High Impact Polystyrene HIPS

CAS No.: 9003-55-8

Characteristics

_ Medium Impact Grade

_ Medium Impact Strength

_ Low Residual Monomer

_ Good Heat Resistance

_ Base Color Stability

_ Good Transparency

_ Easy Processing

_ High Flow

_ High Gloss

Applications

PC peripheral appliances, electrical appliances, stationery.

Physical Properties

Properties

ASTM method

Test Condition

Unit

Typical Value

Specific Gravity

D542

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1.046

Melt Flow Index

D1238

200°C,5 kg load

g/10 min

4.6

Tensile Strength at Yield

D638

23°C,1/8” Sample

kg/cm2

300

Elongation at Break

D638

23°C,1/8” Sample

%

40

Izod Impact Strength

D256

23°C,A method,notched1/8”×1/2”×5/2”

kg/m2

9.5

Vicat Softening Temperature

D1525

1 kg load,3 mm Thick ( 120°C/hr )

°C

97

Flammability

UL-94

1/16” Sample

File No.E50263

94HB

Residual SM monomer

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ppm

<300

Yellow Index

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-6