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  2. DOWSIL™ 1-4105 Conformal Coating

DOWSIL™ 1-4105 Conformal Coating

One-part, clear, fast heat cure, soft, stress-relieving, UL, contains UV indicator. Suitable for use as a protective coating for rigid and flexible circuit boards.

用途:

  • Conformal Coating for:
  • Rigid and flexible circuit boards 
  • Electronic Printed Wiring Boards (PWB) 
  • Sensitive components and fine pitch design 

优势:

  • One-Part Heat Cure
  • Cures to soft, low stress elastomer
  • Low viscosity enhances flow and fill in narrow gaps and spaces
  • No added solvents
  • UV indicator allows for automated inspection
  • UL 94 V-1 flammability rating

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

  • 介电常数 100 Hz 是 否 2.63
  • 介电常数 100 kHz 是 否 2.63
  • 介电强度 是 否 500 volts per mil v/mil
  • 介电强度 （kV/mm） 是 否 20 kV/mm
  • 体积电阻率 是 否 2.7e+013 Ω・cm
  • 可固化涂料 是 否 true
  • 可流动 是 否 true
  • 固化特点 是 否 快速热固化
  • 固化类型 是 否 加热固化
  • 延伸率 是 否 70 %
  • 抵御种类 是 否 热阻
  • 拉伸强度 是 否 35 psi
  • 损耗因子 100 Hz 是 否 < 0.0002
  • 损耗因子 100 kHz 是 否 0.0007
  • 无溶剂 是 否 true
  • 温度稳定性 是 否 弱/低, 强/高
  • 温度范围 是 否 -45 to 200 °C
  • 溶剂类型 是 否 无溶剂
  • 点胶施工方式 是 否 高流量 350-850 cps
  • 热固化 是 否 10 Minutes @ 105 Deg C
  • 热固性 是 否 true
  • 特性 是 否 UL 认可
  • 硬度 是 否 高度消除应力 <15A
  • 硬度-Shore 00 是 否 64 Shore 00
  • 粘度 是 否 450 mPa.s
  • 线性热膨胀系数 是 否 325 um/m/Deg C
  • 组分 是 否 单组份
  • 非挥发含量 是 否 98 %
  • 颜色 是 否 清除
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