GC50 delaminated


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fjm9898
fjm9898
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I am not a happy camper today. I spent a bunch of money to have GC50 sent to the US because its the only thing that will work according to Easy Composites.

I followed every direction perfectly and soon as i cut the part, it start to chip up immediately.

I got the mixing portions right, i bought a spray gun. Laid it on a bit thinker, maybe 0.5mil or 0.6 mill, but should not of been a problem since some people brush it on heavier.
i let it stand for about 10 hours, well after the 2-3 cure time and well within the 24hour max out period. i did resin in fusion. i let the resin and the gc50 cure for 3 days. first cut, darn near instantly started to chip up and de-laminate. i used a cutoff wheel and actually moved downt eh part slow and moved fast to see if it was heat or speed, still happened no matter what.

i am at a loss guys. this product was supposed to be aon a show car tomorrow and i completely blew it because of this issue. i really dont understand.

here are a few pictures.
https://scontent.fsnc1-1.fna.fbcdn.net/v/t1.0-9/13627054_10101758362734040_2155620982675042648_n.jpg?oh=ee4c3a0ec1c0f9e76f3e73dccbae2850&oe=57F1354E
https://scontent.fsnc1-1.fna.fbcdn.net/v/t1.0-9/13606973_10101758362758990_8829558832918393004_n.jpg?oh=645c71b97dcbe46f8445be615baccc41&oe=582BB6F1
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Hanaldo
Hanaldo
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Should be fine.

Is there any delamination anywhere on the part other than a cut edge? In the images you posted, is that the line that you cut with the cut-off wheel or did you use a file/sanding block to fettle up to that edge?
fjm9898
fjm9898
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It happened in both cases.

the picture of the bigger pull up is when i was sanding an edge. the smaller ones is when i was cutting it.

Drilled some holes and same thing, big time delamination.
It didnt bond nearly at all, i can basically peal it off.

not only i am unhappy about not making my deadline, but also i made a 8ft x 4ft sheet, so that is a huge cost in material i have to throw away.
Edited 9 Years Ago by fjm9898
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