Talk Composites - The Forum for Advanced Composites

Avoiding pinholes

http://www.talkcomposites.com/Topic28796.aspx

By FiveO - 8/4/2018 8:04:46 AM

Hi,

I need to sandblast my moulds for matte finish, but after that I have lots of pinholes.
I used spraying.

Does brushing gelcoat to mould avoid pinholes? Or what can be pinhole free mould gelcoat, not only surface but entire coat?
By FiveO - 8/16/2018 7:21:51 AM

Does vacuum help? I think it's too viscous for vacuum