Technical datasheet

SURPREN™ SN121

Supplied bySundow Polymers- Last Updated on Apr 1, 2026

SURPREN™ SN121 by Sundow Polymers is a general purpose chloroprene rubber. It is obtained by sulfur modified and chloroprene monomer by emulsion polymerization. Contains talcum as a release agent. Possesses good physical, electrical, mechanical and plastication properties. Exhibits good processability, more mastication & mixing properties, smooth surface and smaller shrinkage. Provides good resistance to oil, heat, fire, chemical reagents, ozone aging and sunlight. Suitable for processing by extrusion. SURPREN™ SN121 by Sundow Polymers is designed for the production of mining conveyor belts, hoses, power transmission belts, seals, wire and cable jackets.
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SURPREN™ SN121 properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
500% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Ash Content0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation, Ultimate0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Mass Fraction of Volatiles0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time, St50.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Mooney0.0 Visible After LoginVisible After LoginVisible After Login

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