DryFilm RA-W is a water-based dispersion of PTFE used as a dry film lubricant and mold release coating additive in applications requiring low VOC emissions.
DryFilm RA-W is a dispersion of polytetrafluoroethylene (PTFE) at 20% solids in water. It can be applied to surfaces by dip coating, spraying, or brushing to form dry, thin films with a very low coefficient of friction. Films of DryFilm RA-W are chemically inert, nonmigrating, and stable in extreme temperatures. This makes them ideal for use as a mold release agent, dry film lubricant, and antifouling additive for coatings.
DryFilm RA-W is commonly used as a mold release agent in applications where the use of solvents is limited. Dry films of DryFilm RA-W will provide multiple releases between applications even when used with the most challenging materials, such as epoxy resins.
DryFilm RA-W can be added to water-based coatings and lubricants to improve lubricity, prevent fouling, and increase viscosity. It may also be used in waxes and polishes to increase lubrication.
When dry, DryFilm RA-W can be used on its own as a lubricant in applications that require smooth, repeated movements. Therefore, it is an ideal dry film lubricant for gears, bearings, electrical switches, and many other parts. It is often used as a dry lubricant in automotive applications where a traditional lubricant is too messy or laborious, such as automotive interior and assembly. DryFilm RA-W also provides an advantage as a dry film lubricant in resisting dirt and dust pickup that would otherwise occur on surfaces using wet lubricants.
Solids (wt%): 20
Melting point (°C, °F): 300, 581
Molecular weight (g/mol): 3,000
Density (g/cc): 2.2
Mean particle size (μm): 3.7
Particle size range (μm): 1–15
Volatiles (%): 80
Odor: Slightly sweet
Form: Fluid dispersion
Color: Creamy white
Specific gravity: 1.1
Density (lb/gal): 9.2
Solvent: Water
Primary Chemistry: Polytetrafluoroethylene (PTFE)
Thermally stable up to 300°F
Low coefficient of friction
Superior effectiveness as a dry lubricant
Enhances lubricity
Promotes thickening
Retards fouling
Nonflammable
Nonmigrating
VOC restrictions in applications that require dry film lubrication
Excessive friction that causes damage or wear to moving parts
Squeaking, buzzing, and rattling in automotive interiors
Pickup of dirt and debris on surfaces using wet lubricants
Degradation of lubricants in extreme-temperature environments
Poor release of hard-to-release plastics and elastomers from molds
Dry film lubricants
Mold release agents
Coatings
Inks
Paints
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