DuPont Performance Polymers Crastin® LW9020FR BK851 PBT (Unverified Data**)

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Manufacturer
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	DuPont Performance Polymers Crastin® LW9020FR BK851 PBT (Unverified Data**).pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Crastin® LW9020FR BK851 is a 20% glass fiber reinforced, flame retardant, black polybutylene terephthalate alloy for injection molding. It has improved surface aesthetics, excellent dimensional stability and low warpage characteristics.Information provided by DuPont Performance Polymers

Physical Properties	Metric	English	Comments
Density	1.50 g/cc	0.0542 lb/in³	ISO 1183
Filler Content	20 %	20 %

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	100 MPa @Temperature 23.0 °C	14500 psi @Temperature 73.4 °F	ISO 527
Elongation at Break	2.0 % @Temperature 23.0 °C	2.0 % @Temperature 73.4 °F	ISO 527
Tensile Modulus	7.80 GPa @Temperature 23.0 °C	1130 ksi @Temperature 73.4 °F	ISO 527
Flexural Strength	140 MPa @Temperature 23.0 °C	20300 psi @Temperature 73.4 °F	ISO 178
Izod Impact, Notched (ISO)	5.50 kJ/m² @Temperature 23.0 °C	2.62 ft-lb/in² @Temperature 73.4 °F	ISO 180/1A
Charpy Impact Unnotched	3.50 J/cm² @Temperature 23.0 °C	16.7 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.650 J/cm² @Temperature 23.0 °C	3.09 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	225 °C	437 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 1.8 MPa (264 psi)	170 °C	338 °F	ISO 75-1/-2
UL RTI, Electrical	140 °C @Thickness 0.750 mm	284 °F @Thickness 0.0295 in	UL 746B
	140 °C @Thickness 1.50 mm	284 °F @Thickness 0.0591 in	UL 746B
	140 °C @Thickness 3.00 mm	284 °F @Thickness 0.118 in	UL 746B
	140 °C @Thickness 6.00 mm	284 °F @Thickness 0.236 in	UL 746B
UL RTI, Mechanical with Impact	115 °C @Thickness 1.50 mm	239 °F @Thickness 0.0591 in	UL 746B
	115 °C @Thickness 0.750 mm	239 °F @Thickness 0.0295 in	UL 746B
	120 °C @Thickness 6.00 mm	248 °F @Thickness 0.236 in	UL 746B
	120 °C @Thickness 3.00 mm	248 °F @Thickness 0.118 in	UL 746B
UL RTI, Mechanical without Impact	120 °C @Thickness 0.750 mm	248 °F @Thickness 0.0295 in	UL 746B
	120 °C @Thickness 1.50 mm	248 °F @Thickness 0.0591 in	UL 746B
	130 °C @Thickness 3.00 mm	266 °F @Thickness 0.118 in	UL 746B
	130 °C @Thickness 6.00 mm	266 °F @Thickness 0.236 in	UL 746B
Flammability, UL94	V-0 @Thickness 6.00 mm	V-0 @Thickness 0.236 in	IEC 60695-11-10
	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 in	IEC 60695-11-10
	V-0 @Thickness 3.00 mm	V-0 @Thickness 0.118 in	IEC 60695-11-10
	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 in	UL94
	V-0 @Thickness 3.00 mm	V-0 @Thickness 0.118 in	UL94
	V-0 @Thickness 6.00 mm	V-0 @Thickness 0.236 in	UL94

Processing Properties	Metric	English	Comments
Melt Temperature	250 °C	482 °F	Optimum
	240 - 260 °C	464 - 500 °F
Mold Temperature	80.0 °C	176 °F	optimum
	30.0 - 130 °C	86.0 - 266 °F
Drying Temperature	110 - 130 °C	230 - 266 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour
Moisture Content	<= 0.040 %	<= 0.040 %

Descriptive Properties	Value	Comments
Appearance	Black Color
Drying Recommended	Yes
Features	Appearance, Pleasing Surface
	Chemical Resistance, Good
	Dimensional Stability, Good
	Flame Retardant
	Moisture Absorption, Low
	Processability, Good
	Warp Resistant
	Warpage, Low
Filler	Glass fiber reinforcement
Forms	Pellets
Generic	PBT Alloy
Material Status	Current
Part Marking Code	>PBT+ASA-GF20FR(17)<	ISO 11469
Polymer Family	Polyester
Polymer Type	PBT
Processing Method	Injection Molding
Product Category	Flame Retardant Resins
	Glass Reinforced Resins
	Low Warp Resins
Region Available - Global	Yes
Resin Identification	PBT+ASA-GF20FR(17)	ISO 1043
RoHS Compliance	Contact Manufacturer
Uses	Housings
	Industrial Applications

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