Mold Max 27T

SKU: 799426

Size: Gallon Kit
Sale price$142.00

unit(s) in Stock.


unit(s) in Stock.

*Price and availability may vary.


Unit Size Net Weight
Gallon Kit 9.9 lb
Five Gallon Kit 49.5 lb



Mold Max¨ 27T Silicone is a water white translucent tin-cured silicone rubber compound that has exceptional tear strength, working properties and library life. Mold Max¨ 27T Silicone features Smooth-On's exclusive "Libra¨" catalyst for long library life. Cures overnight and features a knotty tear propagation (if the rubber is torn, the tear quickly terminates in a "knot" reducing further mold damage).
Technical Properties
Mix Ratio by Weight 100A:10B
Mix Ratio by Volume N/A
Pot Life 45 minutes
Cure Time 24 hours
Color Translucent
Shore Hardness 27A
Mixed Viscosity 30,000 cps
Shrinkage 0.002 in./in.
Specific Volume 25.0 cu. in./lb.
Specific Gravity 1.11g/cc
Useful Temperature (max)< 400¼F
Useful Temperature (min)< F
Tensile Strength 575 psi-65¼F
100% Modulus 65 psi
Elongation @ Break 400%
Die B Tear Strength 110 pli


Mold Max¨ 27T Silicone will reproduce the finest detail and is suitable for a variety of industrial and art related applications including making molds for reproducing prototypes, furniture, sculpture and architectural elements. Mold Max 27T translucent rubber is also ideal for creating animatronic skins and special effects using Silc Pig¨ silicone pigments.

Mold Max¨ 27T Silicone can be thickened with THI-VEX¨ II additive for brush-on applications. It can be used to cast a variety of materials including wax, gypsum, low melt alloys/metals and urethane, epoxy or polyester resins (without using a release agent).

Although not usually necessary, a release agent will make demolding easier when casting into or over most surfaces. Ease Release¨ 200 is a proven release agent for making molds with silicone rubber and for releasing new silicone from cured silicone.
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