Polyester Release Film — High-Tensile PET Film Liner
Polyester release film is PET release film under its full chemistry name — polyethylene terephthalate. Same film, same 25-100μm range, same silicone coating line.
Polyester or PET — Which Name, Which Page?
Same factory, same line — different search terms.
Polyester = full chemistry name
Polyethylene terephthalate spelled out — common in engineering drawings and North-American trade documents.
PET = the everyday term
The abbreviation most buyers use in conversation and European sourcing — see the PET release film page for the full product treatment.
Identical specifications
Same 25-100μm range, same 3-80 g/25mm (±3g) release window, same coating line — the word you search does not change the product.
Specification Table
Key ranges — full specs on request.
| Thickness | 25-100 μm |
|---|---|
| Release force | 3-80 g/25mm (±3g) |
| Width | Custom slitting |
| Coating | Silicone, single/double sided |
| Format | Rolls |
Applications by Industry
Electronics Die-Cutting
High-tensile carriers for precision parts.
Lamination
Composite and adhesive lamination.
High-Temperature Converting
Where film strength under heat matters.
Frequently Asked Questions
Are polyester release film and PET release film the same thing?
Yes — polyester is the full chemistry name (polyethylene terephthalate) and PET is the abbreviation. Identical product, identical specs.
Which term should I use in my RFQ?
Either — our engineers map both to the same product family. Full specs live on the PET release film page.
What is your MOQ?
Contact us with thickness, width and quantity for a same-day answer.
Get a Quote on Your Spec
Send gsm/μm, width, quantity and target market — pricing direction, MOQ and lead time within 24 hours.
Full range and buying guide: PET release film · all release film types