Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT 4830 BKF JIANGSU CHANGCHUN
LONGLITE®
Switch panel、Connector、Automotive sector
Glass fiber reinforced、high strength、Flame retardant
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PBT/JIANGSU CHANGCHUN/4830 BKF
Water absorption
24h
ASTM D570
%
0
Mechanical performance
Test Condition
Test Method
Unit
PBT/JIANGSU CHANGCHUN/4830 BKF
IZOD notch impact strength
1/4”
ASTM D256
kg-cm/cm
8
tensile strength
ASTM D638
kg/cm2
1
tensile elongation
ASTM D638
%
3
Rockwell hardness
ASTM D785
R
1
Bending modulus
ASTM D790
kg/cm2
8
bending strength
ASTM D790
kg/cm2
1
Thermal performance
Test Condition
Test Method
Unit
PBT/JIANGSU CHANGCHUN/4830 BKF
Hot deformation temperature
18.6kg/cm2
ASTM D648
°C
2
Hot deformation temperature
4.6kg/cm2
ASTM D648
°C
2
melting point
DSC
°C
2
Linear expansion coefficient
ASTM D696
10-5cm/cm℃
3