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
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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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