Celanese Crastin® FG6130 NC010 PBT

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Celanese Crastin® FG6130 NC010 PBT
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Unreinforced High Viscosity Polybutylene Terephthalate Developed for Food Contact Applications and Extrusion and Injection Molding Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.30 g/cc	ISO 1183
Melt Density	1.12 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
Viscosity Measurement	1.12	Intrinsic viscosity; ISO 307, 1157, 1628
Viscosity Number	130 cm³/g	ISO 307, 1157, 1628
Linear Mold Shrinkage, Flow	0.017 cm/cm	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.017 cm/cm	ISO 294-4, 2577
Melt Flow	15 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	59.0 MPa	ISO 527-1/-2
Elongation at Break	50 %	Nominal; ISO 527-1/-2
Elongation at Yield	8.0 %	ISO 527-1/-2
Tensile Modulus	2600 MPa	ISO 527-1/-2
Poissons Ratio	0.38
Izod Impact, Notched (ISO)	4.00 kJ/m² @Temperature 23.0 °C	ISO 180/1A
Charpy Impact Unnotched	NB @Temperature -30.0 °C	ISO 179/1eU
	NB @Temperature 23.0 °C	ISO 179/1eU
Charpy Impact, Notched	4.50 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
	5.00 kJ/m² @Temperature 23.0 °C	ISO 179/1eA
Tensile Creep Modulus, 1 hour	2500 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
Comparative Tracking Index	600 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	108 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	144 µm/m-°C	ISO 11359-1/-2
Specific Heat Capacity	2.05 J/g-°C @Temperature 250 °C	Melt
Thermal Conductivity	0.250 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
Vicat Softening Point	175 °C	50°C/h, 50N; ISO 306
Glass Transition Temp, Tg	55.0 °C	10°C/min; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 0.810 mm	IEC 60695-11-10
	HB @Thickness 1.50 mm	IEC 60695-11-10
Flame Spread	<= 80.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)
Oxygen Index	22 %	ISO 4589-1/-2

Processing Properties	Original Value	Comments
Melt Temperature	250 °C	Optimum, Injection
	250 °C	Optimum, Extrusion
	240 - 260 °C	Range, Extrusion
	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
	110 - 130 °C	Extrusion
Dry Time	2.00 - 4.00 hour	Extrusion, Dehumidified Dryer
	2.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.040 %	Extrusion
	<= 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)
Fogging (mg)	0.1	G-value (condensate); ISO 6452
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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PDSX5011 / 197651

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