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DOWSIL™ 3140 RTV Coating

概述
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技术内容
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单组分、流动性好的半透明粘合剂或涂料，高延伸率提高振动/机械冲击阻尼性能和降低应力、良好的阻燃性、UL、IPC 和军用规格经过测试、含有 UV 指示剂。

用途:

Protection of corrosion-sensitive components
Protection of rigid and flexible circuit boards
Improved pin/solder joint coverage
Thin-section encapsulation
Pin sealing

优势:

One-part no mixing required
Good flowability, Able to flow, fill or self-leveling after dispensing
Room temperature cure, no ovens required
Faster in-line processing with optional heat acceleration
No added solvents
UL 94 V-1, IPC-CC-830 and MIL-A-46146 tested
Can be considered for uses requiring added flame resistance, IPC or Mil Spec testing
UL 746E / UL746C Recognized
UV indicator for manual and automated inspection

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

Color 是否半透明/透明
Flowable 是否 Yes
介电常数 100 Hz 是否 2.52
介电常数 100 kHz 是否 2.52
固化特点 是否室温长工作时间 > 10分钟
损耗因子 100 Hz 是否 0.004
损耗因子 100 kHz 是否 0.001
溶剂类型 是否无溶剂
点胶施工方式 是否最厚层施用超过 25,000 cps
特性是否 MIL 规格, UL 认可, 单组份
硬度-Shore A 是否 31.6
粘度是否 34400 mPa.s
组分是否单组份
自流平 是否 Yes