Poly 74-40 15 Gallon Kit (120lb)

Poly 74-40 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a Shore A40 rubber. This 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. 

Technical Specifications

Mix Ratio by Weight: 2A:1B Shore Hardness: A40 Pour Time: 20 min. Demold Time: 16 hr. Cured Color: Varies Mixed Viscosity: 3,400 cP Specific Volume: 27.5 in³/lb Specific Gravity: 1.01 Elongation: 400 % Tensile Strength: 349 psi Die C Tear Strength: 95 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.

Technical Bulletin

Safety Data Sheet - Part A

Safety Data Sheet - Part B

Kit Components

Poly 74-40	Components
24-lb kit includes:	16 lb of Poly 74-Series Part A (~2 gallons) 8 lb of Poly 74-40 Part B (~1 gallon)
120-lb kit includes:	80 lb of Poly 74-Series Part A (~10 gallons) 40 lb of Poly 74-40 Part B (~5 gallons)