Phenolic Paper Laminated Sheet

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Phenolic Paper Laminated Sheet

Phenolic paper laminated sheet（Phenolic sheet, Bakelite）. Phenolic paper sheet can be processed into all kinds of insulation parts, The products are widely used transformers, electric motors, electric switches etc. It is also can be used in transformer oil.
Phenolic paper laminated sheet（Phenolic sheet ,Bakelite）

No.ItemUnitsValue
1Applicable StandardsGB1302-77
3Thermal stabilityThickness≤20mm℃125
Thickness＞20mm100
4Tensile strength ≥MPa78.4
5Flexural strength ≥Flexural strength ≥98
6Impact strength ≥kJ/㎡kJ/㎡ 12
7Bonding strength ≥N3528
8Surface resistance ≥Unde rnormal conditionΩ_
Impregnated in water
9Specific volume resistance≥Under normal conditionΩ_
Impregnated in water
10Insulation resistance parallel to lamination≥Under normal conditionΩ1.0×1010
Impregnated in water1.0×108
11Voltage endurance
parallel to lamination（in oil 20±5℃）,5 minutes ≥		kV16
12Voltage endurancePerpendicular to lamination（in oil 20±5℃） ≥kV/mm25
Thickness: 1.1~2mm22
Thickness: 2.1~3mm19
Thickness: 3mm19
13Temperature index℃120

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