Хит продаж, двухкомпонентный теплопроводный Огнестойкий Электронный силиконовый клей для заливки
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TESTING ITEM | ESTING STANDARD | Part A | Part B | |||
Color | Visual inspection | White / black viscous liquid | White viscous liquid | |||
Viscosity, cps , 25℃ | GB/T 10247-2008 | 2500±500 | 2300±500 | |||
Density,,g/cm3, 25℃ | GB/T 15223-1994 | 1.63±0.05 | 1.63±0.05 | |||
Mixture ratio | Weight Ratio | A:B = 100:100 | ||||
Viscosity of mixture,4#rotor,cps , 25℃ | GB/T 10247-2008 | 2500±500 | ||||
Operation time,mins , 25℃ | GB/T 10247-2008 | 50±10 | ||||
Tack free, mins, 25℃ | GB/T 10247-2008 | 90±20 | ||||
Cure condition | GB/T 10247-2008 | 25℃/3-5 hr or 80℃/ 30mins | ||||
Characteristics after curing | ||||||
Cured appearance | Visual inspection | Gray, white or black elastomer | ||||
Hardness, Shore A | GB/T 531-2008 | 55±5 | ||||
Thermal conductivity,W/mK | GB/T 10297-1998 | 0. 75 | ||||
Linear expansion,K-1,ppm | HGT 2625-1994 | 230 | ||||
Dielectric strength ,kV/mm, 25℃ | GB/T 1695-2005 | ≥15 | ||||
Volume resistance,DC 500V, Ω·CM | GB/T 1692-92 | 1.1×1014 | ||||
Loss factor(1 MHz) | GB/T 1693-2007 | 0.009 | ||||
Dielectric constant(1 MHz) | GB/T 1693-2007 | 3.00 | ||||
Application temperature, ℃ | GBT 20028-2005 | - 50 ∽ 250 | ||||
Flame resistance | UL-94 | V-0 |
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