Description

H*1 Insulation Pressboard Production Description: 1) Pre-compressed Pressboard, with Quality Standard: IEC********1:***2/GB/T ****4.*****3 2) Thickness: 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm 3) Material: **0% unbleached sulfate pulp imported from Canada, Russia. 4) High density, high mechanical strength, high electric strength and low compression index. 5) ***0mm****0, ***0mm****0mm and customized size Transformer pressboard H*1 Transformer Board Technical Specifications: No Item Unit Specification Standard 1 Thickness mm ≤1.6mm ±7.0% >1.6mm*8.0mm ±5.0% 2 Density g/cm3 ≤1.6mm 1.***1.*0 >1.6mm*3.0mm 1.***1.*5 >3.0mm*6.0mm 1.***1.*0 >6.0mm*8.0mm 1.***1.*0 3 Tensile strength MD MPa ≥*0 CD MPa ≥*0 4 Elongation MD % ≥3.0 CD ≥4.0 5 Shrinkage MD % ≤1.0 CD ≤1.4 TD ≤6.0 6 Moisture % 4.0—9.0 7 Ash Content % ≤1.0 8 Conductivity of Aqueous Extract Ms/m ≤*0 9 PH of Aqueous Extract / 6.**9.0 *0 Oil Absorbency % ≥9.0 *1 Electrical Strength (In Oil) Kv/mm 1.0mm ≥*5 1.5mm ≥*0 2.0mm ≥*0 2.5mm ≥*7 ≥3.0mm ≥*4 *2 Cutting Size Tolerance mm 1.0mm*8.0mm ±*0 *3 Inclination Tolerance mm 1.0mm*8.0mm ±*0 Usage: Mainly used in oil-immersed transformer as insulation material, also used in reactor mutual inductance ware, electric device and etc. Package: Wrapped with vinyl film for waterproof, weaved material, then core paper packed, and wooden pallets.