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PFGC21(3640) epoxy phenolic glass cloth laminated tube

Product features: Alkali-free glass fiber cloth for electricians is impregnated with epoxy phenolic resin and cured by hot roll baking to form epoxy phenolic laminated glass cloth tube, which has high mechanical strength, heat resistance and excellent dielectric properties, especially in high humidity. Good electrical performance stability. Application areas: It is suitable for insulating structural parts, mechanical, electrical and electronic products in electrical equipment, and can be used in humid environment and transformer oil. The heat resistance grade is B grade.

Classificationn:

Laminated sheet

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Physical, mechanical and electrical properties

Serial Number	Indicator Name		Unit	Indicators		Test Method
1	Density		G/cm	≥ 1.40		GB/T5132
2	Bending strength		MPa	≥ 176		GB/T5132
3	Compression strength		MPa	≥ 69
4	shear strength		MPa	≥ 14.7
5	volume resistance	under normal	Ω · m	≥ 1.0 × 1010		GB/T1410
		After immersion		≥ 1.0 × 108
6	Parallel layer to insulation resistance	under normal	Ω	≥ 1.0 × 1010		GB10064
		After immersion		≥ 1.0 × 107
7	Dielectric loss tangent, 50Hz		-	≤ 0.030		GB/T5132
8	Vertical layer to withstand voltage in transformer oil at (90 2)℃ for 5min	Wall thickness	kV	Inner diameter 6~25mm	Inner diameter ≥ 26mm	GB/T5132
		1.5mm		7	12
		2.0mm		10	14
		2.5mm		13	16
		3.0mm		15	18
9	Parallel layer to withstand voltage at (90 2)℃ Medium pressure resistance of transformer oil for 5min		kV	25		GB/T5132
10	After the surface voltage is damp for 24h Pressure resistance in normal air for 5min		kV	12		GB/T5132