Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT SK605 BK851 DUPONT KOREA
Crastin®
Electronic and electrical、Industrial applications、Structural components、Automotive Applications、Automotive Applications
Glass fiber reinforced、Filler: Glass fiber reinf、30% by weight ratio)、30% filler by weight、Good strength、Good hardness (glass fibe、30% by weight ratio)、30% filler by weight、Good strength、Good hardness (glass fibe
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PBT/DUPONT KOREA/SK605 BK851
Density/specific gravity
ISO1183
g/cm³
1
Melt volume flow rate
250°C/2.16kg
ISO1133
cm3/10min
7
Melt mass flow rate
ISO1133
g/10min
1
Shrinkage rate
TD
ISO294-4
%
1
Shrinkage rate
MD
ISO294-4
%
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
Stickiness number
ISO307
cm³/g
1
Mechanical performance
Test Condition
Test Method
Unit
PBT/DUPONT KOREA/SK605 BK851
TensileCreepModule
1hr
ISO899-1
Mpa
9
Low temperature notch impact strength
J/m
101
A
Across Flow
23℃
%
2.6
A
Non notched impact strength
-，23℃
J/m
998
A
Non notched impact strength
-，-40℃
J/m
1120
A
compressive strength
5 mm/min, 3.20 mm, 23 ℃
MPa
202
A
Tensile modulus
23℃
MPa
10000
A
Tensile modulus
ISO527-2
Mpa
1
tensile strength
23℃
MPa
140
A
Tensile creep modulus
1000hr
ISO899-1
Mpa
6
Tensile strain
断裂
ISO527-2
%
2
Tensile stress
断裂
ISO527-2
Mpa
1
Gap impact strength
-，23℃
J/m
112
A
Gap impact strength
-，-40℃
J/m
101
A
Bending modulus
23℃
MPa
8970
A
Bending modulus
ISO178
Mpa
9
Bending stress
ISO178
Mpa
2
Thermal performance
Test Condition
Test Method
Unit
PBT/DUPONT KOREA/SK605 BK851
Hot deformation temperature
-，1.8Mpa,未退火
℃
205
A
Hot deformation temperature
0.45MPa,未退火
ISO75-2/B
°C
2
Hot deformation temperature
1.8MPa,未退火
ISO75-2/A
°C
2
melting point
℃
225
Melting temperature 2
ISO11357-3
°C
2
Vicat softening temperature
ISO306/B50
°C
2
Linear coefficient of thermal expansion
MD
ISO11359-2
cm/cm/°C
3
Linear coefficient of thermal expansion
TD
ISO11359-2
cm/cm/°C
9
Linear coefficient of thermal expansion
垂直流动方向，73 to 130°F (23 to 55℃)
cm/cm/℃
0.000090
A
Linear coefficient of thermal expansion
平行流动方向，73 to 130°F (23 to 55℃)
cm/cm/℃
0.000030
A
Electrical performance
Test Condition
Test Method
Unit
PBT/DUPONT KOREA/SK605 BK851
Surface resistivity
IEC60093
ohms
>
Dielectric strength
IEC60243-1
KV/mm
3
Leakage Trace Index
IEC60112
V
4
Volume resistivity
IEC60093
ohms·cm
>
Impact performance
Test Condition
Test Method
Unit
PBT/DUPONT KOREA/SK605 BK851
Charpy Notched Impact Strength
-40°C
ISO179/1eA
kJ/m²
1
Charpy Notched Impact Strength
-30°C
ISO179/1eA
kJ/m²
1
Charpy Notched Impact Strength
23°C
ISO179/1eA
kJ/m²
1
Impact strength of simply supported beam without notch
-40°C
ISO179/1eU
kJ/m²
7
Impact strength of simply supported beam without notch
-30°C
ISO179/1eU
kJ/m²
7
Impact strength of simply supported beam without notch
23°C
ISO179/1eU
kJ/m²
7
Unscented Izod impact strength
-40°C
ISO180/1U
kJ/m²
5
Unscented Izod impact strength
-30°C
ISO180/1U
kJ/m²
5
Unscented Izod impact strength
23°C
ISO180/1U
kJ/m²
6
Impact strength of cantilever beam gap
-40°C
ISO180/1A
kJ/m²
1
Impact strength of cantilever beam gap
-30°C
ISO180/1A
kJ/m²
1
Impact strength of cantilever beam gap
23°C
ISO180/1A
kJ/m²
1
flammability
Test Condition
Test Method
Unit
PBT/DUPONT KOREA/SK605 BK851
Fogging-F-value
refraction
ISO6452
%
9
Extreme Oxygen Index
ISO4589-2
%
1
Burning rate 3
1.00mm
ISO3795
mm/min
4
Supplementary Information
Test Condition
Test Method
Unit
PBT/DUPONT KOREA/SK605 BK851
EmissionofOrganicCompounds
VDA277
µgC/g
1