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hey im using an epoxy sealer and I'm having trouble getting it to spray.I believe its to thick,should i thin this? i am using a ingersoll rand gravity feed gun.I think the needle valve is a 1.4. I do have a chepo primer gun. This type sealer may not need to be thinned.Not sure. any info would be greatly appreciated.
 

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Check the activation ratio on your epoxy, some are 2:1, 4:1 and 1:1 and any epoxy in the automotive market should spray just fine out of a 1.4 tip.

To thick means not activated and mixed right.
 
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