Wilsor crystal clear polyester casting resin is perfect for smaller projects where some shrinkage is not a problem. Think of casting insects, flowers or other small objects. This transparent polyester resin consists of two components in a mixing ratio of 3:1, with the B component being an MEK hardener.
User Manual
Use a suitable mold to pour the resin into. The mold should be smooth, have a loosening action and preferably be plastic to prevent adhesion. The resin will not adhere to Teflon, polyethylene or polypropylene (such as disposable cups). Add 1% MEK hardener to the resin and mix thoroughly.
While the resin is still liquid, insects, leaves or other small objects can be added. Make sure there are no air bubbles.
After complete curing, the object can be removed from the mold. The side that was in contact with air will remain somewhat dull and sticky. Sand this surface and then treat it with Colad One Step Ready for a clear, smooth finish.
Technical specifications
- Pot life: 60 minutes at 20°C with 1% MEK
- Pot life: 120 minutes at 10°C with 1% MEK
- Curing: 24 hours at 20°C with 1% MEK
- Color: Transparent
Comparison with epoxy casting resin
Advantages:
- More advantageous in price
- Shrinks loose from the mold
Disadvantages:
- Shrinkage during curing
- Surface in contact with air remains dull
- Characteristic odor during curing
Casting resin colors
The casting resin can be colored with pigments. Use one of the five available pigments for this purpose. Add the pigment in small amounts (starting at about 0.5% of the total amount of resin mixture) until the desired color is achieved.
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