G-7 sheet Silicon Glass Cloth Laminated Sheet

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Silicon Glass Cloth Laminated Sheet(G-7 sheet)

G-7 Silicon Glass Cloth Laminated Sheet is made of several layers of glass cloth impregnated with silicon resin by processing under heat and pressure, the natural color is typically cream to white which has excellent heat and arc resistance. It can be used as a slot insulation in high temperature motor, arc clapboard in the switch and so on. (IEC: SiGC201; NEMA: G-7; DIN7735: HP 2572)

Silicon Glass Cloth Laminated Sheet (Similar to NEMA G-7)
Properties	Unit	Value
Water Absorption	%	0.5
Flexural strength perpendicular to laminations	MPa	≥119.6
Impact Strength parallel to laminations (Charpy)	KJ/m2	≥24.9
Breakdown voltage parallel to laminations (in 90±2℃ transformer oil, 1min)	KV	25
Insulation Resistance parallel to laminations (after immersion in water)	MΩ	≥1x 102
Dissipation Factor (1MHz, after immersion in water)	---	0.07
Permittivity (1MHz, after immersion in water)	---	≤6

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