POLYREX® PG-80

About
POLYREX® PG-80 is a General Purpose Polystyrene product. It is available in Africa & Middle East, Asia Pacific, Europe, Latin America, or North America. Characteristics include: Flame Rated RoHS Compliant High Strength&&

Product Description
SupplierCHI MEI
GenericPS (GPPS)
Material StatusCommercial: Active
FeaturesGood Rigidity,HB
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.05g/cm³ASTM D792
Density1.05g/cm³ISO 1183
Melt Flow Rate
200℃,5.0kg4.5g/10minASTM D1238
Melt Volume Rate
200℃,5 kg4.50cm³/10minISO 1133
Shrinkage rate0.40 to 0.70%ISO 294-4

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179
-30℃2.5kJ/m²ISO 179
23℃3.0kJ/m²ISO 179
Impact strength of cantilever beam notch ASTM D256
23℃,3.2mm18J/mASTM D256
23℃,6.4mm17J/mASTM D256
Impact strength of cantilever beam notch ISO 180/1A
-30℃1.8kJ/m²ISO 180-1A
23℃2.0kJ/m²ISO 180-1A

THERMALNominal valueUnitTest method
Vicat Softening Temp97.0ASTM D1525 6
Vicat Softening Temp 
A5096.0ISO 306/A50
B5092.0ISO 306
Linear coefficient of thermal expansion
MD5.0E-5 to 8.0E-51/℃ISO 11359-2
Hot deformation temperature ASTM D648
1.8 MPa, annealed94.0ISO 75-2/A
1.8 MPa, unannealed80.0ISO 75-2/A
annealing94ASTM D648
Unannealed84ASTM D648

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmHB UL 94

MECHANICALNominal valueUnitTest method
tensile strength
fracture45.0MPaISO 527-2/50
fracture49.0MPaASTM D638
Tensile strain
fracture5.0%ISO 527-2/50
fracture2.0%ASTM D638
Bending modulus3030MPaASTM D790
Bending modulus2400MPaISO 178
bending strength67.6MPaASTM D790
bending strength68.0MPaISO 178
Rockwell hardness
M-level80 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80°C
Drying time2.0 to 3.0hr
Barrel rear temperature160 to 180°C
Barrel middle temperature190 to 210°C
Barrel front temperature185 to 205°C
Mold temperature40 to 70°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. 23°C
3. 0.24 in/min
4. 0.11 in/min
5. 0.079 in/min
6. Rate A (50°C/h), Loading 1 (10 N)
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