Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT 4820 TAIWAN CHANGCHUN
LONGLITE®
Automotive sector、Electronic field、Electrical field
Hydrolysis resistance、high strength、Glass fiber reinforced
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4820
Fiberglass content
CCP
%
2
Hot deformation temperature
-，18.6kg/cm
ASTM D648
°C
2
Hot deformation temperature
-，4.6kg/cm
ASTM D648
°C
2
melting point
DSC
°C
2
Moisture absorption rate
24h
ASTM D570
%
0
Mechanical performance
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4820
impact strength
ASTM D256
kg.cm/cm
5
tensile strength
ASTM D638
kg/cm
9
Rockwell hardness
ASTM D785
M-scale
9
flexural modulus
ASTM D790
kg/cm
≥
Flexural strength
ASTM D790
kg/cm
1
elongation
ASTM D638
%
2
Electrical performance
Test Condition
Test Method
Unit
PBT/TAIWAN CHANGCHUN/4820
Surface resistance rate
ASTM D257
Ω
＞
Dielectric constant
ASTM D150
60Hz
4
Insulation breakdown strength
ASTM D149
KV/mm
＞
Volume resistance rate
ASTM D257
Ω.cm
＞
Induced positive connection
ASTM D150
60Hz
0
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