MMM composite polyester film
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/T5591.3-2008 and IEC62626-3.
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.
Hecheng/Haotai owns superior processing/testing equipment and specialized laboratories. 4 main lamination machines can fulfill a daily output of 12tons with the available maximum width of 2000mm. And 4 main slitting machines can provide slitted width from 4mm to 1900mm. We carry out full inspection and testing before/during/after production, which testing records are all kept for 2 years. Tracking of every batch of cargo is accomplished by these records. Thus products improvements or OEM are easily made according to every customer's unique needs.
When it comes to motor insulation, Hecheng offers single layer and multilayer flexible materials for electrical insulations. They can be supplied in sheet or roll form. And because of the characters of these materials, it can be easily formed or punched to eastablish a wide range of uses like slot liners, phase insulation, turn insulation, coil separators and so on.Welcome to contact Haotai, which is one of best mmm composite polyester film manufacturers and suppliers in China, you can also get mmm composite polyester film free sample from our factory.