Equinox® Silicone Putty Products are new silicone compounds (platinum catalyst) that can be easily mixed and applied by hand to a variety of surfaces. Equinox® Putty is mixed in equal amounts (1A:1B) by volume.Equinox® 35 has a pot life of about 1 minute with a cure time of about 7 minutes at room temperature (73°F/23°C). Equinox® 38 has a pot life of 4 minutes with a cure time of 30 minutes and Equinox® 40 is a slower version with a 30 minute pot life and 5 hour demold time.Shrinkage is low and cured rubber is exceptionally strong (very high tensile strength), durable and will resist high temperatures (for casting low-temperature melt metal alloys). They also resist cure inhibition. Applications include making fast mold impressions from almost any surface, orthotics / orthopedic, equine hoof repair, jewelry making and more.