Celanese Crastin® HR5315HF BK503 PBT-IGF15

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Celanese Crastin® HR5315HF BK503 PBT-IGF15
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Material Notes:	15% Glass Reinforced, Hydrolysis Resistant, Polybutylene Terephthalate Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.37 g/cc	ISO 1183
Melt Density	1.14 g/cc @Temperature 250 °C
Water Absorption	0.080 % @Time 86400 sec	Immersion; Sim. to ISO 62
Linear Mold Shrinkage, Flow	0.0050 cm/cm	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.011 cm/cm	ISO 294-4, 2577
Melt Flow	23 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	117	ISO 2039-2
Tensile Strength at Break	92.0 MPa	ISO 527-1/-2
Elongation at Break	3.4 %	ISO 527-1/-2
Tensile Modulus	5200 MPa	ISO 527-1/-2
Flexural Modulus	4700 MPa	ISO 178
Poissons Ratio	0.35
Izod Impact, Notched (ISO)	6.00 kJ/m² @Temperature -40.0 °C	ISO 180/1A
	10.0 kJ/m² @Temperature 23.0 °C	ISO 180/1A
Izod Impact, Unnotched (ISO)	40.0 kJ/m² @Temperature 23.0 °C	ISO 180/1U
Charpy Impact Unnotched	50.0 kJ/m² @Temperature 23.0 °C	ISO 179/1eU
Charpy Impact, Notched	6.00 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
	10.0 kJ/m² @Temperature 23.0 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	IEC 62631-3-1
Surface Resistance	1.00e+14 ohm	IEC 62631-3-2
Dielectric Constant	3.7 @Frequency 1e+6 Hz	IEC 62631-2-1
	3.8 @Frequency 100 Hz	IEC 62631-2-1
Dielectric Strength	36.0 kV/mm	IEC 60243-1
Dissipation Factor	0.0023 @Frequency 100 Hz	IEC 62631-2-1
	0.0178 @Frequency 1e+6 Hz	IEC 62631-2-1
Comparative Tracking Index	300 V	IEC 60112

Thermal Properties	Original Value	Comments
Melting Point	225 °C	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	220 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	200 °C	ISO 75-1/-2
Glass Transition Temp, Tg	65.0 °C	10°C/min; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 0.750 mm	IEC 60695-11-10
Flame Spread	32.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)
Oxygen Index	20 %	ISO 4589-1/-2

Processing Properties	Original Value	Comments
Melt Temperature	250 °C	Optimum, Injection
	240 - 260 °C	Range, Injection
Mold Temperature	80.0 °C	Optimum, Injection
	30.0 - 130 °C	Injection
Ejection Temperature	170 °C	Injection
Drying Temperature	120 °C	Injection
Dry Time	2.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.040 %	Injection
Hold Pressure	>= 60.0 MPa	Injection

Descriptive Properties
Back pressure	As low as possible
Drying Recommended	yes	Injection
FMVSS Class	B	ISO 3795 (FMVSS 302)
Part Marking Code	>PBT-IGF15<	ISO 11469
Polymer	PBT-I-GF15
Processing Hold Pressure Time (s/mm)	3	Injection
Resin Identification	PBT-IGF15	ISO 1043

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PDSX5017 / 197657

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