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Poly 81-90 Liquid Rubber 56 lb

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TL Item#: 107331 Category: Mold Making & Casting

Poly 81-90 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow, Shore A90 rubber. This product is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.

Technical Specifications

  • Mix Ratio by Weight: 100A:40B
  • Shore Hardness: A90
  • Pour Time: 23 min.
  • Demold Time: 16 hr.
  • Cured Color: Varies
  • Mixed Viscosity: 2,000 cP
  • Specific Volume: 26.6 in³/lb
  • Specific Gravity: 1.06
  • Elongation: 463 %
  • Tensile Strength: 1,550 psi
  • Die C Tear Strength: 357 pli
  • Notes: The color of polyurethane Part Bs may change in color from batch to batch or may darken with age, but product performance is not affected.


NOTE: While Techland takes steps to ensure accuracy in it's product listings and images, any color samples or lamp and product images shown on this website are for reference only, may not be exact and may vary from the actual product look and/or color.

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