PlatSil 73-25 Silicone Rubber is a 1A:1B mix, platinum-catalyzed, liquid silicone system that cures (RTV) to a green, Shore A25 rubber. It has a 15-minute pour time with a 4-5 hour demold time!
This is a pourable rubber, but it can be easily thickened with PlatThix Liquid Thickener for brush-on application. This low-viscosity mix (6,000 cP) often does not require vacuum degassing (PlatSil 73-15 & 73-20 also do not necessarily 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!
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