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Old April 13th 05, 09:34 PM
Lew Hodgett
 
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If you lay new resin on resin that is less than 24 hours, no problems.

If you wait past 24 hours, the existing resin may develop an amine blush
which is easily removed with a ScotchBrite pad and water.

I always sand the old resin with a 24 grit disk before laying new resin
on top of old.

HTH

Lew