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Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT/PTFE WL-4540-NAT SABIC INNOVATIVE US
LNP™ LUBRICOMP™
Aerospace Applications
wear resistant
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Plastic Datasheets
| thermal performance | Test Condition | Test Method | SABIC INNOVATIVE US/WL-4540-NAT |
|---|---|---|---|
| Hot deformation temperature | 1.8MPa,Unannealed,3.20mm | ASTM D648 | 55.4 °C |
| 0.45MPa,Unannealed,64.0mmSpan | ISO 75-2/Bf | 158 °C | |
| 1.8MPa,Unannealed,64.0mmSpan | ISO 75-2/Af | 54.0 °C | |
| 0.45MPa,Unannealed,3.20mm | ASTM D648 | 182 °C | |
| Linear coefficient of thermal expansion | TD：-30to30°C | ASTM D696 | 1.1E-04 cm/cm/°C |
| MD：-30to30°C | ASTM D696 | 6.8E-05 cm/cm/°C |
| mechanical properties | Test Condition | Test Method | SABIC INNOVATIVE US/WL-4540-NAT |
|---|---|---|---|
| Bending modulus | 50.0mmSpan | ASTM D790 | 2190 Mpa |
| ISO 178 | 2130 Mpa | ||
| bending strength | ISO 178 | 64.0 Mpa | |
| elongation | Break | ASTM D638 | 11 % |
| Yield | ASTM D638 | 11 % | |
| Friction coefficient | Dynamic | ASTM D3702Modified | 0.24 |
| Static | ASTM D3702Modified | 0.13 | |
| Tensile modulus | ASTM D638 | 2280 Mpa | |
| ISO 527-2/1 | 2240 Mpa | ||
| Tensile strain | Break | ISO 527-2/5 | 12 % |
| Yield | ISO 527-2/5 | 11 % | |
| tensile strength | Break | ISO 527-2/5 | 37.0 Mpa |
| Yield | ASTM D638 | 37.0 Mpa | |
| Yield | ISO 527-2/5 | 37.0 Mpa | |
| Break | ASTM D638 | 37.0 Mpa | |
| Wear factor | Washer | ASTM D3702Modified | 16.0 10^-10in^5-min/ft-lb-hr |
| Physical properties | Test Condition | Test Method | SABIC INNOVATIVE US/WL-4540-NAT |
|---|---|---|---|
| Shrinkage rate | TD：24hr | ASTM D955 | 1.0-3.0 % |
| MD：24hr | ASTM D955 | 1.0-3.0 % | |
| Water absorption rate | Equilibrium,23°C,50%RH | ISO 62 | 0.090 % |
| 24hr,50%RH | ASTM D570 | 0.050 % |
| impact performance | Test Condition | Test Method | SABIC INNOVATIVE US/WL-4540-NAT |
|---|---|---|---|
| Dart impact | 23°C,TotalEnergy | ASTM D3763 | 2.20 J |
| Impact strength of cantilever beam gap | 23°C | ISO 180/1A | 3.7 kJ/m² |
| Multi axis Instrumented Impact Energy | ISO 6603-2 | 0.700 J | |
| Suspended wall beam without notch impact strength | 23°C | ISO 180/1U | 20 kJ/m² |