Tech Data
Lubra Plex 4000
| Packaging | 14 ounce cartridge; 40 pound container |
|---|---|
| Net Weight | 14 ounces (400 grams); 40 lbs (18 kg) |
| Appearance/Color | Semi-Solid, Black |
| Odor | Characteristic Petroleum |
| pH Range | N/A |
| Flammability | Slight |
| Vapor Pressure | <0.01 (mm Hg) |
| Vapor Density | >5 (air + 1) |
| Flash Point | 662°F (350°C) |
| Boiling Point | N/A |
| Dropping Point | >608°F (>320°C) |
| Application Temperature Range | -4°F (-20°C) to 1472°F (800°C) |
| Corrosion | No color change (T2sheet copper, 100°C, 24 h) |
| Evaporation Loss % | <0.4 (150°C, 22h) |
| Water Washout % | <3.5 (38°C, 1h) |
| Coefficient Of Friction | 0.015 |
| Solubility In Water | Insoluble |
| Extinguishing Media | Dry Chemical, Carbon Dioxide, Foam, Water Spray |
| Materials To Avoid | Acids, Strong Oxidizing Agents |
| Conditions To Avoid | Extended exposure to high temperatures can cause decomposition |
| Storage | Store in approved, tightly closed, containers in cool, dry, well-ventilated areas away from incompatible material, heat, and all sources of ignition |
| Shelf Life | 2 Years |
Comparison of the Physical & Technical Properties of Tungsten Disulfide and Moybdenum Disulfide
| Properties | Tungsten Disulfide (WS2)CAS No 12138-09-9 | Molybdenum Disulfide (MoS2)CAS No 1317-33-5 |
|---|---|---|
| Color | Silver Gray | Blue-Silver Gray |
| Appearance | Crystalline Solid | Crystalline Solid |
| Melting Point (º C) | 1250º C, 1260º C (decomposes) | 1185º C (decomposes) |
| Boiling Point | 450º C | |
| Density | 7500Kg.m-3 | 5060 Kg.m-3 |
| Molecular Weight | 248 | 160.08 |
| Coefficient of Friction | 0.03 Dynamic; 0.07 Static | |
| Thermal Stability in Air | COF <0.1 till 1100ºF (594ºC) | COF <0.1 @600ºF (316ºC) increases to 0.5 @1100ºF (594ºC) |
| Thermal Stability in Argon | COF <0.1 till 1500ºF (815ºC) | COF increases rapidly starting @800ºF (426ºC)COF >0.1 @900ºF (482ºC) |
| Load Bearing Ability | 300,000 psi for coated filmCOF:0.044 @ 20,000 psiCOF reduces to 0.024 between 200,000 to 400,000 psi | 250,000 psi |
| Lubrication Temperature Range | Ambient: from -273ºC to 650ºC Vacuum(10-14 Torr): from -188ºC to 1316ºC | Ambient: from -185ºC to 350ºC Vacuum: from -185ºC to 1100ºC |
| Chemical Durability | Inert Substance,Non-Toxic | Inert Substance, Non-Toxic |
| Magnetism | Non-Magnetic | Non-Magnetic |
| Electrical Properties | Has Semiconductor properties | |
| Rockwell Hardness | 30HRc | |
| Coating Film Thickness | 0.5 micron | |
| Corrosion Stability | Can slow down the corrosion rate, but can not fully prevent substrate corrosion | |
| Coatable Substrates | Iron, Steel, Aluminum, Copper, other Metals, Plastics and Manmade Solids | |
| Compatibility | Oil, Solvent, Paint, Fuel | Oil, Solvent, Paint, Fuel |