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UCON™ LB-550-XY26 is an ISO 150 polypropylene glycol monobutyl ether used as a rust-preventive coating for hydraulic brake parts and similar applications.
UCON™ LB-550-XY26 is a specialty rust-preventative fluid that can be compounded with selected rust and oxidation inhibitors. This fluid can then be used as a lubricant to coat the surface of equipment such as hydraulic brake parts and other similar machinery before and during assembly. This rust-preventative fluid is compatible with DOT 3 brake fluids but not silicone-based fluids. It can be mixed with natural oils, plasticizers, organic solvents, resins, and gums.
UCON™ LB-550-XY26 is a polypropylene glycol monobutyl ether fluid with a wide viscosity range, giving it phenomenal load-carrying capacities. This fluid does not have any adverse effects on braking system elastomers and is able to provide lubrication to brake parts during assembly. UCON™ LB-550-XY26 is a rust-preventive fluid used to coat metal parts with a kinematic viscosity of 114–145 cSt at 100°F.
Color: Brown
Odor: Mild
Boiling point (760 mmHg): >200°C
Flash point, closed cup: 191°C
Vapor pressure: <0.01 mmHg at 20°C
Relative density (water = 1): 1.000 at 20°C
Viscosity (40°C): 104–132 cSt
Kinematic viscosity: 114–145 cSt at 37.8°C
Water wt%: 0.30
Pour point: −35°C
Primary Chemistry: Polypropylene Glycol Monobutyl Ether
Outstanding hydrolytic stability
Able to be mixed with other natural oils, organic solvents, plasticizers, resins, or gums
Excellent load-carrying capacity
Fire resistant
Anti-varnish
Good deposit control
Outstanding hydrolytic stability
Low to high viscosity ranges
Low friction coefficients
High extreme pressure failure loads
Low pour point temperatures
Noncorrosive to metals
Rust prevention
Loss of rust-preventative coating from water contamination
Corrosion damage on stored metal
Used as lubricating and preservative coatings for hydraulic brake parts and similar equipment.
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