PIN HOLES


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fgayford
fgayford
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I have finally got a technic to fill pin holes in one shot that I will share with the group.

1. Sand your part with 220 paper.

2. Wipe down with pure Alcohol not thinner or prime wash or acetone.

3. I have a large needle (4 inches) and have flattened the point just a bit.
    At ninety degrees lightly push the needle into each and every pinhole and twist.
    (this opens and scores the pinhole)

4. Wipe and rub in the alcohol again, very wet, blow dry with high pressure.

5. Mix a small batch of automotive clear and brush on the affected area. (a good thick coat.)

6. Now with a gloved finger rub the clear in with circular motions. (be aggressive)

7.Now brush another coat of clear on right away. Wait 10 minutes and brush on another coat with what you have left over.

8. I then put the part in my hot box at 110 f over night.

9. Flat sand with 220 grit. BANG the pinholes are ALL gone!

10. clear again with your spray equipment and you are ready to wet sand and compound.

NOTE: I have posted this technic because it works. I used to have to go over a part sometimes 4 times to get rid of all of the pinholes.

If you are a professional Auto Body painter this will sound barbaric, but you can't argue with success.

Hope this helps.

Fred






  
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Warren (Staff)
Warren (Staff)
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Thanks for sharing the useful tips!!

Any little tricks or tips to help get round one of the most annoying awkward problems in composites is a bonus!!

Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant
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