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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-2551 | K-2801 | K-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) | 10:1 | 4:1 | 1:1 |
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. |
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