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PlatSil® 73-25 is a 1A:1B mix, platinum silicone rubber that cures to a soft/mid-range hardness of A25. This silicone is a blend of all the best properties available for a silicone mold rubber. A 15-minute pour time coupled with a 4-5 hour demold time is the best of both worlds!
This low-viscosity mix (6,000 cP) often does not require vacuum degassing. The yellow colored Part A and green colored Part B make it easy to see when mixing is complete. A uniform, light, lime-green color means you’re good to go!
This liquid rubber is great for making molds for all types of resin casting (polyurethane, polyester, epoxy) and foam casting and does not require application of release agent prior to casting. It is often used for prototyping, model making, hobby reproduction, taxidermy, soap and candle making, and much more.
Mix Ratio1A:1B Shore Hardness A25 Pour Time 15min Cured Color green Mixed Viscosity 6000cps Specific Volume 24.3 in³/lb Demold Time 5hr
Accessories: PlatThix Liquid Thickener, PlatSil® 71/73 Part R Retarder, Silicone Fluid 50cs, PlatSil® 71/73 Part X Accelerator