Description
PlatSil® FS-20 (Fast-Setting) Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a milky white, Shore OO66/A20 rubber. This product offers a simple 1A:1B mix ratio (by weight or volume), a fast demold time of ~25 minutes, and a long pour time (~8 minutes) relative to its cure speed. This allows for fast turn-around of molds and parts with sufficient time to mix and pour. Heat can be used to further accelerate the cure.
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 Volume:1A:1B Mix Ratio by Weight:1A:1B Shore Hardness:A20 Pour Time:8 min. Demold Time:25 min. Cured Color:Milky White Mixed Viscosity:3,800 cP Specific Volume:24.9 in³/lb Specific Gravity:1.11 Elongation:626 % Tensile Strength:467 psi Die B Tear Strength:148.2 pli Die T Tear Strength:52.8 pli Cure 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. Kit Components
| PlatSil® FS-20 | Components |
|---|---|
| 2-lb kit includes: | 1 lb of PlatSil® FS-20 Part A (~1 pint) 1 lb of PlatSil® FS-20 Part B (~1 pint) |
| 16-lb kit includes: | 8 lb of PlatSil® FS-20 Part A (~1 gallon) 8 lb of PlatSil® FS-20 Part B (~1 gallon) |
| 80-lb kit includes: | 40 lb of PlatSil® FS-20 Part A (~5 gallons) 40 lb of PlatSil® FS-20 Part B (~5 gallons) |
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