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Corrugator Krytox®DuPont™ 226 FG, 227 FGr

High-Temperature Anticorrosion Greases for Corrugator Service
These greases are the standard lubricant for grease lubricated high temperature bearings in corrugator service. They provide protection from rusting, high temperature corrosion, and wear while maintaining excellent lubricity over a broad temperature range. Corrugator Krytox® 226 FG and 227 FG are nonfl ammable, chemically inert, and provide for signifi cantly easier cleanup at roll change versus most other lubricants. Krytox® allows extended lubrication intervals and longer equipment life. Although normally provided in an NLGI Grade #2, other grades are available upon request. Typical applications include preconditioner rolls, single facers, and double backers.

DuPont™ Corrugator Krytox® 226 FG, 227 FG Properties
Property Corrugator Krytox® 226 FG Corrugator Krytox® 227 FG
ISO Grade of Base Oil 220 460
Estimated Useful Range, °C (°F) –36 to 260 (–33 to 500) –30 to 288 (–22 to 550)
Oil Viscosity, cSt at 40°C (104°F)
at 100°C (212°F)
Specific Gravity 1.95 1.95
Oil Separation, %, 30 hr at 99°C (210°F) 3 3
Appearance White, creamy texture White, creamy texture
Anticorrosion Additive Sodium Nitrite Sodium Nitrite
Antirust Rating, ASTM D1743 Pass Pass
Four Ball Wear Scar, ASTM D-2266
at 1 hr, 1200 rpm, 107°C (225°F), 20 kg
0.4 mm 0.4 mm
Coeffi cient of Friction, ASTM D2266 0.11 0.11
Oil Volatility, %, 22 hr at 204°C (400°F)
ASTM D972 (Modifi ed)
3 max. 1 max.