LNP LUBRICOMP WFL36 compound is based on Polybutylene Terephthalate (PBT) resin containing 30% glass fiber, 15% PTFE. Added features of this grade include: Wear Resistant.
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| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Izod impact, notched | |||
| – 23°C | 90 | J/m | ASTM D256 |
| – 80*10*3 -40°C | 9 | kJ/m² | ISO 180/1A |
| – 80*10*4 +23°C | 9 | kJ/m² | ISO 180/1A |
| Izod Impact, Unnotched | |||
| – 23°C | 750 | J/m | ASTM D4812 |
| – 80*10*3 -40°C | 60 | kJ/m² | ISO 180/1U |
| – 80*10*4 +23°C | 50 | kJ/m² | ISO 180/1U |
| Instrumented Dart Impact Energy @ peak, 23°C | 13 | J | ASTM D3763 |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 9 | kJ/m² | ISO 179/1eA |
| Charpy 23°C, Unnotch Edgew 80*10*4 sp=62mm | 55 | kJ/m² | ISO 179/1eU |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Drying Temperature | 120 | °C | |
| Drying Time | 4 | Hrs | |
| Maximum Moisture Content | 0.05 | % | |
| Melt Temperature | 240 - 265 | °C | |
| Rear - Zone 1 Temperature | 220 - 230 | °C | |
| Middle - Zone 2 Temperature | 245 - 255 | °C | |
| Front - Zone 3 Temperature | 260 - 270 | °C | |
| Mold Temperature | 80 - 100 | °C | |
| Back Pressure | 0.2 - 0.3 | MPa | |
| Screw Speed | 30 - 60 | rpm |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Tensile Modulus, 5 mm/min | 9900 | MPa | ASTM D638 |
| Tensile Strain, brk, Type I, 5 mm/min | 2.6 | % | ASTM D638 |
| Tensile Stress, brk, Type I, 5 mm/min | 115 | MPa | ASTM D638 |
| Flexural Modulus | |||
| – 1.3 mm/min, 50 mm span | 8600 | MPa | ASTM D790 |
| – 2 mm/min | 8900 | MPa | ISO 178 |
| – 2 mm/min, 60°C | 5800 | MPa | ISO 178 |
| – 2 mm/min, 100°C | 4700 | MPa | ISO 178 |
| – 2 mm/min, 150°C | 3600 | MPa | ISO 178 |
| Flexural Strength, 1.3 mm/min, 50 mm span | 180 | MPa | ASTM D790 |
| Tensile Modulus, 1 mm/min | 10100 | MPa | ISO 527 |
| Tensile Strain, break, 5 mm/min | 2.8 | % | ISO 527 |
| Tensile Stress, break, 5 mm/min | 114 | MPa | ISO 527 |
| Flexural Strain, break, 2 mm/min | 3.1 | % | ISO 178 |
| Flexural Strain, break, 2 mm/min, 60°C | 4.6 | % | ISO 178 |
| Flexural Strain, break, 2 mm/min, 100°C | 5.1 | % | ISO 178 |
| Flexural Strain, break, 2 mm/min, 150°C | 5.5 | % | ISO 178 |
| Flexural Stress, yield | |||
| – 2 mm/min | 183 | MPa | ISO 178 |
| – 2 mm/min, 60°C | 127 | MPa | ISO 178 |
| – 2 mm/min, 100°C | 103 | MPa | ISO 178 |
| – 2 mm/min, 150°C | 75 | MPa | ISO 178 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Density | 1.68 | g/cm³ | ASTM D792 |
| Moisture Absorption, (23°C/50% RH/24 hrs) | 0.05 | % | ASTM D570 |
| Water Absorption, (23°C/24hrs) | 0.1 | % | ASTM D570 |
| Melt Flow Rate, 250°C/5.0 kgf | 22 | g/10 min | ASTM D1238 |
| Dynamic COF | 0.57 | - | ASTM D3702 Modified: Manual |
| Static COF | 0.41 | - | ASTM D3702 Modified: Manual |
| Wear Factor Washer | 42 | 10^-10 in^5-min/ft-lb-hr | ASTM D3702 Modified: Manual |
| Melt Volume Rate, MVR at 250°C/5.0 kg | 17 | cm³/10 min | ISO 1133 |
| Density | 1.68 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/24hrs) | 0.1 | % | ISO 62-1 |
| Moisture Absorption (23°C / 50% RH) | 0.05 | % | ISO 62 |
| Mold Shrinkage, flow | 0.1 - 0.3 | % | SABIC method |
| Mold Shrinkage, xflow | 0.5 - 1.4 | % | SABIC method |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| HDT, 1.82 MPa, 3.2mm, unannealed | 210 | °C | ASTM D648 |
| Vicat Softening Temp, Rate B/50 | 212 | °C | ASTM D1525 |
| CTE, -40°C to 40°C, flow | 3.8E-05 | 1/°C | ASTM E831 |
| CTE, -40°C to 40°C, xflow | 6.7E-05 | 1/°C | ASTM E831 |
| Specific Heat | 1751 | J/kg-K | ASTM E1269 |
| Thermal Conductivity | 0.26 | W/m-K | ASTM D5930 |
| CTE, 23°C to 60°C, flow | 2.8E-05 | 1/°C | ISO 11359-2 |
| CTE, 23°C to 60°C, xflow | 7.6E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, flow | 3.8E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 6.7E-05 | 1/°C | ISO 11359-2 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 208 | °C | ISO 75/Af |
| HDT/Bf, 0.45 MPa Flatw 80*10*4 sp=64mm | 222 | °C | ISO 75/Bf |
| Vicat Softening Temp, Rate B/50 | 212 | °C | ISO 306 |
| Relative Temp Index, Elec | 75 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 75 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 75 | °C | UL 746B |
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