This product is a laminated product made by hot pressing with carbon black epoxy phenolic resin impregnation of electrical purposed alkali-free glass cloth.It has the properties of semiconductor and can be used as anti-coroning material between large motor grooves, and can also be used as non-metallic wear-resisting structural parts material under high conditions.1.Semiconductor properties; 2.Anticorona properties; 2.Good mechanical properties; 3.Moisture resistance; 4.Heat resistance; 5.Temperature resistance:Grade B

NO.	ITEM			UNIT	INDEX VALUE
1	Density			g/cm³	1.8-2.0
2	Water absorption Rate			%	<0.5
3	Vertical bending strength			MPa	≥340
4	Vertical compression strength			MPa	≥330
5	Parallel impact strength (charpy type-gap)			KJ/m²	≥30
6	Tensile strength			MPa	≥200
7	Insulation Resistance			Ω	1.0×103~1.0×106

Appearance: the surface should be flat, free of bubbles, pits and wrinkles, but other defects that do not affect the use are allowed, such as: scratches, indentation, stains and a few spots.The edge shall be cut neatly, and the end face shall not be delaminated and cracked.Can be used as anti-coroning material between large motor grooves, and can also be used as non-metallic wear-resisting structural parts material under high conditions.