Products

Ultradur® B 4520

Ultradur® B 4520

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

Ultradur® B 4520

Polybutylene Terephthalate
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


Products are widely used in plastic modification, automotive, construction, electrical and electronic, industrial, daily necessities and other fields


Consultation

Shanghai Langqi Plastic Materials Co., Ltd.   沪ICP备12022668号 公安机关备案号：31011202003696

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