How do i prepare existing Cf surface for bonding with new prepreg ?

Talk Composites - The Forum for Advanced Composites

How do i prepare existing Cf surface for bonding with new prepreg ?

http://www.talkcomposites.com/Topic19319.aspx

By creator - 9/25/2015 10:18:12 AM

Hello ,

If i want to make a repair in an existing Carbon Fiber structure using prepreg material how do i preprer

the existing surface ?

1) Remove all th upper layer of paint or whatever showing the carbon fiber

2) Clean the surface with what ????

Water ???

Airblow ???

A new piece of cloth??

Easy Leasy mould cleaner ?????

3) And then Just lay on top the prepreg ??

By Fasta - 9/25/2015 4:14:27 PM

I usually just blow the dust off and carry on with the next layers of pre preg.

Sure you could also clean it with acetone, iso alcohol or other too but I don't think clean ground epoxy surface will be of any concern?