PlatSil® 71-40 Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a translucent, Shore A40 rubber. This is a pourable rubber, but it can be easily thickened with PlatThix Liquid Thickener or Fumed Silica for brush-on application.
FOR INDUSTRIAL/PROFESSIONAL USE ONLY.
Technical Specifications
Mix Ratio by Weight: 1A:10BShore Hardness: A40Pour Time: 90 min.Demold Time: 24 hr.Cured Color: TranslucentMixed Viscosity: 38,000 cPSpecific Volume: 26.6 in³/lbSpecific Gravity: 1.04Elongation: 296 %Tensile Strength: 438 psiDie B Tear Strength: 98.6 pliDie T Tear Strength: 32.9 pliCure Inhibition: Contamination from sulfur (e.g., sulfur-based clay), amines, tin compounds, cured polyester resin, some paints and some silicone rubbers may inhibit surface cure of platinum-cured rubbers.
Technical Bulletin
Safety Data Sheet – Part A
Safety Data Sheet – Part B
| PlatSil® 71-40 | Components |
|---|---|
| 9-lb kit includes: | 0.9 lb of PlatSil® 71-40 Part A (~1 pint) 8.1 lb of PlatSil® 71-40 Part B (~1 gallon) |
| 44-lb kit includes: | 4 lb of PlatSil® 71-40 Part A (~2 quarts) 40 lb of PlatSil® 71-40 Part B (~5 gallons) |
