Poly 74-30 Liquid Rubber
Poly 74-30 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to an amber (color varies), Shore A30 rubber. This is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application. For a transparent, amber version of this rubber, consider Poly 74-30 Clear Liquid Rubber. For a high-tear version of this product, consider Poly 74-30 HT Liquid Rubber.
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.
Technical Specifications
- Mix Ratio by Weight:
- 1A:1B
- Shore Hardness:
- A30
- Pour Time:
- 25-30 min.
- Demold Time:
- 16 hr.
- Cured Color:
- Amber, Varies
- Mixed Viscosity:
- 2,000 cP
- Specific Volume:
- 27.5 in³/lb
- Specific Gravity:
- 1.01
- Elongation:
- 506 %
- Tensile Strength:
- 281 psi
- Die C Tear Strength:
- 62 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.