Platsil FS 20 /20kg

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.

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 in⊃3;/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.