Poly 74-30 Liquid Rubber
$65.00 - $537.00
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.
View All Poly 74 Series
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.
$221.00
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.
More Information
| Poly 74-20 | Components |
|---|---|
| 6-lb kit includes: | 2 lb of Poly 74-Series Part A (~1 quart) 4 lb of Poly 74-20 Part B (~2 quarts) |
| 24-lb kit includes: | 8 lb of Poly 74-Series Part A (~1 gallon) 16 lb of Poly 74-20 Part B (~2 gallon) |
| 120-lb kit includes: | 40 lb of Poly 74-Series Part A (~5 gallons) 80 lb of Poly 74-20 Part B (~10 gallons) |
