Technical datasheet

Alcryn® 4680 NC

Supplied byLyondellBasell- Last Updated on Aug 1, 2025

Alcryn® 4680 NC by LyondellBasell is a melt processable rubber. It exhibits medium flow, ozone resistance, high heat resistance and weather resistance. This grade offers UV resistance, noise damping, oil resistance and vibration damping. It contains UV stabilizer additive. It is processed by blow molding, extrusion, compression molding, calendering and injection molding. Alcryn® 4680 NC is recommended for cable jacketing, handles, seals, fabrics, hose, tubing, engineering parts, weatherstripping, gaskets, sheets and wire jacketing applications. It complies with RoHS and EU 2002/96/EC (WEEE) regulations.
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Alcryn® 4680 NC properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Clash-Berg Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Compression Set0.0 Visible After LoginVisible After LoginVisible After Login
Compression Set0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Hardness0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Set0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Abrasion0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Rheological0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

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Density0.0 Visible After LoginVisible After LoginVisible After Login
Fluid Resistance0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

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Brittleness Temperature0.0 Visible After LoginVisible After LoginVisible After Login

Alcryn® 4680 NC Processing Guidelines

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