Polytek Development Corp  |  SKU: 7420U6

Poly 74-20 Liquid Rubber

$92.90
Shipping calculated at checkout.
Poly 74-20 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow, Shore A20 rubber. This is the softest rubber in the Poly 74-Series line of polyurethane mold rubbers. Poly 74-20 is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.

WARNING: This product can expose you to chemicals including Toluene diisocyanate (TDI), which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

FOR INDUSTRIAL/PROFESSIONAL USE ONLY.

TECHNICAL SPECIFICATIONS
  • Mix Ratio by Weight: 1A:2B
  • Shore Hardness: A20
  • Pour Time: 20 min.
  • Demold Time: 16 hr.
  • Cured Color: Yellow
  • Mixed Viscosity: 800 cP
  • Specific Volume: 27.5 in³/lb
  • Specific Gravity: 1.01
  • Elongation: 1,060 %
  • Tensile Strength: 217 psi
  • Die C Tear Strength: 43 pli
  • Notes: Shake or Stir Part B before use. 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.



Kit Components
Poly 74-20 Liquid Rubber Components
6-lb kit includes: 2 lb of Poly-74 Series Part A (~1 quart)
4 lb of Poly-74-20 Part B (~1 gallon)
24-lb kit includes: 8 lb of Poly-74 Series Part A (~1 gallon)
16 lb of Poly-74-20 Part B (~2 gallons )

  

LOOKING FOR LARGER SIZES (E.G., DRUM KITS)?

Contact us at 877-935-8906 or info@concretedecor.net for help.
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