PET
Time：
2023-03-31 11:29
Extrusion stretch molding of polyethylene terephthalate film
Polyethylene terephthalate (PET) is one of the most widely used high molecular polymers in the polyester system. Thin films produced from PET are generally produced by extrusion casting, followed by biaxially stretched PET films, which are referred to as BOPET films.
1. Performance and application of BOPET film
1) BOPET film is odorless, odorless, and has a high transparency. It is often used with a film thickness of 0.01 to
Within 0.10 mm.
2) BOPET film can be used at a wide range of temperatures, ranging from 150 ℃ to 120 ℃ for long-term use, and can withstand low temperatures up to - 70 ℃.
3) It has excellent mechanical properties and tensile strength of over 200MPa.
4) It is moisture resistant, waterproof, and has low breathability.
5) Excellent electrical insulation performance.
6) In addition to being able to degrade under the action of strong acids, bases, and water vapor, it has excellent chemical resistance.
7) The product is not easy to burn (ignition point 480 ℃), and begins to degrade above 420 ℃.
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