3240 insulation sheet

it is high mechanical strength, humidity resistance ect and widely used as insulation parts of electrical equipments

3420 Epoxy phenolic glass cloth laminated sheet is made of alkali-free E-glass cloth impregnated with epoxy resins and phenolic resins by processing under heat and pressure.This product having high mechanical and dielectric properties,fine heat and humidity resistance,can be used in electrical machine and devices as insulating construction parts in moist cirecumstances and in transformer oil.

main parameter as bellow

 

Item	unit	type
		3240	3240C
Verticality Flexural strength ≥ (normal condition)	Mpa	340	340
Verticality compressio strength≥	Mpa	350	350
parallel impact strength ≥	KJ/m2	33	33
Parallel shear strength ≥	Mpa	30	30
Tensile strength ≥	Mpa	240	240
Verticality electrical strength(90±2in oil),plate thickness:1mm	MV/m	14.2	14.2
Parallel to punch through voltage(90±2in oil)	KV	35	30
Comparative dielectric constant(50Hz)≤		5.5
Dieletric loss factor(50Hz)		0.04
density	g/cm3	1.7-1.9	1.7-1.9
color		natural	natural
size	mm	1020x2020	1020x2020

3240 insulation sheet