Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
TPE 7246 DUPONT USA
Hytrel®
Plate、film、building materials、Profile、Lighting fixtures
Antichemical、Aging resistance、Thermal stability
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
Density/specific gravity
ISO1183
g/cm³
1
Melt volume flow rate
240°C/2.16kg
ISO1133
cm3/10min
1
Melt mass flow rate
240°C/2.16kg
ISO1133
g/10min
1
Shrinkage rate
TD
ISO294-4
%
1
Shrinkage rate
MD
ISO294-4
%
1
Water absorption rate
23°C,24hr
ISO62
%
0
Water absorption rate
饱和,23°C,2.00mm
ISO62
%
0
Water absorption rate
平衡,23°C,2.00mm,50%RH
ISO62
%
0
Mechanical performance
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
Nominal tensile fracture strain
ISO527-2
%
5
abrasion resistance
ISO4649
mm³
1
Tensile modulus
ISO527-2
Mpa
5
Tensile creep modulus
1hr
ISO899-1
Mpa
3
Tensile creep modulus
1000hr
ISO899-1
Mpa
3
Tensile strain
屈服
ISO527-2
%
2
Tensile strain
断裂
ISO527-2
%
>
Tensile stress
屈服
ISO527-2
Mpa
2
Tensile stress
断裂
ISO527-2
Mpa
5
Tensile stress
5.0%应变
ISO527-2
Mpa
1
Tensile stress
10%应变
ISO527-2
Mpa
2
Tensile stress
50%应变
ISO527-2
Mpa
2
Bending modulus
ISO178
Mpa
5
Thermal performance
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
Glass transition temperature 3
ISO11357-2
°C
2
Brittle temperature
ISO974
°C
-
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
5
Melting temperature 3
ISO11357-3
°C
2
Vicat softening temperature
--
ISO306/A50
°C
2
Vicat softening temperature
--
ISO306/B50
°C
1
Linear coefficient of thermal expansion
MD
ISO11359-2
cm/cm/°C
1
Linear coefficient of thermal expansion
TD
ISO11359-2
cm/cm/°C
1
Linear coefficient of thermal expansion
EffectiveThermalDiffusivity
ISO11359-2
m²/s
8
Electrical performance
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
Surface resistivity
IEC60093
ohms
>
Dielectric strength
IEC60243-1
KV/mm
2
Leakage Trace Index
IEC60112
V
6
Volume resistivity
IEC60093
ohms·cm
2
elastomer
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
tear strength
横向流量
ISO34-1
kN/m
1
tear strength
流量
ISO34-1
kN/m
1
Impact performance
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
Charpy Notched Impact Strength
-40°C
ISO179/1eA
kJ/m²
7
Charpy Notched Impact Strength
-30°C
ISO179/1eA
kJ/m²
8
Charpy Notched Impact Strength
23°C
ISO179/1eA
kJ/m²
3
Tensile impact strength
23°C
ISO8256/1
kJ/m²
3
Impact strength of cantilever beam gap
-40°C
ISO180/1A
kJ/m²
7
Impact strength of cantilever beam gap
23°C
ISO180/1A
kJ/m²
3
flammability
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
Extreme Oxygen Index
ISO4589-2
%
2
Supplementary Information
Test Condition
Test Method
Unit
TPE/DUPONT USA/7246
EmissionofOrganicCompounds
VDA277
µgC/g
3