Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT SK605 BK851 DUPONT USA
Cristin®
Electronic and electrical、Automotive Applications
Glass fiber reinforced、Filler: Glass fiber reinf、30% filler by weight、Filler, glass fiber reinf
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PBT/DUPONT USA/SK605 BK851
density
ASTM D-792
23/23℃
1
Melt index
条件G
ASTM D-1238
g/10min
5
Melt index
条件I
ASTM D-1238
g/10min
2
Mechanical performance
Test Condition
Test Method
Unit
PBT/DUPONT USA/SK605 BK851
Rockwell hardness
ASTM D-785
M
8
elongation
ASTM D-638
%
3
Flexural elasticity
ASTM D-790
10kg/cm2(10lb/in2)
3
bending strength
ASTM D-790
kg/cm2(lb/in2)
9
Tensile strength
ASTM D-638
kg/cm2(lb/in2)
7
IZOD impact strength
1/4〃
ASTM D-256
kg.cm/cm(ft.ld/in)
1
IZOD impact strength
1/8〃
ASTM D-256
kg.cm/cm(ft.ld/in)
1
Thermal performance
Test Condition
Test Method
Unit
PBT/DUPONT USA/SK605 BK851
Hot deformation temperature
ASTM D-785
℉
9
Hot deformation temperature
ASTM D-785
℃
1
Vicat softening temperature
ASTM D-1525
℃（℉）
1