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Type: IEC P.4.1
 1. COMPOSITION AND PRESENTATION
This product made from highly purified unbleached sulphate pulp.
Normal Thickness: 0.1 每 0.5mm
Normal Width: 1000mm, Max. width : 2000mm
Packing: in roll; 350kgs or 700kgs/roll
Color: natural(brown)
2. PROPERTIES & APPLICATIONS
-Smooth
-tough
-good mechanical
-electric strength.
It is used widely in engines, electrical appliance and instrument as insulating material, and also is used to make polyester film/kraft paper flexible laminate type 6520.
3. MAIN TECHNICAL CHARACTERISTICS
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Items |
Standard IEC60641-3-2(P.4.1) |
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Thickness Deviation |
㊣10% max. |
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Density |
1.0 -1.20 g/cm3 |
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Tensile strength MD |
≡ 80 Mpa |
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Tensile Strength CMD |
≡ 40 Mpa |
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Tensile strength after folding MD |
A |
B |
|
≡ 35 Mpa |
≡ 40 Mpa |
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Tensile strength after folding CMD |
≡ 60 Mpa |
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Elongation |
MD |
≡ 2.0% |
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CMD |
≡ 7.0% |
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Elongation after folding |
MD |
≡ 1.2% |
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CMD |
≡ 5.0% |
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Ash Content |
≒ 1.0% |
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PH Value of Aqueous Extract |
6 - 9 |
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Conductivity of Aqueous Extract |
≒ 8.0 mS/m |
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Electrical Strength in air |
Thickness |
A |
B |
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0.1mm |
≡ 9 KV/mm |
≡ 9 KV/mm |
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0.15 每 0.25mm |
≡ 10 KV/mm |
≡ 10 KV/mm |
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0.30 每 0.35mm |
≡ 10 KV/mm |
-- |
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0.40 每 0.50mm |
≡ 9 KV/mm |
-- |
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Electrical Strength after folding in air |
Thickness |
A |
B |
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0.1mm |
≡ 7 KV/mm |
≡ 7 KV/mm |
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0.15 每 0.25mm |
≡ 8 KV/mm |
≡ 8 KV/mm |
|
0.30 每 0.35mm |
≡ 8 KV/mm |
-- |
|
0.40 每 0.50mm |
≡ 7 KV/mm |
-- |
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Moisture Content |
≒ 8 % |
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