本产品为双组份有机硅灌封胶,具有卓越的抗冷热变化、抗应力变化等性能;耐高低温,在-60~200℃长期保持弹性和稳定;抗紫外线,耐老化,并具有优异的绝缘、防潮、抗震、耐电晕、抗漏电和耐化学介质性能;无腐蚀,无溶剂,快速固化,低气味;完全符合欧盟ROHS指令要求。应用于太阳能接线盒灌封、防水电源、汽车电子模块,电器、光源,灯具及其附属器件的灌封保护。产品名称(Product Name)K-2551K-2801K-2805检测项目(Test Item)数值 (Numerical Value)数值(Numerical Value)数值(Numerical Value)固化前(Before Curing)外观(Appearance)A组分白色(The A component is white)A组分透明(The A component is transparent)A组分白色(The A component is white)B组分透明(The B component is transparent)B组分透明(The B component is transparent)B组分灰色(The B component is gray)黏度(Viscosity)A:6000±500(mPa·s)A:12000±2000(mPa·s)A:3500±500(mPa·s)B:50±10(mPa·s)B:200±50(mPa·s)B:3500±500(mPa·s)密度(Density)A:1.2±0.05(g/cm3)A:1.0±0.1(g/cm3)A:1.55±0.05(g/cm3)B:0.9±0.05(g/cm3)B:0.9±0.1(g/cm3)B: 1.5±0.05(g/cm3)混合后(After Mixing)使用比例(Use Proportion)10:14:11:1混合黏度(Mix Viscosity)4000±300(mPa·s)6000±1000(mPa·s)3500±500(mPa·s)操作时间(Operating Time)20-40(min)30-60(min)30-60(min)固化时间(Curing Time)8-24(h)24(h)8(h)固化后(After Curing)硬度(Hardness)35±5(Shore A)15±5(Shore A)58±5(Shore A)导热系数(Thermal Conductivity))0.5(W/m.K)/0.6-0.8(W/m.K)击穿电压(Breakdown Voltage)≥10(kv/mm)≥15(kv/mm)25(kv/mm)体积电阻率(Volume Resistivity)≥1.0×1014(Ω·cm3)≥1.0×1014(Ω·cm3)≥1.0×1015(Ω·cm3)介电常数(Dielectric Constant)2.5(60Hz)2.5(60Hz)3.0(60Hz)·机械性能,在空气中温度为25℃且相对湿度为50%时三天固化·Mechanical property, when the air temperature is 25℃and the relative humidity is 50%,three days curing.