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DOWSIL™ 748 Non-Corrosive Sealant

概述
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购买选项
技术内容
技术内容
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尤其适用于电气应用的白色、中性固化室温硫化密封胶。

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 3.3
介电常数 100 kHz 是否 3.21
介电强度 是否 475 volts per mil v/mil
低气味 是否 true
体积电阻率 是否 7.7e+014 Ω・cm
保质期 是否 720 Days
剥离强度 是否 25 ppi
加工是否单组分
固化类型 是否脱醇型
基材是否不锈钢, 低碳钢, 尼龙 6/6, 玻璃, 铝材, 镀锌钢
室温固化-小时数 是否 36 Hours
延伸率 是否 350 %
抵御是否高温（高达 350°F/177°C）
抵御种类 是否耐臭氧, 防水
拉伸强度 是否 275 psi
损耗因子 100 Hz 是否 0.0087
损耗因子 100 kHz 是否 0.0028
最低使用温度 是否 -55 °C
最高使用温度 是否 177 °C
比重 @ 25C 是否 1.33
特性是否 FDA 清单/规范, NSF 清单/规格, UL 登记/规格
硬度-Shore A 是否 35 Shore A
组分是否单组份
防水是否 true