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Painting Balsa

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  • Member since
    November 2005
Painting Balsa
Posted by Anonymous on Wednesday, April 27, 2005 9:57 PM
Alittle off topic but maybe someone can help.
I build RC boats from balsa.
Boat #1
Built the boat.
Used Krylon primer till the grain was filled.
Painted with Krylon paint.
Then krylon clear.
1500 grit and polished till light glass.
6 months later the paint was Crazed everywhere.

I thought that maybe I didn't let the layered set long enough.
SO......
At this point the boat cured almost a year.
I 600 sanded, krylon clear again, worked it till like glass, 6 months later, Crazing everywhere.

Boat #2
Same process only I let the color set for 3 months before clearing, worked it to a glass finish and 6 months later, Crazing everywhere.

What gives?
How do I fix it and prevent it next time?
  • Member since
    January 2005
  • From: returning to the FSM forum after a hiatus
Posted by jinithith2 on Wednesday, April 27, 2005 10:27 PM
how is it crazed?
  • Member since
    November 2005
Posted by Anonymous on Thursday, April 28, 2005 12:04 AM
looks like broken tempered glass.
It sat for monthes in primer and again in color without any problem.
The clears seems to be the problem.
But I don't know.
  • Member since
    January 2005
  • From: returning to the FSM forum after a hiatus
Posted by jinithith2 on Sunday, May 1, 2005 9:39 PM
hhhhhhhmmmmmmmmmmm... have you tried other clears?
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