Insulating Composite Polyester Film
MM/MMM Composite polyester film
Specification MM or MMM Composite Polyester Film is a two-layer or three-layer composite polyester film (Mylar), Three -layer Composite Polyester Film is produced by using adhesive to adhere 2 or 3 layer polyester film (Mylar) together. It is also called Mylar Composite Polyester Film.
Advantage: It has perfect mechanical property, electric property and dimensional stability.
Application: it is used as insulating tube of high-voltage and low-voltage coils on cast-resin transformers as well as used for slot, liner, phase, and turn-to-turn insulation of motors and other electrical appliances.
Test and stock
Standard: GB/T5591.3.1-2008 and IEC626-2.
Storage: Room temperature, dry, clean in warehouse. Avoid fire, heat and sunlight.
Storage life: 12 months. Still effective if qualified in retest after 12 months.
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