Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
GPPS PS121 STYRON US
STYRON A-TECH
Shell、Audio and video media out、Disposable items、Mixed high impact polysty
Easy to process、Complies with UL94HB rati、Complies with US Food and
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
GPPS/STYRON US/PS121
Melt mass flow rate
200℃/5kg
ASTM D-1238
g/10min
Mechanical performance
Test Condition
Test Method
Unit
GPPS/STYRON US/PS121
Tensile fracture strength
ASTM D-638
Mpa
4
Tensile yield strength
ASTM D-638
Mpa
4
elongation
断裂
ASTM D-638
%
2
Bending modulus
ASTM D-790
Mpa
bending strength
ASTM D-790
Mpa
Impact strength of cantilever beam gap
23℃
ASTM D-256
J/m
Thermal performance
Test Condition
Test Method
Unit
GPPS/STYRON US/PS121
Hot deformation temperature
1.82MPa，未经退火
ASTM D-648
℃
7
Hot deformation temperature
1.82MPa，经退火
ASTM D-648
℃
9
vicat softening point
ASTM D-1525
℃
Linear coefficient of thermal expansion
10-5
cm/cm/℃
7.6
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