Technical datasheet

Mold Max® XLS® II

Supplied bySmooth-On- Last Updated on May 7, 2025

Mold Max® XLS® II by SmoothOn is a tin-catalyzed silicone rubber with extra low-shrinkage. It cures at room temperature. It can be thickened with THI-VEX® additive for brush-on applications. Suitable for casting concrete, wax, gypsum, low melt alloys/ metals, epoxy or polyester resins and urethane foams. Designed for industrial and art related applications including production molds for reproducing prototypes, furniture, sculpture and architectural elements. Mold Max® XLS® II is mixed 100A:10B solution by weight.
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Benefits

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Availability

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Mold Max® XLS® II properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Dielectric Constant0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Strength0.0 Visible After LoginVisible After LoginVisible After Login
Dissipation Factor0.0 Visible After LoginVisible After LoginVisible After Login
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login

Flammability properties

PropertiesValue & unitTest conditionTest method
Flash Point0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
100% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Cure time0.0 Visible After LoginVisible After LoginVisible After Login
Density0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Pot Life0.0 Visible After LoginVisible After LoginVisible After Login
Specific Volume0.0 Visible After LoginVisible After LoginVisible After Login
Specific Volume0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
Low/ High Boiling Point0.0 Visible After LoginVisible After LoginVisible After Login
Maximum Service Temperature, Air0.0 Visible After LoginVisible After LoginVisible After Login
Thermal Conductivity0.0 Visible After LoginVisible After LoginVisible After Login

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