Krytox™ high-performance lubricants were developed in the early 1960s to handle the lubrication demands of the aerospace industry. Special formulations of Krytox™ oils and greases are offering superior performance characteristics and certifications for aerospace applications. Chemours’ strict manufacturing regulations and optimization of their fluorochemicals exhibits a predictable viscosity index and performance characteristics at a wide temperature and pressure range which is crucial to all aerospace applications. Miller-Stephenson is a direct channel partner with The Chemours Company for the North American distribution of Krytox and we continue to separate ourselves from other distributors by providing unmatched technical support, assistance, and reliable customer service since 1991.

krytox143 Series Aerospace Oils

Krytox™ 143 Series

Krytox™ 143 series are the specialty designed base oils for all the aerospace greases listed below. These fluorinated synthetic oils are clear, colorless, non-reactive, nonflammable, safe in chemical and oxygen service, resulting in a high penetration, non-migrating and long-lasting lubrication.

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Krytox 240AA

Krytox™ 240 Series

Krytox™ 240 series greases are compatible and non-reactive with a broad range of O-ring materials, allowing for extended service life and ease of assembly/disassembly of aerospace components. Enduring exposure to high-heat, severe cold, fuels, oxidizers and radiation without degradation. Deep space flight requires reliability and lifetime lubrication for critical components that must operate  in high vacuum and extreme temperatures of space.

Krytox™ 240AZ is a MIL PRF-27617 TYPE I and NSF H-1
Krytox™ 240AB is a MIL PRF-27617 TYPE II and NSF H-1
Krytox™ 240AC is a MIL PRF-26717 TYPE III and NSF H-1

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Krytox™ 250 Series

Krytox™ 250 EP (Extreme Pressure) series are black greases that contain molybdenum disulfide as an extreme pressure additive for highly loaded aerospace gears and bearings. Delivering extreme performance under the high and low temperatures of space, Krytox 250 series is the lubricant of choice for the demanding harsh space environment.

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Krytox™ 280 Series

Krytox™ 280 is a series of nonflammable, anti-corrosion greases that contain 1% sodium nitrite additive for rust protection at ambient temperatures, corrosion protection at high temperatures, and anti-wear protection. These greases are utilized to lubricate and protect moving parts susceptible to oxidation at extreme temperatures.

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RA/IPA DryFilm Dispersion

Krytox™ 283 Series

Similar to the Krytox™ 280 series, but contains 5% sodium nitrite for anti-corrosion resistance, rust protection, anti-wear protection and corrosion protection at fluctuating temperatures.These greases are utilized to lubricate and protect moving parts susceptible to high oxidation at extreme temperatures.

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Krytox NRT

Krytox™ NRT Series

Krytox™ NRT (nonreactive) grease is a special BAM rated, high-pressure oxygen lubricant with excellent longevity over a broad temperature range. This product has been formulated with special oils and thickeners for use in the high-pressure oxygen industry. Krytox™ NRT will not react with acids or bases and is compatible with most seal and O-ring materials.

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Krytox™ FPG Series

Krytox™ FPG (Flight Program Grease) series has been specifically developed to operate over a wide temperature service range to be resistant to hydrocarbon fuel and liquid oxygen, and to be used as a lubricant aerospace vehicles, and supporting equipment. Krytox™ FPG has exceptional chemical and oxygen resistance and is designed to operate under severe conditions. Can be used for bearings, gears, and as a lubricant for O-rings and elastomers.

Krytox™ FPG028 is a MIL-PRF-27617 G Type IV 

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Specialty Solvents

Miller-Stephenson offers LOX certified and ultra-high purity specialty solvents designed for final rinse applications due its low NVR and exceptional material compatibility. The removal of residual particles and contaminants during final rinse is crucial as they may hinder, cause failure, or ignite. Vertrel™ and Miller-Stephenson specialty cleaning solvents are ideal replacements to nPB and TCE due to their safety profile, high solvency power (Kb values), fast evaporation/dry times, nonflammability and being oxygen compatible.

Vertrel™ MCA

Vertrel™ MCA is a specialty aerospace cleaning solvent that is designed to remove any trace amounts of oils, wax, grease and other surface particulates. This specialty fluid provides high solvency power and is widely utilized in critical cleaning and vapor degreasing applications. Vertrel MCA is LOX certified and listed by the ASTM and Compressed Gas Association in the directory of cleaning agents for oxygen service. Compatible with most plastics, metals and elastomers.

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MS-752U | Ultra Pure Vertrel™ MCA

MS-752U is an ultra-pure variant of Vertrel™ MCA (< 1.0 PPM NVR certified) that provides high solvency power and is widely utilized in critical aerospace cleaning. Designed to entirely remove any trace amounts of particulates during the final rinse phase of critical parts. MS-752U is LOX certified, compatible with most plastics, metals, elastomers, and is approved by multiple major aerospace companies.

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Release Systems/Dry Films

Many of Miller-Stephenson’s dry film/release systems utilize low molecular weight PTFE or proprietary siloxane-based chemistry to provide optimal lubricity, high release and predictable results. Applications include lubricating the seals of a space vehicle’s window and releasing high quality parts. Since 1955 our release agents/dry lubricants have performed with the highest efficiency under the most rigorous and technically challenging conditions, making them a perfect fit for the aerospace industry where proof of concept is imperative.

PTFE Mold Release Agent

MS-122 Series

MS-122 series utilizes proprietary fluoropolymer dry film/release systems that provides non-flammable, uniform, durable, ultra-thin film coatings while eliminating “slip-stick” and wear. MS-122AD and MS-122XD are utilized to lubricate window seals to serve as a friction barrier during expansion and compression that occurs with altitude fluctuation. Both are compatible with most rubber, plastics, urethanes, and elastomers.

