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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. Can be color cast withÂ Poly Color dyes. Heated molds are also recommended for improved results.
Mix RatioÂ 1A:1B by volume, 100A:90B by weight
Shore Hardness D80
Pour Time 9 min.
Demold Time 30 min. (1/2-inch thick)
Cured Color Water-Clear
Mixed Viscosity 600 cP
Specific Gravity 1.07
Specific Volume 27.5 in³/lb
Maximum Exotherm 228°F (2-lb mass)