Specialty Coatings

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SPECIALTY COATINGS

 

SPECIALTY AND PERFORMANCE COATINGS fall into four categories. They are dry film lubricants, thermal barrier coatings, thermal dispersants, and corrosion/chemical inhibitors. Please note that some coatings can fall into more than one category.

DRY FILM LUBRICANTS:

Dry Film Lubricants, also known as solid film lubricants, provide a lubricating film that reduces friction, inhibits galling and seizing and in some instances can aid in dispersing heat. The appearance is generally a charcoal gray and takes on a sheen upon burnishing. They are very slippery and provide an extremely low coefficient of friction.

One of the obvious reasons for using a lubricating coating is to reduce friction, which improves wear, extends part life and frees up H.P. normally lost to friction. A second major benefit is a reduction in part temperature. This is especially important to parts such as valve springs. Some dry film lubricants are capable of reducing part temperature not only through the reduction of friction but also through increased thermal flow. The active ingredients accelerate the movement of heat. The is especially beneficial on valve springs where excess heat can lead to accelerated fatigue and in some cases breakage.

THERMAL BARRIERS COATINGS:

Thermal barrier coatings are designed, as the name suggest, to reduce the movement of heat. In some instances, such as exhaust systems, you want to keep the heat in the pipe. In combustion chambers you want to use the heat generated by combustion to push down the piston rather than bleed off into surrounding surfaces.

THERMAL DISPERSANTS:

Being able to get RID of heat is of tremendous importance. Excessive temperature can lead to metal fatigue, boiling fluids, damaging metal expansion, reduced electrical efficiency and a host of other problems. Traditionally dealing with heat has been handled either by expanding the radiating surface or through the use of the heat radiating characteristics of the color black. With advances in thermal management methods additional ways of enhancing heat transfer now exist. The most popular method is a coating capable of accelerating the transfer of heat at a rate faster than that of bare metal. While it does take advantage of the color black it is something more than simply a "black body" heat emitting coating. The coating contains ingredients that also contribute to increase heat flow. Combing these properties with increase corrosion protection and the thin film application technique provide maximized thermal transfer capabilities. This coating is especially beneficial on brakes, intake manifolds, cylinder heads, oil pans, radiators, intercoolers and more.

CORROSION AND CHEMICAL INHIBITING COATINGS:

The loss of effectiveness, reduction in part life, and deteriorating appearance due to corrosion/chemical damage is of real concern. Loosing a well matched/tuned header to rust is not only expensive but frustrating. There are a variety of protective coatings that enhance as well as protect your parts. Many of these coatings also have additional benefits such as Thermal Dispersant or Thermal Barrier capabilities.

 

APPLICATION GUIDE FOR SPECIALTY COATINGS

Pistons Cyl Sleeve/Bore Wrist Pin Rods Cam
Lifter Bore Springs Valves Valves Guides Retainers
Rocker Shafts Rocker Ball Push Rod Oil Pump Timing Gears
Gear Drive Distributor Gear Intake Manifold Cylinder Head Cylinder Head Ports
Lifters Rocker Arms Timing Chaim Block Water Pump
Oil Pan Bearings, Rod, Main Cam Crank Ring and Pinion Gears
Blower Case Rotors Transmission Gears Transmission Cases