Celanese Crastin® LW9020 NC010 PBT+ASA-GF20

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Celanese Crastin® LW9020 NC010 PBT+ASA-GF20
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); PBT + ASA Blend, Glass Fiber Reinforced
Material Notes:	20% Glass Reinforced Polybutylene Terephthalate Blend with Low Warpage Characteristics Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.35 g/cc	ISO 1183
Melt Density	1.19 g/cc @Temperature 250 °C
Water Absorption	0.78 % @Thickness 2.00 mm	Sim. to ISO 62
Moisture Absorption	0.260 % @Thickness 2.00 mm	Sim. to ISO 62
Viscosity Measurement	0.93	Intrinsic viscosity; ISO 307, 1157, 1628
Linear Mold Shrinkage, Flow	0.0030 cm/cm	ISO 294-4, 2577
	0.0020 cm/cm @Treatment Temp. 80.0 °C, Time 173000 sec	Postmolding shrinkage; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0070 cm/cm	ISO 294-4, 2577
	0.0025 cm/cm @Treatment Temp. 80.0 °C, Time 173000 sec	Postmolding shrinkage; ISO 294-4
Melt Flow	15 g/10 min @Load 5.00 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	110 MPa	ISO 527-1/-2
Elongation at Break	2.9 %	ISO 527-1/-2
Tensile Modulus	7000 MPa	ISO 527-1/-2
Flexural Strength	170 MPa	ISO 178
Flexural Modulus	6300 MPa	ISO 178
Poissons Ratio	0.35
Izod Impact, Notched (ISO)	7.00 kJ/m² @Temperature -30.0 °C	ISO 180/1A
	8.00 kJ/m² @Temperature 23.0 °C	ISO 180/1A
Izod Impact, Unnotched (ISO)	50.0 kJ/m² @Temperature -30.0 °C	ISO 180/1U
	50.0 kJ/m² @Temperature 23.0 °C	ISO 180/1U
Charpy Impact Unnotched	43.0 kJ/m² @Temperature -30.0 °C	ISO 179/1eU
	60.0 kJ/m² @Temperature 23.0 °C	ISO 179/1eU
Charpy Impact, Notched	7.50 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
	9.50 kJ/m² @Temperature 23.0 °C	ISO 179/1eA
Tensile Creep Modulus, 1 hour	6500 MPa	1h; ISO 899-1
Tensile Creep Modulus, 1000 hours	4800 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+14 ohm	IEC 62631-3-2
Dielectric Constant	3.4 @Frequency 1e+6 Hz	IEC 62631-2-1
	3.7 @Frequency 100 Hz	IEC 62631-2-1
Dielectric Strength	35.0 kV/mm	IEC 60243-1
	20.0 kV/mm @Thickness 2.00 mm	20 s; IEC 60243-1
	35.0 kV/mm @Thickness 1.00 mm	Short Time; IEC 60243-1
Dissipation Factor	0.00201 @Frequency 100 Hz	IEC 62631-2-1
	0.018 @Frequency 1e+6 Hz	IEC 62631-2-1
Comparative Tracking Index	550 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	30.0 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	100 µm/m-°C	ISO 11359-1/-2
Specific Heat Capacity	1.85 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
Hot Ball Pressure Test	190 °C	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	210 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	150 °C	ISO 75-1/-2
Vicat Softening Point	145 °C	50°C/h, 50N; ISO 306
Glass Transition Temp, Tg	120 °C	10°C/min; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 0.750 mm	IEC 60695-11-10
	HB @Thickness 1.50 mm	IEC 60695-11-10
Flame Spread	38.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)
Oxygen Index	19 %	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
Additives	Release agent
Back pressure	As low as possible
Drying Recommended	yes	Injection
Emission of organic compounds (µgC/g)	100	VDA 277
FMVSS Class	B	ISO 3795 (FMVSS 302)
Odor Class	3.5	VDA 270
Part Marking Code	>PBT+ASA-GF20<	ISO 11469
Polymer	(PBT+ASA)-GF20
Processing Hold Pressure Time (s/mm)	3	Injection
Resin Identification	PBT+ASA-GF20	ISO 1043

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PDSX5026 / 197666

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