Hi all,
I have a small PCB going into a small case approximately 70mm long, 11mm wide 5.5mm high (internal). The PCB must be waterproofed and ideally the cables need protection against being pulled (there is no room for knotting the cable to relief on the case).
I investigated neutral cure silicone but have found it develops a skin of 5mm then stops curing. It's also a little too flexible.
Standard epoxy adhesive is good once it's cured but is too thick to inject into the case. It's also expensive.
Essentially I need "runny" epoxy which I can inject with a syringe. Thermally conductive would be a bonus. Any recommendations?
The alternative is to fill the case as the PCB is going in, but it'll be messy and I have 1,000+ units to do!
Thanks, Andrew
I have a small PCB going into a small case approximately 70mm long, 11mm wide 5.5mm high (internal). The PCB must be waterproofed and ideally the cables need protection against being pulled (there is no room for knotting the cable to relief on the case).
I investigated neutral cure silicone but have found it develops a skin of 5mm then stops curing. It's also a little too flexible.
Standard epoxy adhesive is good once it's cured but is too thick to inject into the case. It's also expensive.
Essentially I need "runny" epoxy which I can inject with a syringe. Thermally conductive would be a bonus. Any recommendations?
The alternative is to fill the case as the PCB is going in, but it'll be messy and I have 1,000+ units to do!
Thanks, Andrew
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