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TPSC Asia Pte Ltd. HIPS 2551

TPSC Asia Pte Ltd. HIPS 2551 is a high heat resistant, high rigidity polystyrene for injection molding application. It is recommended for manufacturing of articles which require good stiffness.

Polymer Name: High Impact Polystyrene (HIPS)

Processing Methods: Injection Molding

Melt Flow Index: 6.0 - 6.0 g/10 min

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Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Notched Izod Impact Strength7.5kJ/m2D-256
Tensile Strength at Yield33MPaD-638
Elongation at Break40%D-638
Flexural Modulus2500MPaD-790
Rockwell HardnessR99D-785
Typical Properties
ValueUnitsTest Method / Conditions
Notched Izod Impact Strength7.5kJ/m2D-256
Tensile Strength at Yield33MPaD-638
Elongation at Break40%D-638
Flexural Modulus2500MPaD-790
Rockwell Hardness99Scale RD-785
Thermal Properties
ValueUnitsTest Method / Conditions
Vicat Softening Point 10N (T increase = 50 °C/h)373KD-1525
Heat Distortion Temperature355KD-648
Coefficient of Linear Thermal Expansion (10-5)0.00905m/KD-696
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Strength150000kV/mD-149
Surface ResistivityMin. 10e+13Ohms -1
Miscellaneous Properties
ValueUnitsTest Method / Conditions
Density1040kg/m3D-792
Mold Shrinkage0.4 - 0.7%D-955
Water Absorption0.07%D-570
Injection Molding
ValueUnitsTest Method / Conditions
Barrel Temperature, Zone 1150 - 180°C
Barrel Temperature, Zone 2170 - 210°C
Barrel Temperature, Zone 3190 - 230°C
Barrel Temperature, Zone 4200 - 240°C
Barrel Temperature, Nozzle210 -250°C
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Flow Index (200 °C - 5 kg) 10.006kg/ 10 minD-1238
Spiral Flow at 220°C0.46mD-3123