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Poly-Optic 1411 is a 1A:1B by volume mix, clear, hard, D~80 polyurethane casting plastic that is great for making clear parts that look like water or glass where optical clarity is important. Vacuum and pressure casting are recommended for the best results to eliminate unwanted air bubbles.
Using pre-warmed molds hastens demold time, reduces shrinkage and improves the overall quality of the casting.
NOTES: Vacuum and/or pressure casting techniques are recommended for these products. Cure inhibition can occur when casting this resin in tin-cured silicone rubber molds – use a platinum-cured silicone rubber mold if working with silicones.
1A:1B by volume, 100A:90B by weightD80 9 min. (1411), 30 min. (1/2-inch thick) (1411)Water-Clear600 cP1.0727.5 in³/lb228°F (2-lb mass) (1411), 100°F