牌号简介 About |
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XT-507B是XT-500B的触变膏型,RTV-2硅树脂用于超低温封装、封装和密封应用。在该配方中,交联剂已添加到碱中,通过添加锡催化剂使固化。XT-507非常适合于就地热屏蔽、隔热、低温和高温粘合,以及将暴露在极低温度和橡胶必须保持在原位或粘附在垂直表面的电气组件的封装和封装。 XT-507B is a thixotropic paste version of XT-500B, the RTV-2 silicone for ultra-low temperature potting, encapsulating and sealing applications. In this formulation, the crosslinker has been added to the Base to enable curing via the addition of a tin catalyst. XT-507 is excellent for cast-in-place heat shielding, thermal insulation, low and high temperature bonding and the potting and encapsulation of electrical assemblies that will be exposed to very low temperatures and where the rubber must remain in place or adhere to a vertical surface. |
技术参数 Technical Data | |||
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Uncured Properties Uncured Properties |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
颜色 colour 2 |
White | ||
粘度 viscosity 2 |
600 到 800 | Pa·s | |
固化时间 Curing time |
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-- -- 3 |
12 到 16 | hr | |
-- -- 2 |
16 到 24 | hr | |
储存稳定性 storage stability |
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23℃ 23℃ 3 |
60 到 120 | min | |
23℃ 23℃ 2 |
min | ||
Cured Properties Cured Properties |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
邵氏硬度 Shore hardness |
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邵氏 A Shaw's A 4 |
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邵氏 A Shaw's A 5 |
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拉伸强度 tensile strength |
MPa | ||
拉伸应变 Tensile strain |
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断裂 fracture |
% | ||
撕裂强度 tear strength |
kN/m | ||
耐电强度 Electrical strength |
kV/mm | ||
相对电容率 Relative permittivity |
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100 Hz 100 Hz |
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体积电阻率 Volume resistivity |
ohms·cm | ||
耗散因数 Dissipation factor |
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100 Hz 100 Hz |
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
g/cm³ | ||
收缩率 Shrinkage rate |
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Cured Cured |
% | ||
Thermal Conductivity of Melt - Cured Thermal Conductivity of Melt - Cured |
W/m/K | ||
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
使用温度 Operating temperature |
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Cured Cured |
℃ | ||
比热容 Specific heat capacity |
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Cured Cured |
J/kg/℃ | ||
线性热膨胀系数 Linear coefficient of thermal expansion |
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Cured Cured |
1/℃ | ||
热固组件 Thermosetting components |
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部件 A Component A |
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部件 B Component B |
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贮藏期限 Storage period |
wk |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 Base |
3 Activator |
4 1 Day |
5 3 Days |
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