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DuPont Performance Polymers Crastin® SK645FR BK851 Polybutylene Terephthalate (PBT)  (Unverified Data**)&l

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Manufacturer DuPont Performance Polymers
Trade Name Crastin®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Performance Polymers Crastin® SK645FR BK851 Polybutylene Terephthalate (PBT)  (Unverified Data**)&l.pdf
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Material Notes:
30% Glass Reinforced Flame Retardant Polybutylene Terephthalate Crastin SK645FR BK851 is a flame retardant 30% glass reinforced black polybutylene terephthalate molding resin. It is recognized as UL94V-0 at 0.75mm.Information provided by DuPont Performance Polymers
Physical Properties Metric English Comments
Density 1.69 g/cc
0.0611 lb/in³
ISO 1183
Viscosity 110800 cP

@Shear Rate 5000 1/s,
Temperature 260 °C
110800 cP

@Shear Rate 5000 1/s,
Temperature 500 °F
ISO 11403-1 -2
124700 cP

@Shear Rate 5000 1/s,
Temperature 250 °C
124700 cP

@Shear Rate 5000 1/s,
Temperature 482 °F
ISO 11403-1 -2
141400 cP

@Shear Rate 5000 1/s,
Temperature 240 °C
141400 cP

@Shear Rate 5000 1/s,
Temperature 464 °F
ISO 11403-1 -2
348200 cP

@Shear Rate 500 1/s,
Temperature 260 °C
348200 cP

@Shear Rate 500 1/s,
Temperature 500 °F
ISO 11403-1 -2
405300 cP

@Shear Rate 500 1/s,
Temperature 250 °C
405300 cP

@Shear Rate 500 1/s,
Temperature 482 °F
ISO 11403-1 -2
473400 cP

@Shear Rate 500 1/s,
Temperature 240 °C
473400 cP

@Shear Rate 500 1/s,
Temperature 464 °F
ISO 11403-1 -2
Linear Mold Shrinkage, Flow 0.0040 cm/cm
0.0040 in/in
ISO 294-4 2577
Linear Mold Shrinkage, Transverse 0.012 cm/cm
0.012 in/in
ISO 294-4 2577
Mechanical Properties Metric English Comments
Tensile Strength at Break 114 MPa
16500 psi
ISO 527-1/-2
Elongation at Break 2.6 %
2.6 %
ISO 527-1/-2
Tensile Modulus 10.33 GPa
1498 ksi
ISO 527-1/-2
Flexural Strength 180 MPa
26100 psi
ISO 178
Charpy Impact Unnotched 5.00 J/cm²
23.8 ft-lb/in²
ISO 179/1eU
Charpy Impact, Notched 0.800 J/cm²
3.81 ft-lb/in²
ISO 179/1eA
Thermal Properties Metric English Comments
Melting Point 225 °C
437 °F
10°C/min; ISO 11357-1/-3
Flammability, UL94 V-0

@Thickness 0.800 mm
V-0

@Thickness 0.0315 in
IEC 60695-11-10
Descriptive Properties Value Comments
Part Marking Code >PBT-GF30 FR(17)<
ISO 11469
Processing Injection Moulding
Regional Availability Asia Pacific
Europe
Global
Near East/Africa
North America
South and Central America
Resin Identification PBT-GF30(17)
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