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Which plastic is used for PCB connectors and plastic parts.

216 1 Jun 10.2019, 16:34:55

I have question about plastic parts as PCB connectors, buttons etc. is it ABS or something other and maybe some data about this cuz I found is resistive for industrial grade isopropyl alcohol when standard ABS, PLA and other common used just nice looking plastic react with it as with acid so I'm just curious which material must be used for PCB connectors and buttons for make it so resistive.
Regards

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A****min

Jun 15.2019, 09:07:17

Never seen plastics damaged by IPA, perhaps you used something like acetone accidentaly?
Anyway, many connectors from HST are made from Nylon 66, or Nylon 46 for higher temperatures (SMD/reflow soldering).
Some I/O connectors (like DVI, USB) use Glass-filled Polybutylene terephthalate (PBT).
Yet another datasheet mentions Liquid Crystal Polyester (LCP)

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