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MS-143 Series

MS-143 series was developed as a highly efficient, durable and universal release agent/dry lubricant. Formulated to provide a uniform, thin film coating with anti-wear properties while maintaining nonflammable and chemically inert characteristics. The best product for the aerospace industry is our MS-143XD which provides a non-ozone depleting formulation with superior durability and adhesion to an array of substrates.

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ReleaSys™ Series

ReleaSys™ is our exclusive line of release system/dry lubricants product line that utilizes next-generation chemistry. ReleaSys™ provides an incredibly thin-film, lubricious, and durable coating, even in the most tenacious and toughest applications. For example, the ReleaSys 8800 and ReleaSys 7200 are proprietary coatings that are used extensively in aerospace applications.

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Hexion™ Epoxy
Resin Systems

Miller-Stephenson offers a diverse line of Hexion™ EPON Epoxy Resins, EPONEX UV-resistant Resins, EPIREZ Waterborne Resins. These products vary in chemical structure, molecular weight, viscosity and functionality, providing the formulator with a spectrum of options. We offer resin systems that can be used to achieve a specific property or a combination of properties, whether it be low viscosity, chemical resistance, reactivity, flexibility, heat resistance, UV resistance or fire retardance.

Krytox 143AC oil

EPON­™ 828

EPON™ Resin 828 is a widely used undiluted clear difunctional bisphenol A/epichlorohydrin derived liquid epoxy resin. When cross-linked or hardened with appropriate curing agents, excellent mechanical, adhesive, dielectric and chemical resistance properties are obtained. Because of this versatility, EPON Resin 828 has become a standard epoxy resin utilized in the aerospace industry.

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EPON­™ 826

EPON™ 826 is a low viscosity, light colored liquid bisphenol A based epoxy resin with extended pot life. Used to fabricate high strength fiber reinforced pipes and composites, It finds use in a variety of aerospace applications when cross-linked or hardened with appropriate curing agents.

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Hexion™ Curing Agents

Miller-Stephenson’s EPIKURE™ curing agents are combined with our epoxy resins and reactive modifiers to meet a variety of aerospace application challenges. We offer one of the broadest product lines of epoxy curing agents in the industry to satisfy the performance and manufacturing needs of our customers. 

EPIKURE™ 3200 Series

Miller-Stephensons EPIKURE™ Curing Agent 3223, 3234, and 3245 are unmodified aliphatic amines that are widely used in a variety of aerospace applications including epoxy curing agents. Due to their tendency to form complexes with atmospheric carbon dioxide, particularly in humid conditions, they are most often formulated, adducted or otherwise reacted to inhibit amine blush, bloom or sweat out.

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Specialty Aerosols

Miller-Stephenson’s proprietary aerosol products offer exceptional high-quality cleaning solutions that are formulated for the aerospace industry with no ODC (ozone-depleting chemicals), no ammonia and are 100% nonflammable with ultra-low odor and safe to use on aircraft dials, windshields, gauges, and oscilloscopes.

MS-260 Glass Cleaner

MS-260 Glass Cleaner is a highly effective, low-odor, 100% non-flammable, high-quality cleaning solvent that is specially formulated by Miller-Stephenson for the aerospace industry. Offering non-streak, fast drying, quick cleaning of glass all while containing no ammonia, no ODC (ozone-depleting chemicals) with ultra-low global warming potential.

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MS-222 Aero Duster® Series

Aero Duster® MS-222 series utilizes an ultra-pure propellant which is used to remove dust from sensitive electronics and other critical aerospace equipment. It is nonflammable, odorless, non-conductive, and leaves no residue or traces of contaminants and oils, which is essential for critical aerospace applications.

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Vertrel SMT

MS-242 Quick-Freeze® Series

Miller-Stephenson’s Quik-Freeze® aerosol products are designed for convenient use in aerospace applications to assist in dissipation of static charges which may accumulate during the spray process and locate intermittent malfunctions in electronic equipment. Quick-Freeze® instantly freezes small areas to -50°F(-45°C) while providing an Anti-Static, ultra-low Global Warming Potential (GWP), non-ozone depleting cleaning product that is compatible with most aerospace plastics, rubbers, and metals.

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Conformal Coatings

For aerospace applications, there are no second chances and Miller-Stephenson’s conformal coatings ensure complete operational integrity by providing the aerospace industry with specially formulated conformal coatings that are electrically insulating, protect sensitive electronic circuit boards from moisture, corrosion, fungal, chemical, and airborne contaminants resulting in long-term surface insulation resistance (SIR).  

ShieldSys™ 462S, 470, and 477H

Our premiere conformal coating lines are designed to be highly dependable and long-lasting for aerospace applications. They deliver ideal dielectric properties in a “solder-through” even at vigorous high temperature and vibration applications. Formulations made specifically to meet MIL-I-46058C Type AR and SR standards. Compatible with delicate component leads and wiring board applications; we have the conformal coating product to perform and meet your requirements.

Technical Support

Custom Formulations

Since 1955 Miller-Stephenson has worked diligently with our customer’s engineers and technicians to optimize formulations for specific manufacturing needs. We can provide custom formulations for mold releases, solvents, lubricants, epoxies, and conformal coatings. Miller-Stephenson offers a dedicated team of engineering specialist and formulation chemists who will work closely with you to help identify your specific manufacturing requirements and provide an optimal solution for your needs. 

Didn’t find your specific application?

Aerospace is a constantly evolving industry, sometimes the product that is needed, simply does not exist. Miller-Stephenson’s dynamic engineering and research teams can quickly address your application and develop a unique solution. Our experts enjoy the challenge of customizing formulations so that every customer’s manufacturing requirements can be met.

Technical support

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.