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Ultradur? B 4520

Manufacturer: BASF
Produced At: Europe / China
Product Category: PBT
Product No: Ultradur B4520
Product Quantity: 25KG / BAG
Product Features: Medium Viscosity

Product information

Ultradur? B 4520

Polybutylene Terephthalate

BASF Corporation

Product Description:

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.

Uses	Appliance Components、Business EquipmentHousings
Agency Ratings	EC 1907/2006 (REACH)
RoHS Compliance	RoHS Compliant
Forms	Pellets
Processing Method	Injection Molding
Multi-Point Data	Isothermal Stress vs. Strain (ISO 11403-1)Secant Modulus vs. Strain (ISO 11403-1)Shear Modulus vs. Temperature (ISO 11403-1)Specific Volume vs Temperature (ISO 11403-2)Viscosity vs. Shear Rate (ISO 11403-2)

Physical	Nominal Value	Unit	Test Method
Density / Specific Gravity
--	1.30		ASTM D792
--	1.30	g/cm3	ISO 1183
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg)	1.16	in3/10min	ISO 1133
Molding Shrinkage - Flow (0.125 in)	0.015	in/in
Water Absorption
Saturation	0.50	%	ASTM D570
Saturation, 73°F	0.50	%	ISO 62
Equilibrium, 50% RH	0.25	%	ASTM D570
Equilibrium, 73°F, 50% RH	0.25	%	ISO 62
Viscosity Number (Reduced Viscosity)	130.0	ml/g	ISO 1628

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	363000	psi	ISO 527-2
Tensile Strength
Yield, 73°F	8700	psi	ASTM D638, ISO 527-2
Yield, -40°F	13600	psi	ISO 527-2
Yield, 176°F	3190	psi	ISO 527-2
Yield, 248°F	2610	psi	ISO 527-2
Tensile Elongation (Yield, 73°F)	3.7	%	ASTM D638, ISO 527-2
Nominal Tensile Strain at Break (73°F)	> 50	%	ISO 527-2
Tensile Creep Modulus			ISO 899-1
1 hr	261000	psi
1000 hr	174000	psi
Flexural Modulus
73°F	334000	psi	ASTM D790
73°F	348000	psi	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength			ISO 179
-22°F	1.4	ft·lb/in2
73°F	2.9	ft·lb/in2
Charpy Unnotched Impact Strength (73°F)	No Break		ISO 179
Notched Izod Impact			ASTM D256
-40°F	0.69	ft·lb/in
73°F	0.81	ft·lb/in

Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load
66 psi, Unannealed	325	°F	ASTM D648
66 psi, Unannealed	329	°F	ISO 75-2/B
264 psi, Unannealed	140	°F	ASTM D648, ISO 75-2/A
Peak Melting Temperature	433	°F	ASTM D3418, ISO 3146
CLTE - Flow	8.1E-5	in/in/°F
RTI Elec			UL 746
0.030 in	266	°F
0.06 in	266	°F
0.11 in	266	°F
RTI Imp			UL 746
0.030 in	266	°F
0.06 in	266	°F
0.11 in	266	°F
RTI Str			UL 746
0.030 in	284	°F
0.06 in	284	°F
0.11 in	284	°F

Electrical	Nominal Value	Unit	Test Method
Surface Resistivity
0.0591 in	1.0E+13	ohms	ASTM D257
--	1.0E+13	ohms	IEC 60093
Volume Resistivity
0.0591 in	> 1.0E+15	ohms·cm	ASTM D257
--	> 1.0E+15	ohms·cm	IEC 60093
Dielectric Constant			IEC 60250
100 Hz	3.40
1 MHz	3.30
Dissipation Factor			IEC 60250
100 Hz	2.0E-3
1 MHz	0.020
Comparative Tracking Index	550	V	IEC 60112
Flammability	Nominal Value	Unit	Test Method
Flame Rating			UL 94
0.030 in	HB
0.06 in	HB
0.11 in	HB

Injection	Nominal Value	Unit
Drying Temperature	212 to 248	°F
Drying Time	4.0	hr
Suggested Max Moisture	0.040	%
Processing (Melt) Temp	482 to 518	°F
Mold Temperature	104 to 176	°F
Injection Pressure	508 to 1810	psi
Injection Rate	Fast
Back Pressure	< 145	psi

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Ultradur? B 4520

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