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- Manufacturer: Chemours
- Product Line: Krytox™ Greases
- Product: Krytox™ Greases for Aerospace, Aviation, and National Defense
- Industries: Maintenance, Repair, Overhaul | Metal Processing & Fabrication | Transportation
- Authorized Countries: Canada | United States
Krytox™ 250AD Grease
Krytox™ 250AD Grease is an NLGI Grade 2, nonflammable, nonreactive, aerospace-grade PFPE grease with a PTFE thickener and extreme-pressure performance additives. It has a high base oil viscosity of 502 cSt at 38°C.
Quantity
Documents
Specifications
Product type: Synthetic lubricant
Viscosity @ 20°C (68°F): 1,540 cSt
Food-grade compatible (H1): No
Meets MIL-PRF-27617: Yes
Estimated useful range: −34°C to 288°C (−20°F to 550°F)
Grease density @ 25°C (77°F): 1.93 g/mL
Oil pour point: −30°C (−20°F)
Primary Chemistry:
PFPE
- Manufacturer: Chemours
- Product Line: Krytox™ Greases
- Product: Krytox™ Greases for Aerospace, Aviation, and National Defense
- Industries: Maintenance, Repair, Overhaul | Metal Processing & Fabrication | Transportation
- Authorized Countries: Canada | United States
Manufacturer
Product Line
Authorized Countries
Canada
United States
Overview
Krytox™ 250AD is a heavy-duty extreme-pressure (EP) grease with added molybdenum disulfide to enhance performance and load capability for gears and bearings subject to extreme loads. Krytox™ 250AD is a black, nonflammable, completely nonreactive, aerospace-grade lubricant for a variety of critical components where EP is required.
Specifications
Product type: Synthetic lubricant
Viscosity @ 20°C (68°F): 1,540 cSt
Food-grade compatible (H1): No
Meets MIL-PRF-27617: Yes
Estimated useful range: −34°C to 288°C (−20°F to 550°F)
Grease density @ 25°C (77°F): 1.93 g/mL
Oil pour point: −30°C (−20°F)
Primary Chemistry:
PFPE
Features & Benefits
- High viscosity of 502 cSt at 38°C
- Nonflammable
- Nonreactive/Chemically inert
- High-load capability
- Made for higher-pressure applications where Krytox™ 240AD would see oil-filler separation
Problems Solved
Inferior high-pressure stability in grease
Flammable or reactive greases
Applications
Krytox® 250AD is mainly used for aerospace applications with higher temperatures that require heavier molecular weight, the highest-viscosity base oil, and extreme-pressure additives.
Related Applications
Maintenance, Repair, Overhaul
Related Chemistries
Maintenance, Repair, Overhaul
Related End Markets
Maintenance, Repair, Overhaul
Metal Processing & Fabrication
Transportation
Related Functions
Maintenance, Repair, Overhaul
Krytox™ Greases Articles
Chemours Krytox™ Aerospace
Krytox™ Specialty Aerospace Performance Lubricants are PFPE based oils & greases that meet or exceed the strict requirements of the Aerospace, Aviation & National Defense industries.
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