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Paper Phenolic Sheet/Bakelite Sheet(3021/PFCP)

Product Details

No.	Project		Unit	3021	3025	3025—A	3026	3027	3241
1	Appearance		-	Smooth surface, uniform color, no bubbles, no wrinkles, edge cutting neat, no stratification.
2	Density		g/m³	1.25～1.4	1.3～1.4				1.75-1.90
3	Vertical layer bending strength(normality)		MPa	≥120	≥100	≥90	≥110	≥125	≥300
4	Tensile strength		MPa	≥100	≥80
5	Parallel impact strength (Simply supported beam)		KJ/m2	-	≥7.8				≥50
6	Parallel layer shear strength		MPa	≥10	≥25	≥25	≥20	≥25	≥30
7	Adhesive strength		N	≥3600					-
8	Electrical strength	Vertical layer（in 90℃transformer oil ）( thickness 1mm )	Kv/mm	≥15.8	≥5.1	≥5.1	≥5.1	≥5.1	≥8.0
8	Electrical strength	Parallel layer breakdown voltage（in 90℃transformer oil ）	kv	≥35	≥20				≥35
9	Insulation resistance after water immersion		Ω	-	≥5*107				≥1.0*108
10	Dielectric constant（1MHz)		-	≤5.5
11	PTI		-	≥100					-
12	Water absorbing ( thickness 1-20mm)		mg	180～970	206～406		136～277		64-193

X/XX/XPC/XXX Bakelite Sheet

Standard :GB/T 1303.6-2009 / IEC60893-2:2003
This product is made of insulating impregnated paper impregnated phenolic resin and then formed with baking hot pressing. It is with high mechanical and electrical properties. Products used for motors which require for high mechanical performance, and as insulation structural components in electrical equipment, also can be used in transformers.
Heat resistance class：Class E.

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Paper Phenolic Sheet/Bakelite Sheet(3021/PFCP)

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