This video tutorial details the process of casting side-by-side “warped” concrete tables in a Polytek® Poly 74-45 polyurethane rubber mold. The original model was constructed from MDF and coated in a primer paint and the mold is made with Poly 74-45 liquid rubber, a mid-range hardness, two-part polyurethane rubber (more info. on this liquid rubber: http://goo.gl/o7KnlQ).
The steps in the process are listed below:
Steps: 1. Design & Construct Model [0:32] 2. Weigh & Mix Liquid Mold Rubber (Poly 74-45 Liquid Rubber) [0:51] 3. Pour Rubber over Model [1:10] 4. Prepare Mold & Cast Concrete (GFRC mix) [2:13] 5. Warp Concrete [3:55] 6. Demold [4:59] 7. Clean Up & Apply Finishes [6:37]
For information on the GFRC mix used in this tutorial, please consult Trinic, LLC (http://www.trinic.us/).
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