Celanese Crastin® LW9320LM BK591 PBT+SAN-GF20

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Celanese Crastin® LW9320LM BK591 PBT+SAN-GF20
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	20% Glass Reinforced Laser Markable Polybutylene Terephthalate Blend with Low Warpage Characteristics Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Metric	English	Comments

Density	1.35 g/cc	0.0488 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0010 cm/cm @Treatment Temp. 80.0 °C, Time 173000 sec	0.0010 in/in @Treatment Temp. 176 °F, Time 48.0 hour	Postmolding shrinkage; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0020 cm/cm @Treatment Temp. 80.0 °C, Time 173000 sec	0.0020 in/in @Treatment Temp. 176 °F, Time 48.0 hour	Postmolding shrinkage; ISO 294-4

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	120 MPa	17400 psi	ISO 527-1/-2
Elongation at Break	2.3 %	2.3 %	ISO 527-1/-2
Tensile Modulus	7.50 GPa	1090 ksi	ISO 527-1/-2
Flexural Modulus	7.00 GPa	1020 ksi	ISO 178
Poissons Ratio	0.34	0.34
Izod Impact, Unnotched (ISO)	45.0 kJ/m² @Temperature -40.0 °C	21.4 ft-lb/in² @Temperature -40.0 °F	ISO 180/1U
	45.0 kJ/m² @Temperature 23.0 °C	21.4 ft-lb/in² @Temperature 73.4 °F	ISO 180/1U
Charpy Impact Unnotched	4.00 J/cm² @Temperature -30.0 °C	19.0 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
	4.50 J/cm² @Temperature 23.0 °C	21.4 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.700 J/cm² @Temperature 23.0 °C	3.33 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	220 °C	428 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 1.8 MPa (264 psi)	165 °C	329 °F	ISO 75-1/-2
Glass Transition Temp, Tg	110 °C	230 °F	10°C/min; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in	IEC 60695-11-10
Flame Spread	59.0 mm/min @Thickness 1.00 mm	2.32 in/min @Thickness 0.0394 in	DS; ISO 3795 (FMVSS 302)

Processing Properties	Metric	English	Comments
Melt Temperature	250 °C	482 °F	Optimum, Injection
	240 - 260 °C	464 - 500 °F	Range, Injection
Mold Temperature	80.0 °C	176 °F	Optimum, Injection
	30.0 - 130 °C	86.0 - 266 °F	Injection
Ejection Temperature	170 °C	338 °F	Injection
Drying Temperature	120 °C	248 °F	Injection
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.040 %	<= 0.040 %	Injection
Hold Pressure	>= 60.0 MPa	>= 8700 psi	Injection

Descriptive Properties
Additives	Release agent
Back pressure	As low as possible
Drying Recommended	yes		Injection
FMVSS Class	B		ISO 3795 (FMVSS 302)
Part Marking Code	>PBT+SAN-GF20<		ISO 11469
Polymer	(PBT+SAN)-I-GF20
Processing Hold Pressure Time (s/mm)	3		Injection
Resin Identification	PBT+SAN-GF20		ISO 1043

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PDSX5035 / 197675

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