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6521-Polyester Film & Insulating Paper Flexible Composite Material

Description:

It is two layers laminate made of polyester film and insulating paper, B grade insulating material which has excellent dielectric property and high mechanical property.

Specification:

Properties				Units	Values
Nominal thickness				mm	0.15	0.20	0.25	0.30	0.35	0.45
Thickness tolerance				mm	±0.020	±0.030			±0.035	±0.045
Basic Weight				g/m²	190±28	250±38	310±46	370±55	490±73	550±32
Tensile strength	MD		No bending	N/10mm ≥	100	120	150	200	240	360
			After bending		70	80	95	110	180	275
	TD		No bending		80	90	95	105	120	180
			After bending		50	50	60	80	115	175
Elongation		MD		%	≥2				≥3
		TD			≥8				≥10
Breakdown voltage		No bending		kV	≥8
		After bending			≥6
Bonding property at room temp.					No delamination
Bonding property at 155℃±2℃ /10min					No delamination, no bubble, no adhesive flow