PlatSil 71-20 - 5 Gallon Kit (80 Lbs)
PlatSil 71-20 RTV Silicone Mold Rubber is a 1:1 by weight or volume, 20 durometer, pourable silicone rubber that can be made brushable with TinThix or PlatThix (see Additives). Has great strength, stretch, super low shrinkage and a favorite for ease of use. Lavender upon cure.
PlatSil 71-20 is a unique, fast-curing (4-hour demold), 1A:1B mix, soft (A~20) platinum silicone mold rubber. This easy to mix 1:1 system is fun, fast and high-performance. Measure by weight or volume.
Mix Ratio: 1A:1B By Weight
Working Time: 25 minutes
Demold: 4 hours
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