Technical datasheet

13870

Supplied byWestlake- Last Updated on Jul 22, 2025

13870 by Westlake is a non-lead stabilized flexible polyvinyl chloride (PVC) grade. Offers good weatherable properties and good sunlight resistance of 720 hours. It is suitable for processing by extrusion. It is recommended for exterior building wire, appliance wire, and insulation applications that require UL, TW, and Class 43 certification. 13870 can service temperatures upto 75°C.
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13870 properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flash Point0.0 Visible After LoginVisible After LoginVisible After Login
Limiting Oxygen Index (LOI)0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
100% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 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

Physical properties

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Density0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

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Brittleness Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Decomposition Temperature0.0 Visible After LoginVisible After LoginVisible After Login

13870 Processing Guidelines

Extrusion Processing Guidelines

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Melt TemperatureVisible After LoginVisible After Login
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