Celanese Crastin® FR1301TC BK350 PBT-I-CD40FR(17)

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Celanese Crastin® FR1301TC BK350 PBT-I-CD40FR(17)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Metric	English	Comments

Density	1.67 g/cc	0.0603 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0050 cm/cm	0.0050 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.0040 cm/cm	0.0040 in/in	ISO 294-4, 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	39.0 MPa	5660 psi	ISO 527-1/-2
Elongation at Break	1.0 %	1.0 %	ISO 527-1/-2
Tensile Modulus	7.10 GPa	1030 ksi	ISO 527-1/-2
Flexural Strength	57.0 MPa	8270 psi	ISO 178
Flexural Modulus	8.30 GPa	1200 ksi	ISO 178
Poissons Ratio	0.35	0.35
Charpy Impact Unnotched	0.790 J/cm² @Temperature 23.0 °C	3.76 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.240 J/cm² @Temperature 23.0 °C	1.14 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+8 ohm-cm	1.00e+8 ohm-cm	tested at 2mm thickness and 10V; IEC 62631-3-1

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	18.0 µm/m-°C	10.0 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	28.0 µm/m-°C	15.6 µin/in-°F	ISO 11359-1/-2
Thermal Conductivity	10.0 W/m-K	69.4 BTU-in/hr-ft²-°F	In Plane; ASTM E 1461
	1.00 W/m-K @Thickness 0.300 mm	6.94 BTU-in/hr-ft²-°F @Thickness 0.0118 in	Through Plane; ASTM E 1461
Deflection Temperature at 0.46 MPa (66 psi)	197 °C	387 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	127 °C	261 °F	ISO 75-1/-2
Glass Transition Temp, Tg	55.0 °C	131 °F	10°C/min; ISO 11357-1/-2
Flammability, UL94	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 in	IEC 60695-11-10
Glow Wire Ignition Temperature	675 °C @Thickness 0.750 mm	1250 °F @Thickness 0.0295 in	IEC 60695-2-13
	675 °C @Thickness 1.50 mm	1250 °F @Thickness 0.0591 in	IEC 60695-2-13
	750 °C @Thickness 3.00 mm	1380 °F @Thickness 0.118 in	IEC 60695-2-13

Processing Properties	Metric	English	Comments
Melt Temperature	275 °C	527 °F	Optimum, Injection
	260 - 290 °C	500 - 554 °F	Range, Injection
Mold Temperature	110 °C	230 °F	Optimum, Injection
	100 - 120 °C	212 - 248 °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	Flame retardant
Back pressure	As low as possible
Drying Recommended	yes		Injection
Max. regrind level (%)	15		Injection
Part Marking Code	>PBT-I-CD40FR(17)<		ISO 11469
Polymer	PBT FR(17)...
Processing Hold Pressure Time (s/mm)	3		Injection
Resin Identification	PBT-I-CD40FR(17)		ISO 1043

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PDSX5015n / 254321

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