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Phenolic Paper Laminated Sheets |
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Properties and Applications: Type: 3021 3021B 3021C Feature and Applications: 3021、3021B、3021C Phenolic Paper Laminated Sheets are made of electric insulating craft paper impregnated with phenolic resin by processing under heat and pressure. 3021B and 3021C are similar to 3021 . Properties of 3021B and 3021C ,which are more economical, is a little lower than 3021 . |
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Properties of Laminated Sheets
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Properties |
Unit |
Value |
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3021 |
3021B |
3021C |
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Density |
g/cm3 |
1.30～1.40 |
1.30～1.45 |
1.30～1.45 |
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Flexural strength perpendicular to lamination |
Mpa |
≥120 |
≥90 |
≥90 |
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Bonding Strength |
N |
≥3600 |
≥3000 |
≥2800 |
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Dielectric strength perpendicular to lamination at 90¡À2c in transformer oil for 1 min, 2.0mm thick |
MV/m |
≥12.1 |
≥14 (20¡À5c) |
≥12 (20¡À5c) |
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Dielectric strength parallel to lamination at 90¡À2c in transformer oil, 2.0mm thick |
KV |
≥20 |
≥12 (20¡À5c) |
≥10 (20¡À5c) |
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Insulation resistance after impregnated in water |
ohm |
≥1x107 |
-- |
-- |
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Dielectric Constant(50HZ) |
-- |
≤ 5.5 |
-- |
-- |
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Loss Factor(50HZ) |
-- |
≤0.05 |
-- |
-- |
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Water absorption for 1.6mm thick |
mg |
≤ 170 |
-- |
-- |
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Color |
-- |
Natural Chocolate |
Chocolate |
Chocolate |
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Note: Area: 980mm ¡Á1980mm(38¡± x 78¡±);1020mmx1220mm(40¡± x 48¡±); 1020mm x 2040mm(40¡± x 80¡±);1220mmx2470mm(48¡± x 97¡±) Thickness: 0.5 ~ 120mm Packing: 300~1000Kgs / pallet |
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Copyright ©2004 Suzhou Kying Industrial Materials Co., Ltd |
