Description:
HI830 is a high impact grade of polystyrene resin for extrusion process with good impact resistance. It is recommended for food packaging, vacuum sheet, household products, and sanitary ware. It also meets the requirement of food contact regulation.
Physical Properties: |
Method |
Unit |
Value |
Melt Flow Index (5 kg/200⁰C) |
ASTM D1238 |
g/10min. |
3.0 |
Izod Notched Impact (1/4″, 23⁰C) |
ASTM D256 |
Kg-cm/cm |
12 |
Tensile Strength at Yield (23⁰C) |
ASTM D638 |
kg/cm2 |
218 |
Flexural Strength at Yield (23⁰C) |
ASTM D790 |
kg/cm2 |
422 |
Flexural Modulus (23⁰C) |
ASTM D790 |
×104kg/cm2 |
2.18 |
Rockwell Hardness (1/4″, 23⁰C) |
ASTM D785 |
L-Scale |
82 |
Heat Distortion Temperature (1/4″, 18.6 kg/cm2) |
ASTM D648 |
⁰C |
90 |
Vicat Softening Temperature (1/8″, kg) |
ASTM D1525 |
⁰C |
96 |
Flammability |
UL-94 |
– |
HB (3.0) |
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