23 micron polyester film for FRP and GRP products

Specifications 23 micron polyester film for FRP and GRP

Excellent electrical insulation

punch processing properties

 23 micron polyester film for FRP and GRP       Features  :   Excellent electrical insulation and punch processing properties   Thickness range    100,125,150,188,200,250,300,350   Application:   Adhesvie tape,electrical insulating spacer etc    Typical property   

Item		Unit	Value						Testing method
Thickness		Um	100	125	175	188	200	250	GB/T13542.1-2009
Tensile strength	MD	Mpa	182	197	183	181	182	190	GB/T13542.2-2009
	TD		194	196	193	185	188	192
Elongation at break	MD	%	135	140	162	173	174	175	GB/T13542.2-2009
	TD		115	110	121	122	110	110
Heat shrinkage (150°C,30min)	MD	%	1.5	1.5	1.3	1.3	1.4	1.5	GB/T13542.2-2009
	TD		0.5	0.5	0.4	0.5	0.6	0.6
Haze		%	2.7	3.1	3.4	3.7	3.8	5.6	GB/T2410-2008
Electrical strength		V/um	120	101	91	87	83	70	GB/T13542.2-2009
Volume resistivity		Ω.m	4.1X106						GB/T13542.2-2009
Dielectric loss tangent(50Hz)			2.5X10-3						GB/T13542.2-2009
Relative dielectric constant (50HZ)			3.4						GB/T13542.2-2009