Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT 4830 TAIWAN CHANGCHUN
LONGLITE®
Automotive sector、Switch panel、Laptop case
Glass fiber reinforced、high strength、Flame retardant
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4830
Molding shrinkage rate
ASTM D955
%
0
Water absorption rate 23 ℃/24h
ASTM D570/ISO 62
%
0
Mechanical performance
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4830
elongation at break
ASTM D638/ISO 527
%
2
tensile strength
ASTM D638/ISO 527
kg/cm²(MPa)[Lb/in²]
1
Bending modulus
ASTM D790/ISO 178
kg/cm²(MPa)[Lb/in²]
≥
bending strength
ASTM D790/ISO 178
kg/cm²(MPa)[Lb/in²]
1
IZOD notch impact strength
ASTM D256/ISO 179
kg·cm/cm(J/M)ft·lb/in
7
Thermal performance
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4830
Hot deformation temperature
ASTM D648/ISO 75
℃（℉）
2
Hot deformation temperature
ASTM D648/ISO 75
℃（℉）
2
Linear expansion coefficient
ASTM D696/ISO 11359
mm/mm.℃
3
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