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DOWSIL™ 3145 RTV Mil-A-46146 Adhesive / Sealant

概述
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单组分、灰色、湿气 RTV、不流动、高强度、UL 和军用规格。

用途:

Sealing openings in modules and housings.
Adding mechanical stability to individual components.
Assembly of components on PWBs.
Sealing in and around wired and electrical leads.

优势:

Non-flowing
High tensile strength and elongation
Enhanced thermal stability
MIL-A-46146 Group II/III, TY I
No mixing required
Room temperature cure, no ovens required
Faster in-line processing with optional heat acceleration
Can be considered for uses with Mil Spec requirements

性能

这些数值为典型性能，并且不用于在规格制定过程中使用。

典型性能

不流动 是否 true
产品技术 是否 RTV 粘合剂与密封剂
介电常数 100 Hz 是否 2.83
介电常数 100 kHz 是否 2.83
介电强度 是否 500 volts per mil v/mil
低气味 是否 true
体积电阻率 是否 4.4e+014 Ω・cm
保质期 是否 360 Days
加工是否单组分
固化特点 是否室温长工作时间 > 10分钟
固化类型 是否甲氧基固化, 缩合固化, 脱醇型
基材是否尼龙 6/6, 玻璃
室温固化-小时数 是否 48 Hours
延伸率 是否 660 %
抵御是否温度非常高（超过 350°F/177°C）
抵御种类 是否抗氧化, 抗紫外线, 热阻, 耐臭氧, 防水
拉伸强度 是否 940 psi
损耗因子 100 Hz 是否 < 0.001
损耗因子 100 kHz 是否 0.001
无底涂剂的粘合力 是否无需底涂
无溶剂 是否 true
比重 @ 25C 是否 1.1
温度稳定性 是否弱/低, 强/高
温度范围 是否 -45 to 200 °C
热固性 是否 true
特性是否 MIL 规格
疏水是否 true
相对湿度50%时的表干时间 是否 55 Minutes
硬度-Shore A 是否 45 Shore A
线性热膨胀系数 是否 370 um/m/Deg C
组分是否单组份
聚酯纤维 是否 true
触变性 是否 true
防水是否 true
非流动 是否 true