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Poly 74-20 Liquid Rubber
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.
$92.90
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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