DuPont Mobility and Materials Crastin® T843FR BK851 PBTC-GF20FR(17)

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DuPont Mobility and Materials Crastin® T843FR BK851 PBTC-GF20FR(17) (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Material Notes:	20% Glass Reinforced, Flame Retardant, Toughened, Polybutylene Terephthalate While this product line has been acquired by Celanese, this specific grade had been disconued while still a DuPont product so it is listed here as a discontinued DuPont product.
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Physical Properties	Metric	English	Comments

Density	1.59 g/cc	0.0574 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0050 cm/cm	0.0050 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.011 cm/cm	0.011 in/in	ISO 294-4, 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	87.0 MPa	12600 psi	ISO 527-1/-2
Elongation at Break	4.0 %	4.0 %	ISO 527-1/-2
Tensile Modulus	5.80 GPa	841 ksi	ISO 527-1/-2
Flexural Strength	142 MPa	20600 psi	ISO 178
Poissons Ratio	0.35	0.35	ISO 527-1/-2
Izod Impact, Notched (ISO)	8.00 kJ/m² @Temperature 23.0 °C	3.81 ft-lb/in² @Temperature 73.4 °F	ISO 180/1A
Charpy Impact Unnotched	5.50 J/cm² @Temperature 23.0 °C	26.2 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.900 J/cm² @Temperature 23.0 °C	4.28 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm	IEC 62631-3-1
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 62631-3-2
Dielectric Constant	4.7 @Frequency 1e+6 Hz	4.7 @Frequency 1e+6 Hz	IEC 62631-2-1
	5.2 @Frequency 100 Hz	5.2 @Frequency 100 Hz	IEC 62631-2-1
Dissipation Factor	0.0198 @Frequency 100 Hz	0.0198 @Frequency 100 Hz	IEC 62631-2-1
	0.0277 @Frequency 1e+6 Hz	0.0277 @Frequency 1e+6 Hz	IEC 62631-2-1
Comparative Tracking Index	225 V	225 V	IEC 60112

Thermal Properties	Metric	English	Comments
Melting Point	205 °C	401 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 1.8 MPa (264 psi)	180 °C	356 °F	ISO 75-1/-2
Flammability, UL94	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
Oxygen Index	31 %	31 %	ISO 4589-1/-2

Processing Properties	Metric	English	Comments
Melt Temperature	250 °C	482 °F	Injection Optimum
	240 - 260 °C	464 - 500 °F	Injection
Mold Temperature	80.0 °C	176 °F	Injection Optimum
	30.0 - 130 °C	86.0 - 266 °F	Injection
Ejection Temperature	150 °C	302 °F
Drying Temperature	120 °C	248 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour	Dehumidified Dryer
Moisture Content	0.040 %	0.040 %
Hold Pressure	60.0 MPa	8700 psi

Descriptive Properties
Additives	Lubricants
Back pressure	As low as possible
Drying Recommended	yes
FMVSS Class	DNI		ISO 3795 (FMVSS 302)
Hold pressure time (s/mm)	3
Part Marking Code	PBTC-GF20FR(17)		ISO 11469
Processing	Injection Molding
Regional Availability	Asia Pacific
	Europe
	Global
	Near East/Africa
	North America
	South and Central America
Resin Identification	PBTC-GF20FR(17)		ISO 1043

**
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PDSX5078 / 197718

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