Cardboard Free Sample We not only produce insulating boards, but also can cut them into various sizes and process them into insulating parts of various shapes for customers. Our company has different types of CNC machines and grinding machines, which can make various high-precision insulating parts. 聽 Product description --3021 phenolic paper laminated sheet is made up of paper impregnated with phenolic resin by baking and heat pressing. --The thicker Polyester film you choose, the higher electrical strength is. --Insulation class: E class (120 掳C) --3021 phenolic paper laminated sheet has high mechanical properties. --as insulating structural parts in electric motor, electrical equipments which request high mechanical properties, also used in transformer oil. --The products have passed ROHS and RECH test. 聽 Roduct features --Form: Sheet or other form customized according to customer requirements. --Colur:Orange brown and black. Special colours can be provided on request. --Thickness : 0.5mm-100mm. --Size: Regular 1020*2020mm,1220*2440mm. --Special specifications can be customized. 3021 PHENOLIC PAPER LAMINATED SHEET Serial numberPropertiesUnitGrade 3021-C 1Flexural strength perpendicular to laminations above 2mm鈮?/p> MPa147 2Bonding strength鈮?/p> N3206 3Dielectric Strength Perpendicular to Laminations (in 90掳C transformer oil)鈮?/p> MV/m1.6 4Breakdown voltage parallel to laminations(in 90掳C transformer oil)鈮?/p> kV4.4 5Permittivity (1MHz)_鈥?/p> 3.71 6Dissipation factor (1MHz)_鈥?/p> 0.0267 7Insulation Resistance after impregnated in water鈮?/p> 惟1.2脳108 8Density聽g/cm3(1.45-1.5) 9Water absorption (10mm in thickness)鈮?/p> mg653.7 10Color聽鈥?/p> Coffee 聽 3021 phenolic laminated paper sheet is wrapped by proctective film; 3021 phenolic laminated paper sheet is packed by standard import & export cartons or.iron pallets. 聽Cardboard Free Sample website:http://www.cnholdsen.com/cardboard/
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