Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PEEK L4000G EVONIK GERMANY
VESTAKEEP®
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Semi crystalline、Chemical resistance、Self extinguishing、high viscosity
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PEEK/EVONIK GERMANY/L4000G
Density/specific gravity
23°C
ISO1183
g/cm³
1
Melt volume flow rate
380°C/5.0kg
ISO1133
cm3/10min
1
Shrinkage rate 2
MD:180°C,2.00mm
ISO294-4
%
0
Shrinkage rate 2
TD:180°C,2.00mm
ISO294-4
%
1
Mechanical performance
Test Condition
Test Method
Unit
PEEK/EVONIK GERMANY/L4000G
Tensile modulus
ISO527-2
Mpa
3
Tensile strain
断裂
ISO527-2
%
3
Tensile strain
屈服
ISO527-2
%
5
Tensile stress
屈服
ISO527-2
Mpa
9
Thermal performance
Test Condition
Test Method
Unit
PEEK/EVONIK GERMANY/L4000G
Melting temperature 5
ISO11357-3
°C
3
Vicat softening temperature
--
ISO306/B
°C
3
Vicat softening temperature
--
ISO306/A
°C
3
Linear coefficient of thermal expansion
MD：23到55°C
ISO11359-2
cm/cm/°C
6
Electrical performance
Test Condition
Test Method
Unit
PEEK/EVONIK GERMANY/L4000G
Surface resistivity
IEC60093
ohms
1
Dielectric strength 4
IEC60243-1
KV/mm
1
Leakage Trace Index
解决方案A
IEC60112
V
2
Leakage Trace Index
SolutionA5
IEC60112
V
1
Volume resistivity
IEC60093
ohms·cm
1
Impact performance
Test Condition
Test Method
Unit
PEEK/EVONIK GERMANY/L4000G
Charpy Notched Impact Strength
23°C,完全断裂
ISO179/1eA
kJ/m²
7
Charpy Notched Impact Strength
-30°C,完全断裂
ISO179/1eA
kJ/m²
6
flammability
Test Condition
Test Method
Unit
PEEK/EVONIK GERMANY/L4000G
Hot filament ignition temperature
2.0mm
IEC60695-2-13
°C
8
Burning wire flammability index
2.0mm
IEC60695-2-12
°C
9