Celanese Crastin® PC164 NC010 PBT

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Celanese Crastin® PC164 NC010 PBT
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Unreinforced Low Viscosity Polybutylene Terephthalate Developed for the Healthcare Industry Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.31 g/cc	ISO 1183
Melt Density	1.11 g/cc @Temperature 250 °C
Water Absorption	0.40 % @Thickness 2.00 mm	Sim. to ISO 62
Moisture Absorption	0.200 % @Thickness 2.00 mm	Sim. to ISO 62
Linear Mold Shrinkage, Flow	0.016 cm/cm	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.016 cm/cm	ISO 294-4, 2577
Melt Flow	33 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	55.0 MPa	ISO 527-1/-2
Elongation at Break	30 %	Nominal; ISO 527-1/-2
Elongation at Yield	4.0 %	ISO 527-1/-2
Tensile Modulus	2400 MPa	ISO 527-1/-2
Poissons Ratio	0.38
Charpy Impact Unnotched	NB @Temperature 23.0 °C	ISO 179/1eU
Charpy Impact, Notched	4.00 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
	4.00 kJ/m² @Temperature 23.0 °C	ISO 179/1eA
Tensile Creep Modulus, 1 hour	2600 MPa	1h; ISO 899-1
Tensile Creep Modulus, 1000 hours	1800 MPa	1000h; ISO 899-1

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	IEC 62631-3-1
Surface Resistance	1.00e+12 ohm	IEC 62631-3-2
Dielectric Strength	26.0 kV/mm	IEC 60243-1
Dissipation Factor	0.0020 @Frequency 100 Hz	IEC 62631-2-1
	0.020 @Frequency 1e+6 Hz	IEC 62631-2-1

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	120 µm/m-°C	ISO 11359-1/-2
Specific Heat Capacity	2.11 J/g-°C @Temperature 250 °C	Melt
Thermal Conductivity	0.210 W/m-K @Temperature 250 °C	Melt
Melting Point	225 °C	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	115 °C	ISO 75-1/-2
	180 °C	Annealed; ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	50.0 °C	ISO 75-1/-2
	60.0 °C	Annealed; ISO 75-1/-2
Glass Transition Temp, Tg	55.0 °C	10°C/min; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 1.50 mm	IEC 60695-11-10
Oxygen Index	22 %	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
Part Marking Code	>PBT<	ISO 11469
Polymer	PBT
Processing Hold Pressure Time (s/mm)	4	Injection
Resin Identification	PBT	ISO 1043

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PDSX5038 / 197678

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