Celanese Crastin® SK601 BK851 PBT-GF10

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Celanese Crastin® SK601 BK851 PBT-GF10
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 10% Glass Fiber Filled
Material Notes:	10% Glass Reinforced Polybutylene Terephthalate Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Metric	English	Comments

Density	1.37 g/cc	0.0495 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0070 cm/cm	0.0070 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	80.0 MPa	11600 psi	ISO 527-1/-2
Elongation at Break	4.2 %	4.2 %	ISO 527-1/-2
Tensile Modulus	4.40 GPa	638 ksi	ISO 527-1/-2
Flexural Strength	140 MPa	20300 psi	ISO 178
Poissons Ratio	0.36	0.36
Izod Impact, Notched (ISO)	4.00 kJ/m² @Temperature 23.0 °C	1.90 ft-lb/in² @Temperature 73.4 °F	ISO 180/1A
Charpy Impact Unnotched	3.50 J/cm² @Temperature -30.0 °C	16.7 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
	3.50 J/cm² @Temperature 23.0 °C	16.7 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.500 J/cm² @Temperature 23.0 °C	2.38 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Comparative Tracking Index	250 V	250 V	IEC 60112

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)	180 °C	356 °F	ISO 75-1/-2
Glass Transition Temp, Tg	55.0 °C	131 °F	10°C/min; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	IEC 60695-11-10
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in	IEC 60695-11-10
Flame Spread	36.0 mm/min @Thickness 1.00 mm	1.42 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)
Oxygen Index	20 %	20 %	ISO 4589-1/-2

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
Back pressure	As low as possible
Drying Recommended	yes		Injection
Emission of organic compounds (µgC/g)	72		VDA 277
FMVSS Class	B		ISO 3795 (FMVSS 302)
Fogging (mg)	0.1		G-value (condensate); ISO 6452
Odor Class	3		VDA 270
Part Marking Code	>PBT-GF10<		ISO 11469
Polymer	PBT-GF10
Processing Hold Pressure Time (s/mm)	3		Injection
Resin Identification	PBT-GF10		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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PDSX5051 / 197691

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