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Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT SK655FR1 DUPONT KOREA
Crastin®
Laptop case,Electronic field,Electrical field
Glass fiber reinforced,enhance,Flame retardant,Easy to process, 30% glass fiber reinforc,Mechanical properties are
UL
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Plastic Datasheets
| machinability | Test Condition | Test Method | DUPONT KOREA/SK655FR1 |
|---|---|---|---|
| Forming temperature | 86-266 °C | ||
| Melting temperature | 464-500 °C |
| thermal performance | Test Condition | Test Method | DUPONT KOREA/SK655FR1 |
|---|---|---|---|
| Hot deformation temperature | HDT | ASTM D-648 | 439（419） °C |
| Melting temperature | ASTM D-3418 | 437 °C |
| mechanical properties | Test Condition | Test Method | DUPONT KOREA/SK655FR1 |
|---|---|---|---|
| Bending modulus | ASTM D-638 | 1740 Ksi | |
| ASTM D-790 | 1400 Ksi | ||
| Elongation at Break | ASTM D-638 | 2.4 % | |
| Impact strength of cantilever beam gap | ASTM D-256 | 1.17 ft-lb/in | |
| Suspended wall beam without notch impact strength | ASTM D-4812 | 9.6 ft-lb/in | |
| tensile strength | ASTM D-638 | 20500 psi | |
| ASTM D-790 | 31500 psi |
| Electrical performance | Test Condition | Test Method | DUPONT KOREA/SK655FR1 |
|---|---|---|---|
| Dielectric loss | 1MHz（1KHz） | ASTM D-150 | 0.014（0.002） |
| Dielectric strength | 3.2mm | ASTM D-149 | 584 KV/in |
| Electrical constants | 1MHz（1KHz） | ASTM D-150 | 4（4.2） |
| Physical properties | Test Condition | Test Method | DUPONT KOREA/SK655FR1 |
|---|---|---|---|
| Shrinkage rate | Across Flow | ASTM D-792 | 0.008 in/in |
| ASTM D-955 | 0.003 in/in |