Pre-pressed paper pressure plate transformer insulation paperboard (0.5-5.0mm)

Compressed Pressboard, Transformer Insulation Paper Board, Precompressed Press Board, Transformer Pressboard, Laminated Pressboard, Electrical Insulation Paper board, Insulation Cardboard.From 100% Unbleached sulphate wood pulp. Cardboard makes which on the intermittent type board machine. Used in transformer, Excellent dielectr

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Compressed Pressboard, Transformer Insulation Paper Board, Precompressed Press Board, Transformer Pressboard, Laminated Pressboard, Electrical Insulation Paper board, Insulation Cardboard.
From 100% Unbleached sulphate wood pulp. Cardboard makes which on the intermittent type board machine. Used in transformer, Excellent dielectric properties, good heat resistance, high mechanical properties.
Thickness: 0.5, 0.8, 1.0, 1.5, 2.0, 2.5 3.0, 4.0mm.
Size: 1000mm*2000mm, 2000mm*4000mm, 1600*3200mm, 3200mm*4200mm, or according the customer's demand.
Through ISO 9001. UL, SGS, RoHS certification.
If you have the demand, please contact with us. We can supply the best competition with the best price.
 Index.UnitValues
≤1.6>1.6~3.0>3.0
1Nominal thickness tolerance%≤10(±)
2Nominal Grammageg/cm31.00~1.201.00~1.251.15~1.30
3Shear strength,M.D.Mpa≥100≥105≥110
4Shear strength,C.M.D.Mpa≥75≥80≥85
5Elongation (M.D.)%≥3.0
6Elongation (C.M.D.)%≥4.0
7Shrinkage%≤10.0≤7.5≤5.0
8Shrinkage which would resume%≥45≥50≥50
11Shrinkage: M.D.%≤0.5
C.M.D.≤0.7
Thickness direction≤4.0
12Moisture content%≤6.0
13Ash content%≤1.0
14Electrical conductivity of aquesous extractms/m≤1.6>1.6~3.0>3.0
15Aquesous extract (PH)_6~9
16Oil absorption%≥11.0≥9.0≥7.0
17Voltage resistant strength(In air)MV/m≥12≥11≥10
18Voltage resistant strength(In oil)MV/m≥40≥35≥30
Pre-Compressed Paper Pressboard Transformer Insulating Paper Board (0.5-5.0mm)Pre-Compressed Paper Pressboard Transformer Insulating Paper Board (0.5-5.0mm)

 

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