what is dry lubricant spray?

Dry lubricants spray on and evaporate quickly, leaving a thin dry film that prevents surfaces from sticking together. They are useful in dusty environments because they resist grime, but they may require reapplication more often than penetrating sprays.

General Purpose Dry Lubricants

Dry-solid lubricant powders, such as graphite, wax, silicone, and PTFE, are used to reduce friction between moving parts without the need for liquid. They coat rollers, gears, and chains with a dry coating that prevents wear and helps extend equipment life. They can withstand high temperatures and won't break down to an oily residue.

Lock and Garage Door Dry Lubricants

Lock and garage door dry lubricants loosen stuck or frozen locks, reducing squeaking and preventing further corrosion. They also protect rolling doors from water damage and rust.

PTFE Dry Lubricant (TEFLON)

PTFE (poly tetra fluoroethylene) is a low-molecular material that offers lubrication at temperatures higher than liquid and oil-based lubricants. It has a low coefficient of friction and adheres well to metals and plastics.

Molybdenum Disulfide

Besides graphite, other materials commonly used as dry lubricants include molybdenum disulfide and tungsten disulfide. The low-friction characteristics of these solids are attributed to a layered structure on the molecular level with weak bonding between layers that can slide easily over each other.

PTFE and molybdenum disulfide are used in industrial applications such as rail track joints, brass instrument valves, piano actions, open gear, and ball bearings. They can operate in oxidizing and non-oxidizing environments and maintain lubrication under vacuum conditions.