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Ultradur® B 4500

Category:	PBT , Polybutylene Terephthalate
Manufacturer:	BASF Corporation
Trademark:	Ultradur®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	LvSD9l_Ultradur-B-4500.pdf
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Medium-viscosity grade for the production of extruded cast films and thin-walled profiles and pipes.

General Information
Features	Medium Viscosity
Uses	Cast Film Piping Profiles
Agency Ratings	EC 1907/2006 (REACH)
RoHS Compliance	RoHS Compliant
Appearance	Natural Color
Forms	Pellets
Processing Method	Cast Film Injection Molding Pipe Extrusion Profile Extrusion
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) Specific Volume vs Temperature (ISO 11403-2) Viscosity vs. Shear Rate (ISO 11403-2)
Resin ID (ISO 1043)	PBT

Physical	Nominal Value	Unit	Test Method
Density	1.30	g/cm³	ISO 1183
Apparent Density	0.70 to 0.80	g/cm³
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg)	21.0	cm³/10min	ISO 1133
Molding Shrinkage			ISO 294-4
Across Flow	1.9	%
Flow	1.6	%
Water Absorption			ISO 62
Saturation, 23°C	0.50	%
Equilibrium, 23°C, 50% RH	0.25	%
Viscosity Number ¹	130	cm³/g	ISO 307
Mold Shrinkage ²
free, longitudinal	1.5	%
free, transverse	1.5	%

Thermal	Nominal Value	Unit	Test Method
Maximum Service Temperature - short cycle operation	200	°C
Temperature Index - at 50% loss of tensile strength			IEC 60216
-- ³	140	°C
-- ⁴	120	°C

Additional Information	Nominal Value		Test Method
Automotive Materials (> 1.00 mm)	Passed		FMVSS 302
ISO Type	PBT, E+F+MGHLN, 13-030		ISO 7792

Hardness	Nominal Value	Unit	Test Method
Ball Indentation Hardness (H 358/30)	130	MPa	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	2500	MPa	ISO 527-2
Tensile Stress (Yield)	55.0	MPa	ISO 527-2/50
Tensile Strain (Yield)	3.7	%	ISO 527-2/50
Nominal Tensile Strain at Break	> 50	%	ISO 527-2/50
Tensile Creep Modulus ⁵(1000 hr)	1200	MPa	ISO 899-1
Flexural Modulus	2300	MPa	ISO 178
Flexural Stress	85.0	MPa	ISO 178

Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength			ISO 179/1eA
-30°C	4.0	kJ/m²
23°C	5.2	kJ/m²
Charpy Unnotched Impact Strength (23°C)	No Break		ISO 179/1eU

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
0.45 MPa, Unannealed	165	°C	ISO 75-2/B
1.8 MPa, Unannealed	65.0	°C	ISO 75-2/A
Melting Temperature	223	°C	ISO 11357-3
CLTE - Flow (23 to 80°C)	1.3E-4 to 1.6E-4	cm/cm/°C	ISO 11359-2
Specific Heat	1500	J/kg/°C
Thermal Conductivity	0.27	W/m/K	DIN 52612

Electrical	Nominal Value	Unit	Test Method
Surface Resistivity	1.0E+13	ohms	IEC 60093
Volume Resistivity	1.0E+16	ohms·cm	IEC 60093
Relative Permittivity			IEC 60250
100 Hz	3.30
1 MHz	3.30
Dissipation Factor			IEC 60250
100 Hz	1.0E-3
1 MHz	0.020
Comparative Tracking Index			IEC 60112
Solution A	550	V
Solution B	450	V

Flammability	Nominal Value	Unit	Test Method
Flammability Classification			IEC 60695-11-10, -20
0.400 mm	HB
1.60 mm	HB

Injection	Nominal Value	Unit
Processing (Melt) Temp	250 to 275	°C
Mold Temperature	40.0 to 70.0	°C

Extrusion	Nominal Value	Unit
Melt Temperature	250 to 275	°C

Note Message
1 .	solution 0,005 g/ml Phenole/1,2 Dichlorbenzol 1:1
2 .	plate with film gate 1501503 mm³
3 .	5000 h
4 .	20000 h
5 .	strain <= 0,5%, 23°C

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