Electronics Forum: wicking of conformal caoting (Page 1 of 1)

Masking of PWBs prior to conformal coat

Electronics Forum | Wed Apr 19 16:43:05 EDT 2006 | samir

Silicone-based coatings "repel" most foreign,non-compatible materials like peelable solder mask, and rubber or vinyl boots. The result is, uncured material around the vicinity of where the boot was. Trust me. Been there and done that. As a rookie

Masking of PWBs prior to conformal coat

Electronics Forum | Wed Apr 19 11:50:05 EDT 2006 | amol_kane

Hi BJ, Everyone's favourite answer...it depends! If the volume if large, masking boots will save you both, time and money in the long run. Custom boots are relatively expensive to buy, but they pay themselves over time by savings on masking tape. ma

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