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SORTA-Clear™ 18

SORTA-Clear™ 18 Technical Specifications

Addition Cure Silicone Rubber

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All Technical Data

SORTA-Clear™ 18
Product Type
  • Silicone Rubber - Platinum Cure
Mixed Viscosity21,000 cps
Mix Ratio By Weight100A:10B
Pot Life60 minutes
Cure Time24 hours
Shore A Hardness18
Specific Gravity1.08 g/cc
Specific Volume25.6 cu. in./lb.
ColorWater Clear Translucent
Die B Tear Strength80 pli
Tensile Strength425 psi
Elongation @ Break545 %
100% Modulus35 psi
Shrinkage<.001 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F

Product Description

SORTA-Clear™ 18

SORTA-Clear™ Series rubbers are premium water white translucent silicone rubbers (platinum catalyst) which cure at room temperature with negligible shrinkage. This product requires a gram scale for measuring parts A + B. SORTA-Clear™ 18 comes in Shore 18A hardness and features high tensile and tear strength.

SORTA-Clear™ silicones are ideal for making prototype, jewelry or other molds of any configuration where model visibility is important (i.e. extracting a model from the mold via cutting). Materials such as urethane, epoxy or polyester resins can then be cast into SORTA-Clear™ silicone without application of a release agent. Other materials such as wax and low melt metal alloys can also be cast into SORTA-Clear™. SORTA-Clear™ can be pigmented with SILC Pig™ silicone pigments.

SORTA Clear™ 18 silicone rubber is FOOD SAFE and can be used for culinary applications including casting chocolate and other confections.

SORTA-Clear™ 18 is also skin safe and certified by an independent laboratory.

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