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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 HardnessÂ D80
Pour TimeÂ 9 min.
Demold TimeÂ 30 min. (1/2-inch thick)
Cured ColorÂ Water-Clear
Mixed ViscosityÂ 600 cP
Specific GravityÂ 1.07
Specific VolumeÂ 27.5 inÂ³/lb
Maximum ExothermÂ 228Â°F (2-lb mass)