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Beijing Ranger Chem BLUESTAR® BS350 Acetal Copolymer

Category Polymer , Thermoplastic , Acetal (POM)
Manufacturer Beijing Ranger Chemical Co
Trade Name BLUESTAR®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Modified PBT Characteristics: Unreinforced grades have abundant strength and flexibility, and have strong characteristics against brittleness. UL-certified slow-burning (94HB) and self-extinguishing grades (94V-0, V-2) exist, and electrical properties exhibited are the highest of any thermoplastic. Low water absorption is exhibited, and excellent electrical properties (CTI and GWIT) are retained over extended periods of usages, even with widely varied temperature and humidity conditions. The surface of molded products is smooth, and a low coefficient of friction is exhibited. As the amount of friction is low, PBT is suitable for use in application requiring friction and wear properties. The material is exceptionally reliable, with small in-use dimensional variation, and superior molding stability and dimensional precision. Long-term chemical resistance is exceptional, and at room temperature, there is almost no degradation in properties after. Both unreinforced and reinforced grades exhibit exceptional flowability, and excellent processability.Application: VCD drive frames Connectors Trimmers Switch buttons for gas-fired instantaneous water heaters Relay blocks Driers Rectifiers Outer handles Height sensor cases Door mirror stays Drive component housings Energy saving lamp.Information provided by Beijing Ranger Chemical Co.
Physical Properties Metric English Comments
Density 1.41 g/cc
0.0509 lb/in³
ASTM D792
Water Absorption 0.22 %

@Temperature 23.0 °C,
Time 86400 sec
0.22 %

@Temperature 73.4 °F,
Time 24.0 hour
ASTM D570
Linear Mold Shrinkage 0.018 - 0.022 cm/cm
0.018 - 0.022 in/in
Melt Flow 35 g/10 min

@Load 2.16 kg,
Temperature 190 °C
35 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Rockwell M 80
80
ASTM D785
Tensile Strength, Yield 60.8 MPa
8820 psi
ASTM D638
Elongation at Break 40 %
40 %
ASTM D638
Flexural Strength 93.2 MPa
13500 psi
ASTM D790
Flexural Modulus 2.55 GPa
370 ksi
ASTM D790
Compressive Strength 31.4 MPa
4550 psi
1% deformation; ASTM D695
108 MPa
15600 psi
10% deformation; ASTM D695
Izod Impact, Notched 0.500 J/cm

@Temperature 23.0 °C
0.937 ft-lb/in

@Temperature 73.4 °F
50%RH; ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 110 °C
230 °F
ASTM D648
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