Ultradur® B 4520

About
Ultradur B 4520 is a medium viscosity, rapidly freezing injection molding grade. Applications Typical applications include chassis and housings for home appliances, office and sewing machines, and coil formers.&&

Product Description
Supplier	BASF
Generic	polybutylene terephthalate
Material Status	Commercial: Active
Features	HB
Availabilitys	North America,Asia Pacific,Europe
Process Methods	Injection Molding

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.30	g/cm³	ASTM D792
Density	1.30	g/cm³	ISO 1183
Melt Volume Rate
250℃，2.16 kg	19.0	cm³/10min	ISO 1133
Shrinkage rate
MD：3.2 mm	1.5	%
Water absorption rate
Saturation, 23 ℃	0.50	%	ISO 62
saturated	0.50	%	ASTM D570
Equilibrium, 23 ℃, 50% RH	0.25	%	ISO 62
Balance, 50% RH	0.25	%	ASTM D570
Viscosity value
Reduced viscosity	130.0	ml/g	ISO 1628

MECHANICAL	Nominal value	Unit	Test method
Tensile modulus
23℃	2500	MPa	ISO 527-2
tensile strength			ISO 527-2
Yield, 23 ℃	60.0	MPa	ASTM D638
Yield, -40 ℃	94.0	MPa	ISO 527-2
Yield, 23 ℃	60.0	MPa	ISO 527-2
Yield, 80 ℃	22.0	MPa	ISO 527-2
Yield, 120 ℃	18.0	MPa	ISO 527-2
Tensile strain
Yield, 23 ℃	3.7	%	ISO 527-2
Yield, 23 ℃	3.7	%	ASTM D638
Nominal tensile fracture strain
23℃	> 50	%	ISO 527-2
Tensile Creep Modulus（1 hr）	1800	MPa	ISO 899-1
Tensile creep modulus
1000 hr	1200	MPa	ISO 899-1
Bending modulus
23℃	2400	MPa	ISO 178
23℃	2300	MPa	ASTM D790

IMPACT	Nominal value	Unit	Test method
Charpy Notched Impact Strength			ISO 179
-30℃	3.0	kJ/m²	ISO 179
23℃	6.0	kJ/m²	ISO 179
Charpy Unnotch Impact strength
23℃	No Break		ISO 179
Impact strength of cantilever beam notch			ASTM D256
-40℃	37	J/m	ASTM D256
23℃	43	J/m	ASTM D256

THERMAL	Nominal value	Unit	Test method
Hot deformation temperature
1.8 MPa, unannealed	60.0	℃	ISO 75-2/A
1.8 MPa, unannealed	60.0	℃	ASTM D648
0.45 MPa, unannealed	165	℃	ISO 75-2/B
0.45 MPa, unannealed	163	℃	ASTM D648
Melting peak temperature	223	℃	ASTM D3418
Melting temperature
DSC	223	℃	ISO 3146
Linear coefficient of thermal expansion
MD	1.5E-4	1/℃
Relative temperature index
Electrical performance			UL 746
0.75 mm	130	℃	UL 746
Strength mechanical performance			UL 746
1.5 mm	130	℃	UL 746
Impact mechanical performance			UL 746
2.8 mm	130	℃	UL 746
0.75 mm	130	℃	UL 746
1.5 mm	130	℃	UL 746
2.8 mm	130	℃	UL 746
0.75 mm	140	℃	UL 746
1.5 mm	140	℃	UL 746
2.8 mm	140	℃	UL 746

Electrical performance	Nominal value	Unit	Test method
Surface resistivity	1.0E+13	ohms	IEC 60093
1.5 mm	1.0E+13	ohms	ASTM D257
Volume resistivity	> 1.0E+13	ohms·cm	IEC 60093
1.50 mm	> 1.0E+13	ohms·cm	ASTM D257
Dielectric constant			IEC 60250
100 Hz	3.40		IEC 60250
1 MHz	3.30		IEC 60250
Dissipation factor			IEC 60250
100 Hz	2.0E-3		IEC 60250
1 MHz	0.020		IEC 60250
Compared to the leakage tracing index	550	V	IEC 60112

FLAME CHARACTERISTICS	Nominal value	Test method
Flame retardant level		UL 94
0.75 mm	HB	UL 94
1.50 mm	HB	UL 94
2.80 mm	HB	UL 94

Process Conditions
injection	Nominal value	Unit	Test method
Drying temperature	100 to 120	°C
Drying time	4.0	hr
Recommended maximum moisture content	0.040	%
Processing (melt) temperature	250 to 270	°C
Mold temperature	40 to 80	°C
Injection pressure	3.50 to 12.5	MPa
Injection speed	Fast
Back pressure	< 1.00	MPa

Notes
1. Typical properties: these are not to be construed as specifications.
【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.

Notes

1. Typical properties: these are not to be construed as specifications.

【 Disclaimer 】
Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.