Polytek® Polyurethane Rubbers Technical Reference Chart Shore Demold Time Mixed Specific Vol- Specific Tensile Die C Tear Series Product Mix Ratio Pour Time Cured Color Elongation (%) Hardness @ 73°F Viscosity (cP) ume (in3/lb) Gravity Strength (psi)...
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Polytek® Polyurethane Rubbers Technical Reference Chart Shore Demold Time Mixed Specific Vol- Specific Tensile Die C Tear Series Product Mix Ratio Pour Time Cured Color Elongation (%) Hardness @ 73°F Viscosity (cP) ume (in3/lb) Gravity Strength (psi) Strength (pli) Poly 74-20 1A:2B by weight A20 20 min. 16 hr. Yellow 800 27.5 1.01 1,060 217 43 Poly 74-24 1A:1B by weight A25 20 min. 16 hr. Amber 2,000 27.5 1.01 750 220 55 Poly 74-29 1A:1B by weight A30 30 min. 16 hr. Black or Off-White 2,800 27.5 1.02 1,600 520 109 Poly 74-30 1A:1B by weight A30 25-30 min. 16 hr. Amber/Varies 2,000 27.5 1.01 506 281 62 POLY Poly 74-30 Clear 1A:1B by weight A30 25-30 min. 16 hr. Transparent Amber 2,000 27.5 1.01 507 281 62 74-SERIES Soft to Poly 74-30 HT 1A:1B by weight A30 25-30 min. 16 hr. Amber/Varies 2,000 27.5 1.01 975 304 70 Medium-Hard Polyurethane Poly 74-40 2A:1B by weight A40 20 min. 16 hr. Varies 3,400 27.5 1.01 400 349 95 Rubbers Poly 74-41 1A:1B by weight A40 20 min. 16 hr. Amber/Varies 2,00
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