Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT 4820 NCB ZHANGZHOU CHANGCHUN
LONGLITE®
Automotive sector、Electronic field、Electrical field
Hydrolysis resistance、high strength、Glass fiber reinforced
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Plastic Datasheets
| Mechanical properties | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4820 NCB |
|---|---|---|---|
| tensile strength | ASTM D638 | 900-1200 kg/cm | |
| bending strength | ASTM D790 | 1500-2000 kg/cm | |
| Impact strength of cantilever beam gap | ASTM D256 | 5-8 kg.cm/cm | |
| elongation at break | ASTM D638 | 2.5-4.5 % | |
| Rockwell hardness | ASTM D785 | 93 M-scale | |
| Flexural modulus | ASTM D790 | ≥50000 kg/cm |
| Electrical performance | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4820 NCB |
|---|---|---|---|
| dielectric constant | ASTM D150 | 4.5 60Hz | |
| Volume resistivity | ASTM D257 | ＞10 Ω | |
| dielectric strength | 2mm | ASTM D149 | ＞20 KV/mm |
| Volume resistivity | ASTM D257 | ＞10 Ω.cm | |
| Induced positive connection | ASTM D150 | 0.001 60Hz |
| physical property | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4820 NCB |
|---|---|---|---|
| Water absorption rate | 24h | ASTM D570 | 0.03 % |
| Glass Fiber Content | CCP | 20 % |
| Thermal performance | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4820 NCB |
|---|---|---|---|
| flame resistance | UL 94 | V-0 | |
| Heat distortion temperature | 18.6kg/cm，HDT | ASTM D648 | 205（220） °C |
| melting temperature | DSC | 225 °C | |
| Linear coefficient of thermal expansion | ASTM D696 | 4 |
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