Technical datasheet

DOW CORNING® C6-350LH

Supplied byDuPont- Last Updated on Mar 17, 2026

DOW CORNING® C6-350LH by DuPont is a flexible, non-blooming, platinum-catalyzed (1:1 by weight), pigmentable, cost-effective, peroxide-cured rubber silicone elastomer. It is available as a one-part kit part A & part B, mixed in equal portion by weight. Consists of cross-linked dimethyl & methyl-vinyl siloxane copolymers and reinforcing silica. It can be post-cured by heat. It does not contain peroxides & by-products, chlorophenyls or PCBs, organic plasticizers, phthalates or latex additives. Exhibits non-tacky surface and high consistency. DOW CORNING® C6-350LH is recommended for part fabrication and medical devices. Complies with US FDA 21 CFR 177.2600, USP (U.S. Pharmacopoeia) Class VI, European Pharmacopoeia closures and tubing tested for volatile matter & substances soluble in hexane. Also meets with ISO 10993-1 regulation for cytotoxicity, sensitization and irritation/ intracutaneous reactivity.
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DOW CORNING® C6-350LH properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
200% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Compression Set0.0 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 Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

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Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

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Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login

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