PlatSil® 73-29 Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a white, Shore A30 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:A30Pour Time:45 min.Demold Time:16 hr.Cured Color:WhiteMixed Viscosity:15,000 cPSpecific Volume:25 in³/lbSpecific Gravity:1.1Elongation:531 %Tensile Strength:542 psiDie B Tear Strength:90 pliDie T Tear Strength:39 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® 73-29 | Components |
|---|---|
| 1-lb kit includes: | 0.1 lb of PlatSil® 73-29 Part A (~2 oz) 0.9 lb of PlatSil® 73-29 Part B (~1 pint) |
| 9-lb kit includes: | 0.9 lb of PlatSil® 73-29 Part A (~1 pint) 8.1 lb of PlatSil® 73-29 Part B (~1 gallon) |
| 44-lb kit includes: | 4 lb of PlatSil® 73-29 Part A (~2 quarts) 40 lb of PlatSil® 73-29 Part B (~5 gallons) |








