We not only produce insulating boards, but also can cut them into various sizes and process them into insulating parts of various shapes for customers. Our company has different types of CNC machines and grinding machines, which can make various high-precision insulating parts.

Product description

3240 epoxy phenolic glass cloth laminate, with high mechanical and electrical properties, is widely used in generators, motors, electronic appliances as insulation materials and components. In the transformer oil pressure environment and humidity environment is also very suitable. The product is made of alkali - free glass fiber cloth for electricians dipped in epoxy phenolic resin, baked and hot pressed.

 

3240-A EPOXY GLASS CLOTH LAMINATE SHEET
Properties		Unit	Grade：3240-A
Flexural strength perpendicular to laminations (A: under normal conditions E-1/150: 150±5 °C)	≥	Mpa	320
Impact Strength parallel to laminations (Charpy)	≥	KJ/m2	33
Insulation Resistance after immersion in water (D-24/23)	≥	Ω	1.0×108
Dielectric strength perpendicular to laminations (in 90±2°C transformer oil)	≥	MV/m	14.2
Breakdown voltage parallel to laminations (in 90±2°C transformer oil)	≥	KV	30
Water absorption (D-24/23, 1mm in thickness)	≤	mg	18
Permittivity (1 MHz)	≤	—	5.5
Dissipation factor (1 MHz)	≤	—	0.04
Flammability		Class	—
Density		g/cm3	(1.9-2)
Color		—	Natural

Package

 

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