CET® 251 DB is a SBS/SMMA Alloy polymer. It is processed by using injection molding.

Polymer Name: SBS/SMMA Alloy

Processing Methods: Injection Molding

Density: 1050.0 - 1050.0 kg/m³

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Identification & Functionality

Chemical Family
Polymer Name
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Properties

Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Yield27MPaASTM D 638
Tensile Strength at Break23MPaASTM D 638
Tensile Modulus (0.2 in/min (5 mm/min))820MPaASTM D638
Elongation at Break43%ASTM D 638
Yield Elongation3%ASTM D638
Izod Unnotched Impact Strength (0.125 in / 3.175 mm)220J/mASTM D256
Physical Properties
ValueUnitsTest Method / Conditions
Melt Flow Rate - MFR (200°C/5.0 Kg)7g/10 minASTM D1238
Density1.05g/cm3ISO 1183/A
Thermal Properties
ValueUnitsTest Method / Conditions
Heat Deflection Temperature - HDT (264 psi, Unannealed)74°CASTM D648
Vicat Temperature99°CASTM D 1525
Optical Properties
ValueUnitsTest Method / Conditions
Haze2.8%ASTM D 1003
Light Transmittance90%ASTM D 1003
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Rear Temperature170-180°C
Front Temperature200-210°C
Maximum Recommended Temperature250°C
Center Temperature180-190°C