i need to make a 4 by 12 sheet of fiberglass resin 1 inch thick for a thing im building aor school . but it keeps cracking and warping i dont know why.
2007-02-21 11:02:38 · 4 answers · asked by Anonymous in Home & Garden ➔ Maintenance & Repairs
You need to use casting resin.
This should get you pointed in the right direction.
http://www.pearlpaint.com/shop~ocID~2999~parentID~2972~categoryID~2970.htm
2007-02-22 05:02:45 · answer #1 · answered by Caveman 3 · 0⤊ 0⤋
Are you making a sheet of just resin, or are you using cloth, or matt, or woven roven? If it is just the resin I don't think you can keep it from warping. You might try it is layers, and use less hardening agent to retard the curing time which will reduce the heat generated and might limit the warping. It will stop the cracking.
2007-02-21 15:11:14 · answer #2 · answered by lestermount 7 · 0⤊ 0⤋
It sounds like your using too much hardener in the mix. You are using the fiber aren't you? Try using less hardener and letting the drying time go a little longer.
2007-02-21 11:07:46 · answer #3 · answered by Anonymous · 0⤊ 0⤋
It is waaaay too big. Makes smaller sheets and then bond them together and then patch the bonds with fiberglass.
2007-02-21 11:06:30 · answer #4 · answered by Santa Barbara 7 · 0⤊ 0⤋