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Thickening Efficient Grease additives
Anti-Wear Performance:
- Particle Size: The Primary Particle Size of the PTFE can affect the wear resistance
- Depends on contact surface (point, line, plane)
- Submicron particles better for point/line contacts
- Larger particles are better for planar contacts
- Molecular Weight:
- Lower Molecular weight PTFE imparts better wear resistance performance.
- A higher molecular weight PTFE results in higher 4 Ball friction force, and a higher likelihood of a slip-stick event. This results in a larger wear scar when compared to a lower molecular weight PTFE.
Thickening Efficiency:
- Increases as primary particle size (PPS) decreases
- Increases as Bulk Density decreases
- Increases with Molecular Weight
- Using a PTFE with same particle size/density, but much larger MW, may lead to gummy consistency at the same loading in a given grease
Fluoro GE Powders
Fluoro GE products are used for applications such as aerosol lubricants, mold release, gasket grease, extreme pressure grease, bearing lubricants and other products. This product can be used in NSF grade greases and lubricants.
Fluoro GE sub-micron PTFE are powders made from emulsion grade Natural Prime PTFE. These products cover a range of molecular weights to determine dispersability, thickening and performance properties. Due to the small particle size, the GE products have a larger specific surface area when compared to other PTFE.
| Product | Particle Size MV (µm) | Cone Penetration | 4-Ball Wear Scar | Bulk Density |
|---|---|---|---|---|
| Fluoro GE 100-RC | < 1 µm | 220 – 280 1/10mm | 0.55-0.65 mm | 200-400 g/l |
| Fluoro GE 125-RC | < 1 µm | 230 – 280 1/10mm | 0.40 – 0.50 mm | 200 – 350 g/l |
| Fluoro GE 150-RC | < 1 µm | 250 – 290 1/10mm | 0.30 – 0.40 mm | 200 – 400 g/l |
Fluoro GS Powders
Fluoro GS powders are made from unsintered, suspension grade Natural Prime PTFE. These products are characterized by the uniform, crystalline structure of PTFE provide increased slip and abrasion properties.
| Product | Particle Size MV (µm) | Specific Gravity | Cone Penetration | 4-Ball Wear Scar | Bulk Density |
|---|---|---|---|---|---|
| Fluoro GS 100-RC | 3.5 – 6.0 µm | 2.15 | 355 – 430 dmm | – | 300-400 g/l |
| Fluoro GS 115-RC | 4 – 6 µm | 2.15 | 320 – 500 1/10mm | 0.55-0.65 | 300-550 g/l |
| Fluoro GS 125-RC | 10 – 15 µm | 2.15 | 335 – 415 1/10mm | 0.55-0.65 | 300-550 g/l |
Fluoro GT Powders
Fluoro GT PTFE micro powders are made from highly crystalline, sintered PTFE. These products can be added with minimal to no change to the viscosity of the system. They impart excellent lubricity and wear resistance.
Fluoro GT products are used in applications such as automotive parts, heavy duty manufacturing, consumer household appliances, high tech Mil-Spec, aerospace and aviation lubricants.
| Product | Particle Size Mean Value | Cone Penetration | Bulk Density |
|---|---|---|---|
| Fluoro GT 103-RC | 2 – 4 µm | 360 – 440 mm | – |
| Fluoro GT 105-RC | 5 µm | 370 – 460 1/10mm | 400 – 600 g/l |
| Fluoro GT 110-RC | 10 – 14 µm | 420 – 470 dmm | 400 – 600 g/l |
| Fluoro GT 130-RC | 25 – 44 µm | > 475 1/10mm | 500 – 800 g/l |