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A. Schulman ComAlloy Hiloy® 421 Polyester - PBT, Glass/Mineral Reinforced

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Glass + Mineral Filled
Manufacturer A. Schulman ComAlloy
Trade Name Hiloy®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF A. Schulman ComAlloy Hiloy® 421 Polyester - PBT, Glass/Mineral Reinforced.pdf
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Material Notes:
Data provided by the manufacturer, ComAlloy International Company.45% Glass/Mineral Reinforced.The ComAlloy product line has been integrated into the A Schulman product line.
Physical Properties Metric English Comments
Density 1.69 g/cc
0.0611 lb/in³
Linear Mold Shrinkage 0.0040 cm/cm
0.0040 in/in
ASTM D955
Mechanical Properties Metric English Comments
Hardness, Rockwell R 116
116
ASTM D785
Tensile Strength, Ultimate 74.0 MPa
10700 psi
ASTM D638
Elongation at Break 4.2 %
4.2 %
ASTM D638
Flexural Strength 124 MPa
18000 psi
ASTM D790
Flexural Modulus 8.60 GPa
1250 ksi
ASTM D790
Izod Impact, Notched 0.480 J/cm
0.899 ft-lb/in
ASTM D256
Izod Impact, Unnotched 3.26 J/cm
6.11 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
Melting Point 210 - 225 °C
410 - 437 °F
Deflection Temperature at 0.46 MPa (66 psi) 220 °C
428 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 199 °C
390 °F
ASTM D648
Processing Properties Metric English Comments
Middle Barrel Temperature 235 - 249 °C
455 - 480 °F
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