Electronics Forum: uv testing of conformal coated pcbs (Page 1 of 3)

Adhesion of conformal coating to plastic components

Electronics Forum | Tue Jun 02 14:32:58 EDT 1998 | Chris Fontaine

We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not alwa

Masking of PWBs prior to conformal coat

Electronics Forum | Fri Apr 21 17:46:29 EDT 2006 | SD

First of all, do not use kapton tape! It tends to cause a dewetting effect around the tape. A call to Humiseal will explain why. There's not really a blanket answer to your question.... Removing cured liquid mask can often result in a fillet ef

What type of brush for hand conformal coating?

Electronics Forum | Thu Dec 03 07:09:59 EST 2009 | jdumont

We spray with an Asymtek C-740 system. However, some very small PCBs we do by hand and we also touch up after a PCB has to be repaired.

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Wed Jun 03 01:06:13 EDT 1998 | Mike Moninger

| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Wed Jun 03 07:13:27 EDT 1998 | Tom Tellinghuisen

| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Tue Jun 02 15:53:32 EDT 1998 | Earl Moon

| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Wed Jun 03 15:22:12 EDT 1998 | Greg Curler

| | We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Tue Jun 02 17:36:43 EDT 1998 | Chris Fontaine

| | We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Tue Jun 02 18:01:47 EDT 1998 | Earl Moon

| | | We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is no

Bubbles on solder joint(after conformal coating curing)

Electronics Forum | Wed Dec 02 00:31:37 EST 2009 | jlawson

UV40 for you info was developed in Humiseal EU and has been tested heavily against Dymax product. UV40 is a great product has many approvals from major auto and whitegoods makers.... I have seen comparisons UV40 to Dymax 984LV and Dymax comes out se

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