Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates

PBT 4120-104F TAIWAN CHANGCHUN
LONGLITE®
Automotive sector,Laptop case,Home appliance components,Electronic field,Electrical field
wear resistant,high strength,Flame retardant,Glass fiber reinforced
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Plastic Datasheets
| thermal performance | Test Condition | Test Method | TAIWAN CHANGCHUN/4120-104F |
|---|---|---|---|
| Flame resistance | 0.8mm | UL 94 | V-0 |
| Hot deformation temperature | 18.6kg/cm | ASTM D648 | 205(220) °C |
| Linear coefficient of thermal expansion | ASTM D696 | 4 | |
| Melting temperature | DSC | 225 °C |
| mechanical properties | Test Condition | Test Method | TAIWAN CHANGCHUN/4120-104F |
|---|---|---|---|
| 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 | 切口1/4″ | ASTM D256 | 4-7 kg-cm/cm |
| Shore hardness | ASTM D785 | 93 M-scale | |
| tensile strength | ASTM D638 | 900-1200 kg/cm |
| Electrical performance | Test Condition | Test Method | TAIWAN CHANGCHUN/4120-104F |
|---|---|---|---|
| Arc resistance | ASTM D495 | 90 sec | |
| Dielectric constant | ASTM D150 | 4 60Hz | |
| Dielectric strength | 2mm | ASTM D149 | >20 KV/mm |
| Induced positive connection | ASTM D150 | 0.001 60Hz | |
| Volume resistivity | ASTM D257 | >10 Ω-cm | |
| ASTM D257 | >10 Ω |
| Physical properties | Test Condition | Test Method | TAIWAN CHANGCHUN/4120-104F |
|---|---|---|---|
| Fiberglass content | Ash | 20 % | |
| Shrinkage rate | Flow,- | ASTM D955 | 0.1-0.5 % |
| Across Flow,- | ASTM D955 | 0.8-1.2 % | |
| Water absorption rate | 24hr immersion | ASTM D570 | 0.03 % |