Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PC/PBT KU2-7912/4 BK COVESTRO GERMANY
Makroblend®
film、Casters、shoes
wear resistant、High elasticity、Fast forming cycle
UL
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Plastic Datasheets
Physical Properties
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
Apparent Density
ISO60
g/cm³
0
Density / Specific Gravity
23°C
ISO1183
g/cm³
1
Melt Volume flow Rate
260°C/5.0kg
ISO1133
cm3/10min
1
Moisture Absorption
饱和,23°C
ISO62
%
0
Moisture Absorption
平衡,23°C,50%RH
ISO62
%
0
Mechanical Properties
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
Nominal Tensile Strain at Break
23°C
ISO527-2/50
%
>
Tensile Modulus
23°C
ISO527-2/1
Mpa
2
Tensile Strain
屈服,23°C
ISO527-2/50
%
4
Tensile Stress
屈服,23°C
ISO527-2/50
Mpa
5
Tensile Stress
断裂,23°C
ISO527-2/50
Mpa
4
Flexural Modulus
23°C
ISO178
Mpa
2
Flexural Strain
23°C
ISO178
%
5
Flexural Stress
23°C
ISO178
Mpa
7
Flexural Stress
3.5%Strain,23°C
ISO178
Mpa
6
Thermal Properties
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
23°C
ISO8302
W/m/K
0
Deflection Temperature Under Load?
0.45MPa,未退火
ISO75-2/B
°C
1
Deflection Temperature Under Load?
1.8MPa,未退火
ISO75-2/A
°C
8
Melting Temperature
ISO11357-3
°C
2
Vicat Softening Temperature
ISO306/B120
°C
1
Linear thermal expansion coefficient
MD：23到55°C
ISO11359-2
cm/cm/°C
9
Linear thermal expansion coefficient
TD：23to55°C
ISO11359-2
cm/cm/°C
9
Electrical performance
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
Surface Resistivity
IEC60093
ohms
>
Dielectric Strength
23°C,1.00mm
IEC60243-1
KV/mm
3
Comparative Tracking Index
解决方案A
IEC60112
V
5
Comparative Tracking Index
解决方案B
IEC60112
V
1
Volume Resistivity
23°C
IEC60093
ohms·cm
>
Impact Properties
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
Charpy Notched Impact Strength
-30°C
ISO179/1eA
kJ/m²
4
Charpy Notched Impact Strength
23°C
ISO179/1eA
kJ/m²
6
Notched Izod Impact Strength
-30°C
ISO180/A
kJ/m²
4
Notched Izod Impact Strength
-20°C
ISO180/A
kJ/m²
5
Notched Izod Impact Strength
23°C
ISO180/A
kJ/m²
6
hardness
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
Ball Indentation Hardness
ISO2039-1
Mpa
1
Flammability
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
Oxygen Index
ISO4589-2
%
2
Glow Wire Flammability Index
2.0mm
IEC60695-2-12
°C
7
Supplementary information
Test Condition
Test Method
Unit
PC/PBT/COVESTRO GERMANY/KU2-7912/4 BK
260°C
内部方法
Pa·s
6