Phenolic Cotton Cloth Laminated Sheet

Phenolic cotton cloth laminated sheet (insulation sheet, industry laminate sheet, phenolic cloth sheet)

are made of cotton cloth impregnated phenolic resin by processing under heat and pressure.

Phenolic cloth sheet can be processed into all kinds of insulation parts.

◆ Thickness：0.5mm~80mm
◆ Size：1020 x 1220mm; 980 x 1980mm

◆ Storage： No limitation under dry and room temperature.

NEMA	Name	Properties
___	Phenolic sheet	Mechanical application: coarse woven cotton cloth
C	Phenolic sheet	Mechanical application: coarse woven cotton cloth
CE	Phenolic sheet	Mechanical and electrical application: coarse woven cotton cloth
L	Phenolic sheet	Mechanical and machinable: fine weave cotton cloth
LE	Phenolic sheet	Precision machining: fine weave cotton cloth

Item	Unit	PFCC201	PFCC202	PFCC203	PFCC204	3025	3026
Compressive Strength in Perpendicular direction	MPa	≥100	≥90	≥110	≥100	≥100	≥110
Notch Impact Strength in Parallel direction	KJ/m²	≥8.8	≥7.8	≥7	≥6	≥8.8	≥7
Dielectric Strength in Perpendicular direction (in oil 90℃) eg: 1mm	KV/mm	≥0.82	≥5.1	≥0.82	≥6.3	≥0.82	≥0.82
Breakdown voltage in Parallel direction (in oil 90℃)	KV	≥1	≥20	≥1	≥20	≥1	≥1
Insulation Resistance after impregnated in water	Ω	≥1.0×10⁶	≥5.0×10⁷	≥1.0×10⁶	≥5.0×10⁷	≥1.0×10⁶	≥1.0×10⁶
Density	g/cm³	1.3-1.4	1.3-1.4	1.3-1.4	1.3-1.4	1.3-1.4	1.3-1.4
Water Absorption, eg:1.6mm	mg	≤220	≤145	≤220	≤145	≤220	≤220
Standard	___	IEC893-1993				JB/T8149.1-2000

3025	Mechanical and machinable: fine weave cotton cloth
3026	Mechanical and machinable: fine weave cotton cloth
PFCC201	Coarse woven cotton cloth, mechanical strength good, but electrical properties are poor
PFCC202	Coarse woven cotton cloth, electrical properties are better than PFCC201
PFCC203	Fine weave cotton cloth, good mechanical strength, electrical properties are poor
PFCC204	Fine weave cotton cloth, good mechanical strength and good electrical properties.

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