Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT 4830 BKF TAIWAN CHANGCHUN
LONGLITE®
Switch panel、Laptop case、Automotive sector
Glass fiber reinforced、high strength、Flame retardant
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Plastic Datasheets
Mechanical performance
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4830 BKF
tensile strength
ASTM D638/ISO 527
kg/cm²(MPa)[Lb/in²]
1
Bending modulus
ASTM D790/ISO 178
kg/cm²(MPa)[Lb/in²]
8
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
8
Tensile elongation at break (elongation at break)
ASTM D638/ISO 527
%
3
Thermal performance
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4830 BKF
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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