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Krytox™ 157 FSH Oil
Krytox™ 157 FSH Oil has a Viscosity of 703-1055 cSt at 40°C.
Krytox 157 FSH Oil | Performance Lubricant Serving as a Surfactant
Highly Effective in Surface Pretreatments
Krytox 157 FSH Oil is a functionalized version of the DuPont series of Krytox fluorinated oils that acts as a surfactant. The functionality is a carboxylic acid group located on the terminal fluoromethylene group of poly(hexafluoropropylene oxide). Krytox 157 FSH is available in two relatively broad molecular weight ranges designated as low and high with the following typical properties. Like the other Krytox fluorinated oils, Krytox 157 FSH is insoluble in most common organic solvents. It is also nonflammable. Decarboxylation occurs on heating above about 170 °C (338 °F) and becomes vigorous at 200 °C (392 °F). The product formed appears to be a mixture, but is mainly a hydro-end-capped version of Krytox fluorinated oil. The decarboxylation of its alkali metal salts in the presence of water occurs at lower temperatures and yields essentially pure polymers end-capped with hydrogen.
Why Use Krytox 157 FSH Oil?
Krytox 157 FSH oil has been effective in surface pretreatment of magnetic recording discs prior to the application of a Krytox fluorinated lubricant. It is postulated that the surfactant is more rigidly attached on the surface through its functional group and that its fluoroalkylether tail attracts the identical molecular structure of Krytox fluorinated oil, resulting in more tenacious surface adhesion of this lubricant. For general purpose Krytox oil and grease see, Krytox™ GPL Series.
Miller-Stephenson – Authorized Master Distributor of Krytox™ Oil and Greases
Miller-Stephenson offers the most advanced lubricants, specialty applicators, and technical knowledge to our customers. Our technical sales and support teams have been collaborating and advancing the lubrication specialty coating markets since our origins in 1955. Thanks to our continuous communication with our customers, Miller-Stephenson provides Krytox greases and oils in a variety of packaging sizes from 20kg pails to 0.5 oz specialty syringes for pin-point application. We constantly monitor our customer needs and requirements ensuring you always have the product you require in the packaging size that makes you most efficient. Our philosophy is that selecting the correct lubricant and properly applying it will allow your equipment or product to perform at its absolute best throughout its entire working life span.
Krytox™ is a trademark of The Chemours Company FC, LLC.
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The recommendation made here with and the information set forth with respect to the performance or use of our products are believed, but not warranted to be accurate. The products discussed are sold without warranty, as to fitness or performance, express or implied and upon condition that purchasers shall make their own test to determine suitability of such products for their particular purposes. Likewise, statements concerning the possible uses of our products are not intended as recommendations to use our products in the infringement of any patent.
| Typical Properties | 157 FSL | 157 FSH |
| Viscosity, cSt @ 40°C (104°F) | 99.4-149 | 703-1055 |
| TAN-E mg KOH/g | 19-35 | 5-15 |
| Pour Point, °C (°F) | -29(-20) | -9(15) |
| Density, g/mL at -9°C (15°F) | 1.91 | 1.88 |
| Molecular Weight | 2500 | 7000-7500 |
The recommendation made here with and the information set forth with respect to the performance or use of our products are believed, but not warranted to be accurate. The products discussed are sold without warranty, as to fitness or performance, express or implied and upon condition that purchasers shall make their own test to determine suitability of such products for their particular purposes. Likewise, statements concerning the possible uses of our products are not intended as recommendations to use our products in the infringement of any patent.
- Surfactant
- Surface Pre-Treatment
The recommendation made here with and the information set forth with respect to the performance or use of our products are believed, but not warranted to be accurate. The products discussed are sold without warranty, as to fitness or performance, express or implied and upon condition that purchasers shall make their own test to determine suitability of such products for their particular purposes. Likewise, statements concerning the possible uses of our products are not intended as recommendations to use our products in the infringement of any patent.
| Syringe | Dab-O-Matic | Needle Nose Bottle | Jar | Bottle | Jug |
.5 oz. | 1 oz. | 1 oz. | .5 kg | 1 kg | 5 kg |
1 oz. | 2 oz. | 2 oz. | 20 kg | ||
2 oz. | 4 oz. | 4 oz. | |||
4 oz. |
The recommendation made here with and the information set forth with respect to the performance or use of our products are believed, but not warranted to be accurate. The products discussed are sold without warranty, as to fitness or performance, express or implied and upon condition that purchasers shall make their own test to determine suitability of such products for their particular purposes. Likewise, statements concerning the possible uses of our products are not intended as recommendations to use our products in the infringement of any patent.