Castaldo® Rapido Silicone Rubber is a fast setting silicone rubber that has a consistency like the Econosil and Super High Strength ranges that sets in 10-20 minutes depending on the mold size.

This durable and firm silicone rubber comes packaged in a 5lb box and produces shiny surfaces that require less finishing and no mold release sprays or powders.

Strip Dimensions:  18"L x 2-7/8"W x 3/8"H