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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
| thermal performance | Test Condition | Test Method | TAIWAN CHANGCHUN/4820 |
|---|---|---|---|
| Flame resistance | UL 94 | V-0 |
| mechanical properties | Test Condition | Test Method | TAIWAN CHANGCHUN/4820 |
|---|---|---|---|
| Bending modulus | ASTM D790 | ≥50000 kg/cm | |
| bending strength | ASTM D790 | 1400-1800 kg/cm | |
| Elongation at Break | ASTM D638 | 2.5-4.5 % | |
| Impact strength of cantilever beam gap | ASTM D256 | 5-8 kg.cm/cm | |
| Rockwell hardness | ASTM D785 | 93 M-scale | |
| tensile strength | ASTM D638 | 900-1200 kg/cm |
| Electrical performance | Test Condition | Test Method | TAIWAN CHANGCHUN/4820 |
|---|---|---|---|
| Dielectric constant | ASTM D150 | 4.5 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 | TAIWAN CHANGCHUN/4820 |
|---|---|---|---|
| density | ASTM D792 | 1.50-1.56 | |
| Fiberglass content | CCP | 20 % | |
| Hot deformation temperature | 4.6kg/cm | ASTM D648 | 220 °C |
| 18.6kg/cm | ASTM D648 | 205 °C | |
| Linear coefficient of thermal expansion | ASTM D696 | 4 10 | |
| Melting temperature | DSC | 225 °C | |
| Water absorption rate | 24h | ASTM D570 | 0.03 % |