self-Standing Coating Film, CPETSRF","description":"\u003cp\u003eIn high-tech manufacturing—specifically for advanced battery components, printed electronics, and multilayer ceramic capacitors (MLCC)—PET Release Film serves as an indispensable transient carrier. Its role is to support a wet functional slurry during precision slot-die or roll-to-roll coating, withstand the subsequent thermal drying zones, and then cleanly peel away without altering or contaminating the newly formed functional microstructure.\u003c\/p\u003e\n\u003cp\u003eUnlike standard release liners used for basic label or tape applications, a PET release film engineered as a coating substrate faces harsh thermal and tensile stresses. (1) \u003cstrong\u003eThermal Dimension Stability\u003c\/strong\u003e: When coating functional slurries (e.g., solid-state electrolyte precursors), the web passes through long convection drying ovens often ranging from 100°C to 150°C. Standard PET will shrink, causing the wet coating to wrinkle, crack, or delaminate. High-end lines require Biaxially-Oriented PET (BOPET) that has undergone thermal heat-setting, limiting thermal shrinkage to \u0026lt;0.5% at $150°C for 30 minutes. (2) \u003cstrong\u003eThickness Uniformity (Gauge Band Control)\u003c\/strong\u003e: If the base PET film has variations in thickness across its width, the gap between the slot-die lip and the film will fluctuate. For an ultra-thin coating (e.g., a 5 um separator or electrolyte layer), a variation of just \u003cspan\u003e±\u003c\/span\u003e1 um in the PET film can cause catastrophic defects in the coated layer's dry thickness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSilicone-Based Release Films (The Standard)\u003c\/strong\u003e: Coated with highly crosslinked polydimethylsiloxane (PDMS) networks, typically cured via platinum-catalyzed thermal addition or UV radiation. Silicone migration is the most critical threat in advanced battery or electronics labs. If the silicone layer is not 100% fully cured, unreacted silicone monomers\/oligomers will migrate into your coated slurry. In lithium-ion or solid-state batteries, this microscopic silicone contamination acts as an electrochemical insulator, causing localized high resistance, poor wetting of the liquid electrolyte, and premature cell failure. Ensure the film specifies a Subsequent Adhesion Strength (SAS) \/ Residual Adhesion Rate of \u0026gt;95%, proving that negligible free silicone is transferring off the film.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Silicone Release Films (The Advanced Solution)\u003c\/strong\u003e: For applications strictly intolerant to silicone contamination (such as battery极片 protection, dry-electrode processing, or specific fuel cell components), Non-Silicone PET Release Films are mandatory. These utilize fluoropolymers (Fluorosilicone or pure fluoro-coatings), acrylics, or specialized alkyd resins. Fluorinated release films are especially required if the slurry you are coating contains highly aggressive organic solvents (like NMP) or pressure-sensitive silicone adhesives, as standard silicone-on-silicone interfaces will lock up and fail to release.\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"height: 223px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eCPETSRF (C-PETSRF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003eComposite\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eTransparent PET with silicone coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 127.8px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 127.8px;\"\u003e\u003cem\u003eFilm Sizes\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 127.8px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-Side Release: T19 um * W150 mm * L200 m\u003c\/li\u003e\n\u003cli\u003eSingle-Side Release: T19 um * W200 mm * L200 m\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSingle-Side Release: T25 um * W150 mm * L200 m\u003c\/li\u003e\n\u003cli\u003eSingle-Side Release: T25 um * W200 mm * L200 m\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDouble-Side Release: T38 um * W200 mm * L200 m\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDouble-Side Release: T50 um * W150 mm * L200 m\u003c\/li\u003e\n\u003cli\u003eDouble-Side Release: T50 um * W200 mm * L200 m\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e     \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e  Other customized sizes can be supplied upon request. \u003c\/span\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e:\u003c\/p\u003e\n\u003col class=\"cus-ref-zone__list\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S030094400700152X\"\u003eY. Zou, et al., The study of PET recyclable polymers as paper coatings, Progress in Organic Coatings, 2007, 60, 127-131\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0169433226010809\"\u003eY. Li, et al., Flexible non-adhesive PDMS\/PET release film for reducing separation force in bottom-up vat photopolymerization 3D-printing, Applied Surface Science, 2026, 737, 166876\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"LWJ","offers":[{"title":"Single-Side Release: T19 um * W150 mm * L200 m","offer_id":47767659839718,"sku":"CPETSRFSST19W150","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Single-Side Release: T19 um * W200 mm * L200 m","offer_id":47767659872486,"sku":"CPETSRFSST19W200","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Single-Side Release: T25 um * W150 mm * L200 m","offer_id":47767659905254,"sku":"CPETSRFSST25W150","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Single-Side Release: T25 um * W200 mm * L200 m","offer_id":47767659938022,"sku":"CPETSRFSST25W200","price":59.0,"currency_code":"USD","in_stock":true},{"title":"Double-Side Release: T38 um * W200 mm * L200 m","offer_id":47767659970790,"sku":"CPETSRFDST38W200","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Double-Side Release: T50 um * W150 mm * L200 m","offer_id":47767660003558,"sku":"CPETSRFDST50W150","price":79.0,"currency_code":"USD","in_stock":true},{"title":"Double-Side Release: T50 um * W200 mm * L200 m","offer_id":47767660036326,"sku":"CPETSRFDST50W200","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CPETSRF_main.jpg?v=1781470406","url":"https:\/\/echemsupplies.com\/products\/cpetsrf","provider":"EChem Supplies","version":"1.0","type":"link"}