KRY-NRT8904CART - Krytox NRT 8904 Grade, Cartridge

Valve, Regulator Applications

Optimal Temperature Range -58°F to +354°F

ISO Viscosity 60

NRT 8900, NRT 9804 and NRT 8906 are safe in all reactive gases including oxygen, chlorine, fluorine, bromine.
Won’t react with acids or bases.
Compatible with seal and o-ring materials.

Pumps and Motor Bearings Applications

NRT 8904 is safe for use with reactive gases. Won’t wash out. Compatible with seal and o-ring materials.

Compatibility with Elastomers and Plastics

Krytox® is compatible with all elastomeric seal materials and engineering plastics. The limiting factor when using Krytox® with any material is the thermal stability of the elastomer or plastic.

Krytox® performance lubricants are compatible with the following common elastomers and plastics:

Fluorosilicone
Ethylacrylate
Methyl Silicone
Viton® A Fluoroelastomer
Urethane
Hypalon® Synthetic Rubber
Hytrel® Polyester Elastomer
Butyl 325
Neoprene WRT
Nycar 100 (Buna N)
EPT, Peroxide Cure
Nordel® Hydrocarbon Rubber
Delrin® Acetal
Zytel® Nylon
Vespel®
PTFE® Fluoropolymer
Kalrez® Fluoroelastomer*

* 15 -20 vol% swelling at high temperatures when immersed.

Compatibility with Metals

Because of their low surface tensions, Krytox® lubricants easily wet metallic surfaces. Krytox® lubricants are chemically inert and therefore have no adverse effect on metals when the temperature is below 288°C (550°F). Above 288°C (550°F), many alloy steels, stainless steels, and other metals such as aluminum alloy, titanium alloy, nickel alloy, and cobalt alloy can be used with Krytox®.

Demonstrated Results

Krytox® technology provides state-of-the art performance for mechanical systems under harsh conditions. From gearboxes, bearings and chains - to seals, actuators, valves, and more - every day Krytox® serves the specialized needs of:

Pulp and paper mills and converting plants
Automotive components
Military and commercial aircraft
Chemical plants
Power plants
Turbine generators
Oxygen, chlorine, and reactive gas equipment and components. DuPont lubricants have been independently tested by organizations such as BOC, Air Liquide, BAM, NASA, General Dynamics, and Praxair and proven acceptable for oxygen and other reactive chemical compatibility.

DuPont™ Krytox®, and Vydax® are registered trademarks or trademarks of E.I. duPont de Nemours and Company

Krytox™ Lubricant NRT-8904

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