Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT 4830 ZHANGZHOU CHANGCHUN
LONGLITE®
Automotive sector,Switch panel,Laptop case
Glass fiber reinforced,high strength,Flame retardant
UL
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Plastic Datasheets
| thermal performance | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4830 |
|---|---|---|---|
| Flame resistance | UL 94 | V-0 | |
| Hot deformation temperature | 18.6kg/cm | ASTM D648 | 208（220） °C |
| Linear coefficient of thermal expansion | ASTM D696 | 3 | |
| Melting temperature | DSC | 225 °C |
| mechanical properties | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4830 |
|---|---|---|---|
| Bending modulus | ASTM D790 | ≥7000 kg/cm | |
| bending strength | ASTM D790 | 1500-2300 kg/cm | |
| Elongation at Break | ASTM D638 | 2.5-4.5 % | |
| Impact strength of cantilever beam gap | ASTM D256 | 7-11 kg.cm/cm | |
| Rockwell hardness | ASTM D785 | 94 M-scale | |
| tensile strength | ASTM D638 | 1000-1400 kg/cm |
| Electrical performance | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4830 |
|---|---|---|---|
| Dielectric constant | ASTM D150 | 3 60Hz | |
| Dielectric strength | ASTM D149 | ＞20 KV/mm | |
| Induced positive connection | ASTM D150 | 0.001 60Hz | |
| Volume resistivity | ASTM D257 | ＞10 Ω | |
| ASTM D257 | ＞10 Ω.cm |
| Physical properties | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4830 |
|---|---|---|---|
| Fiberglass content | CCP | 30 % | |
| Water absorption rate | ASTM D570 | 0.03 % |