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Ultradur® B 4300 G4

Category:	PBT , Polybutylene Terephthalate
Manufacturer:	BASF Corporation
Trademark:	Ultradur®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	wnOs6w_Ultradur-B-4300-G4.pdf
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Ultradur B 4300 G4 is an easy flowing injection molding PBT with 20% glass fiber reinforcement for rigid, tough, and dimensionally stable parts. Applications Typical applications include car door handles, housings for small electric motors, headlight retainers and drum controllers.

General Information
Filler / Reinforcement	Glass Fiber, 20% Filler by Weight
Features	Good Dimensional Stability Good Flow Good Toughness High Rigidity
Uses	Automotive Applications Electric Motor Housings Handles
Agency Ratings	EC 1907/2006 (REACH)
RoHS Compliance	RoHS Compliant
Forms	Pellets
Processing Method	Injection Molding
Multi-Point Data	Creep Modulus vs. Time (ISO 11403-1) Isochronous Stress vs. Strain (ISO 11403-1) Isothermal Stress vs. Strain (ISO 11403-1) Secant Modulus vs. Strain (ISO 11403-1) Viscosity vs. Shear Rate (ISO 11403-2)

Physical	Nominal Value	Unit	Test Method
Specific Gravity	1.45	g/cm³	ASTM D792, ISO 1183
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg)	14.0	cm³/10min	ISO 1133
Molding Shrinkage
Flow : 3.18 mm	0.30	%
Across Flow	1.2	%	ISO 294-4
Flow	0.43	%	ISO 294-4
Water Absorption
Saturation	0.40	%	ASTM D570
Saturation, 23°C	0.40	%	ISO 62
Equilibrium, 50% RH	0.20	%	ASTM D570
Equilibrium, 23°C, 50% RH	0.20	%	ISO 62
Viscosity Number (Reduced Viscosity)	109.0	ml/g	ISO 1628

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (23°C)	7100	MPa	ISO 527-2
Tensile Strength
Break, 23°C	120	MPa	ASTM D638, ISO 527-2
Break, -40°C	173	MPa	ISO 527-2
Tensile Elongation (Break, 23°C)	3.0	%	ASTM D638, ISO 527-2
Flexural Modulus
23°C	6140	MPa	ASTM D790
23°C	6300	MPa	ISO 178

Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength (23°C)	8.0	kJ/m²	ISO 179
Charpy Unnotched Impact Strength			ISO 179
-30°C	54	kJ/m²
23°C	58	kJ/m²
Notched Izod Impact (23°C)	64	J/m	ASTM D256

Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load
0.45 MPa, Unannealed	220	°C	ASTM D648, ISO 75-2/B
1.8 MPa, Unannealed	205	°C	ASTM D648, ISO 75-2/A
Peak Melting Temperature	223	°C	ASTM D3418, ISO 3146
CLTE - Flow	3.5E-5	cm/cm/°C
RTI Elec			UL 746
0.750 mm	130	°C
1.50 mm	130	°C
3.00 mm	130	°C
RTI Imp			UL 746
0.750 mm	125	°C
1.50 mm	125	°C
3.00 mm	125	°C
RTI Str			UL 746
0.750 mm	130	°C
1.50 mm	130	°C
3.00 mm	140	°C

Electrical	Nominal Value	Unit	Test Method
Surface Resistivity ¹	1.0E+13	ohms	ASTM D257, IEC 60093
Volume Resistivity
1.50 mm	> 1.0E+13	ohms·cm	ASTM D257
--	> 1.0E+13	ohms·cm	IEC 60093
Dielectric Constant			IEC 60250
100 Hz	3.70
1 MHz	3.70
Dissipation Factor			IEC 60250
100 Hz	1.2E-3
1 MHz	0.015
Comparative Tracking Index	300	V	IEC 60112

Flammability	Nominal Value	Unit	Test Method
Flame Rating			UL 94
1.50 mm	HB
3.00 mm	HB

Injection	Nominal Value	Unit
Drying Temperature	100 to 120	°C
Drying Time	4.0	hr
Suggested Max Moisture	0.040	%
Processing (Melt) Temp	250 to 270	°C
Mold Temperature	60.0 to 100	°C
Injection Pressure	3.50 to 12.5	MPa
Injection Rate	Fast
Back Pressure	< 1.00	MPa

Note Message
1 .	1.5 mm

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