Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT B4520 BK BASF GERMANY
Ultradur®
Wire and cable、Home appliance components、Business equipment、Shell、Tank
Medium viscosity、Resistance to stress crac
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PBT/BASF GERMANY/B4520 BK
Density/specific gravity
ISO1183
g/cm³
1
Melt volume flow rate
250°C/2.16kg
ISO1133
cm3/10min
8
Shrinkage rate
TD
ISO294-4
%
2
Shrinkage rate
MD
ISO294-4
%
2
Stickiness 2
ISO307
cm³/g
1
Mechanical performance
Test Condition
Test Method
Unit
PBT/BASF GERMANY/B4520 BK
Nominal tensile fracture strain
ISO527-2/50
%
1
Tensile modulus
ISO527-2
Mpa
2
Tensile strain
屈服
ISO527-2/50
%
5
Tensile stress
屈服
ISO527-2/50
Mpa
6
Bending modulus
ISO178
Mpa
2
Bending stress
ISO178
Mpa
9
Thermal performance
Test Condition
Test Method
Unit
PBT/BASF GERMANY/B4520 BK
Hot deformation temperature
0.45MPa,未退火
ISO75-2/B
°C
1
Hot deformation temperature
1.8MPa,未退火
ISO75-2/A
°C
6
Melting temperature
ISO11357-3
°C
2
Linear coefficient of thermal expansion
MD：23到80°C
ISO11359-2
cm/cm/°C
9
Impact performance
Test Condition
Test Method
Unit
PBT/BASF GERMANY/B4520 BK
Charpy Notched Impact Strength
-30°C
ISO179/1eA
kJ/m²
2
Charpy Notched Impact Strength
23°C
ISO179/1eA
kJ/m²
3
Impact strength of simply supported beam without notch
-30°C
ISO179/1eU
kJ/m²
5
Impact strength of simply supported beam without notch
23°C
ISO179/1eU
kJ/m²
2