Premium Fast Platinum-Cure Silicone Rubber for Professional Applications
PlatSil FS-20 is a fast platinum-cured silicone rubber from Polytek Development Corp. with a Shore A20 hardness and an exceptionally low viscosity of 3,000 cP. This 1A:1B system (by weight or volume) is specially developed for applications requiring direct food contact, such as molds for chocolate, candy, bakeware, and food packaging.
Key Benefits
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Exceptionally low viscosity: 3,000 cP for excellent detail reproduction and easy pouring without vacuum equipment.
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Milky translucent appearance: Milky translucent after curing, ideal for applications where color control is important.
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Chemically stable: Non-reactive under normal conditions, resistant to heat up to 150°C flashpoint.
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Professional use: Developed for industrial and professional applications with consistent batch quality.
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Easy processing: 1A:1B mixing ratio by weight or volume, no complex calibration required.
Typical Applications
- Molds that need to be made quickly
- Molds for polyester, epoxy, and polyurethane
- Industrial molds for repeatable use in production environments
- Educational and craft applications with food-safe requirements
Technical Characteristics
PlatSil FS-20 is mixed in a 1A:1B ratio by weight or volume. Viscosity: 3,000 cP at 25°C. Specific gravity: 1.10. Appearance after mixing: milky translucent. Flashpoint: >150°C. Store at 15–32°C in unopened original packaging; shelf life up to 6 months after opening. Not hazardous according to GHS/29 CFR 1910.1200.
Polytek Development Corp. is an American specialist in polyurethane and silicone systems for professional mold making, food-safe applications, and industrial casting, with over 40 years of experience in the sector.
Professional Support
Do you have technical questions about mixing ratios or specific applications? Our team is ready with product-specific advice based on your project. Contact us for personal guidance.
