MM/MMM Composite Polyester Film

Specifications Combining 2 layers (MM) or 3 layers (MMM)of polyester films.

Insulating material.

UL (NO.E353580),ROHS,SGS,MSDS certificated.

MM/MMM Composite Polyester Film           Description:Combined Polyester Film (abbr. MM/MMM) is an insulating material, produced by combining 2 layers(MM) or 3 layers (MMM)of polyester films.   Anvantages: This material has good stiffness and heat-resistance, sound dielectrial property and mechanical property.   Applications: it is used as insulating tube of high-tension and low-tension coils on cast-resin(Dry-type) transformers as well as used for slot, liner and turn-to-turn insulation of motors.    Parameters

Item		Unit	Value
Nominal Thickness		mm	0.50	1.1	1.4
Thickness Tolerance		mm	±0.15	±0.15	±0.20
Polyester Film Thickness		mm	0.25	0.35	0.35
Norminal Grammage		g/m²	700±20	1500±25	2200±30
Standard Width		mm	800-1200
Breakdown Voltage		KV	≥25	≥30	≥40
Storage Life		month	6 months,room temperature,dry and well-ventilated environment
Remark		This product is produced in accordance with Q/HJ-217-2009 and is tested in accordance with GB/T5591.2-2002

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