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Old 01-03-2015, 03:53 AM   #1
Mmunited

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Default Polyester gelcoat in mold

Here is carbon fiber bonnet without 2k clear coat as pictures


any idea ? why these white spots happen ? gelcoat issue ?

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Old 01-03-2015, 03:56 AM   #2
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more pictures
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Old 01-03-2015, 10:02 AM   #3
Michiel

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Looks like dry spots, but hard to tell off a picture.
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Old 01-03-2015, 05:06 PM   #4
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Quote:
Originally Posted by Michiel View Post
Looks like dry spots, but hard to tell off a picture.
Looks like delamination? Ive seen that on a carbon fiber surfboard I was repairing. The customer apparrently left the board in the sun or in the car. Looks like its pulling away from the carbon fiber.
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Old 01-03-2015, 07:23 PM   #5
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How thin is resin maybe heat it before infusion.
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Old 01-03-2015, 09:21 PM   #6
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This looks like dry spots to me. Can happen when using an in mould coating and you get a leak during infusion. Can be fixed by poking a hole in each dry spot and filling with the coating. Bit tedious, but saves throwing a whole bonnet away.
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Old 01-04-2015, 12:17 AM   #7
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Quote:
Originally Posted by Hanaldo View Post
This looks like dry spots to me. Can happen when using an in mould coating and you get a leak during infusion. Can be fixed by poking a hole in each dry spot and filling with the coating. Bit tedious, but saves throwing a whole bonnet away.
Or sand the coat down and apply a new coat.
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Old 01-04-2015, 08:02 PM   #8
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If you like sanding! Haha
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