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Castaldo® Superstretch® Silicone Rubber

Molds that normally require many parts to release complicated or difficult patterns can now be done easily and simply! SuperStretch High Shine Finish means less polishing. Cuts like butter. Easy mold packing/easy mold cutting. Low rubber shrinkage - only 1.3%. Compatible with other Castaldo® silicone molding rubbers -can be used alone or used as an insert for special projects. Instructions. MSDS.

Shore A Hardness 28
Vulcanizes at

165° -176°C / 330° – 350°F

Rubber shrinkage

Low, 1.3%

Elongation before break 900%
Tensile strength before break

109 psi

7.7 n/mm²

Tear strength before break

110 lb./in.

19.2 n/mm

Color Violet