Technical datasheet

ESPOLEX® 3255 BLACK

Supplied bySumitomo Chemical- Last Updated on Aug 6, 2025

ESPOLEX® 3255 BLACK by Sumitomo Chemical is a recyclable, high performance, semi-rigid, thermoplastic polyolefinic elastomer (TPE) which can be blended with polyethylene (PE) and polypropylene (PP). It shows rubber-like elasticity and feeling. It offers resistance to heat-, ozone-, UV-, chemicals-, polar solvents-, acids-, alkali-, water-, mineral oil-, gasoline- and aromatic hydrocarbon type products. It is suitable for processing by injection molding. ESPOLEX® 3255 BLACK is used in automotive exterior (side molding, mudguard, weather stripping) applications.
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ESPOLEX® 3255 BLACK properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
100% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 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
Tensile Strength at Break0.0 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
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
Brittleness Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Temperature Resistance0.0 Visible After LoginVisible After LoginVisible After Login

ESPOLEX® 3255 BLACK Processing Guidelines

Injection Processing Guidelines

PropertiesValue & unitTest conditionTest method
Cylinder Bottom TemperatureVisible After LoginVisible After Login
Cylinder Top TemperatureVisible After LoginVisible After Login

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Cylinder Center TemperatureVisible After LoginVisible After Login
Cylinder Nozzle TemperatureVisible After LoginVisible After Login
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