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Composite Polyester Film MM/MMM Insulation Used in Transformer

Composite Polyester Film MM/MMM Insulation Used in Transformer

MM/MMM is a two-layer or three-layer composite polyester film (Mylar), produced by using adhesive to adhere 2 or 3 layer polyester film (Mylar) together

color：

white

Free sample：

Thermal Class：

F 155℃

Available width：

1000mm/customized

Thickness：

0.50-1.40mm

Quantity

Description
Application
Related Product

Composite Polyester Film MM/MMM

In accordance with GB/T5591.3.1-2008 and IEC626-2

Specification:

MM/MMM is a two-layer or three-layer composite polyester film (Mylar), produced by using adhesive to adhere 2 or 3 layer polyester film (Mylar) together.

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.

﹥﹥1 MM/MMM Technical Data

	Thickness	Tolerance	Nominal Grammage	PET Film Thickness		Melting point	BDV Not Bended≥
Polyester film/Polyester
	mm	±%	g/㎡	цm		℃	KV
10-10	0.50	10	700±70	250		256	25
14-14-14	1.1	10	1480±103	350		256	30
14-14-14-14	1.4	10	1900±133	350		256	35
Adhesive Property 180℃±2℃,10min No delamination, blister,or adhesive flow					Temperature Index（T.I）		155℃

﹥﹥2 Test and stock
2.1 Standard: GB/T5591.3.1-2008 and IEC626-2.
2.2 Storage: Room temperature, dry, clean in warehouse. Avoid fire, heat and sunlight.
2.3 Storage life: 12 months. Still effective if qualified in retest after 12 months.

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.

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