Technical datasheet

Adflex KS 021 P

Supplied byLyondellBasell- Last Updated on Mar 26, 2026

Adflex KS 021 P by LyondellBasell is a water insoluble thermoplastic olefin elastomer manufactured using the company's proprietary Catalloy process technology. Possesses good flexibility, good shape retention and exhibits good chemical-, high cold impact-, low temperature impact resistance and high environmental stress cracking resistance (ESCR). Is suitable for processing by extrusion flat die, blown film, calendering and extrusion thermoforming. Adflex KS 021 P is recommended for automotive color-matched interior trim applications, film, toys, sports and leisure. Adflex KS 021 P by LyondellBasell complies with EU 1935/2004/EC (framework regulation), EU 2023/2006/EC (GMP), EU 10/2011/EC (PIM), US CONEG, meets the FDA requirements of 21 CFR 177.1520(a)(3)(iii) and 21 CFR 177.1520(c)(3.4), EU Packaging and Packaging Waste directive 94/62/EC and automotive specifications Chrysler MS-DB590 CPN 3900, Ford WSS M4D777-A8, GM GMW15072-170020.
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Adflex KS 021 P properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Yield0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore D0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Impact Strength, Multiaxial0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Multiaxial0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

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