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Krytox™ XHT-BDX Grease
Krytox™ XHT-BDX is an NLGI Grade 1.5 PFPE-based grease with a nonmelting thickener with very high thermal stability, up to 350°C, and spikes to 400°C. It has a base oil viscosity of 738 cSt at 40°C.
Fulfilled By ChemPoint
- Manufacturer: Chemours
- Product Line: Krytox™ Greases
- Product: Krytox™ Greases for Extreme Temperatures
- Industries: Elastomers | Facility Infrastructure | Maintenance, Repair, Overhaul | Metal Processing & Fabrication | Transportation
- Authorized Countries: Canada | United States
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Overview
Krytox™ XHT-BDX Grease is a highly engineered PFPE performance lubricant recommended for applications that experience extremely high temperatures. Krytox™ XHT-BDX is made of a special nonmelting thickener and a PFPE base oil with a very low evaporation rate.
Krytox™ XHT-BDX is nonflammable, oxygen safe, and chemically inert. Krytox™ XHT-BDX Grease is designed for use at temperatures of 288°C (500°F) and higher, where there is a danger of melting a standard PTFE thickener.
Specifications
Estimated useful range, °C: −15° to 350° (with spikes to 400°)
Oil pour point, °C: −20°
Base oil viscosity, cSt @ 40°C: 738
Oil separation in 30 hrs at 99°C: 5
Oil volatility in 22 hrs, % @ 260°C: 1.5
Appearance: White, creamy consistency
Specific gravity at 0°C: 2.00
NLGI Grade: 1.5
Primary Chemistry: PFPE
Features & Benefits
Excellent lubrication over a broad temperature range (−15°C to 350°C)
Great wetting-out performance with low surface tension
Chemically inert
Nonflammable
Extended lubrication intervals and equipment life
Low oil evaporation
Anti-wear performance
Thickened with a nonmelting thickener
Sheer at high speeds
Low surface tensions
Easily wet metallic surfaces
No adverse effects on metals
Thermal stability
Nonoxidizing
Corrosion resistance
Problems Solved
Melting grease thickeners in high-temperature applications Lubrication failure and system damage or corrosion
Flammable or overly reactive greases
Damage from oxidation, wear, high temperatures, and corrosion
Adverse effect on metals
Oil evaporation or loss under high heat conditions
Applications
Krytox™ XHT-BDX grease is typically recommended for use in the following:
Low-speed bearings
High-temperature applications
Pillow housings
The oil in the grease can begin to evaporate slowly at temperatures above 350°C (626°F), and this will occur at an increasing rate as temperatures increase. It can withstand intermittent spikes up to 400°C (752°F). Relubrication could be required at these temperatures to achieve optimum life.
Related Applications
Facility Infrastructure
Maintenance, Repair, Overhaul
Related Chemistries
Related End Markets
Elastomers
Facility Infrastructure
Maintenance, Repair, Overhaul
- Chemical & Petrochemical
- Consumer Products
- Energy Generation & Utility
- General Industrial
- Heavy Industry
- Oil & Gas
- Pulp & Paper
- Transportation
Related Functions
Maintenance, Repair, Overhaul
Krytox™ Greases Articles
Chemours Krytox™ - Extreme High Temps
The Krytox™ XHT line of performance greases provide unrivaled thermal stability at extremely high temperatures. Explore how these highly engineered lubricants provide longer lasting protection and allow for extended equipment lifespan here.
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