Xylan

Xylan® is the umbrella trademark for most of the Whitford fluoropolymer coatings line. Xylan® is comprised of low friction, wear resistant composites of fluoropolymers and reinforcing binder resins. There is a wide range of Xylan® coatings available in one-, two-, and three-coat conventional and reinforced non-sticks. The fluoropolymers utilized in Xylan® coatings consist of PTFE, PFA, and FEP.

Many Xylan® coatings are compliant to USDA and FDA regulations, including 21 CFR 175.300, for contact with food. Xylan® coatings can also been used on NSF certified equipment. Certain Xylan® coatings are available in a variety of colors.

Xylan® coatings can be applied to virtually all metals including aluminum, carbon steel, stainless steel, copper and copper alloys, and titanium. Xylan® coatings can be applied to clean glass and ceramics, but curing the coating without cracking the substrate can be difficult. When possible use glass and ceramics designed for high temperatures.


Xylan® coatings provide lubrication and controlled friction, abrasion/ wear resistance, heat resistance, nonstick and release properties and, at the same time, can also protect from corrosion. It is used to reduce friction, prevent scoring and galling, or provide secondary lubrication in the event of failure of the primary (conventional) lubricant. It is high temperature resistant and is an easy-clean coating.

Xylan® coatings solve the problems created when the ideal material for use in engineering construction has the wrong surface properties. Parts made from materials with the optimum strength, weight and cost may corrode, seize or gall. Xylan® coatings provide a working surface, tailored to the application. Applied as a thin film, Xylan is exceptionally capable of adhesion to surfaces that do not readily accept other PTFE coatings. Xylan coatings provide tailored properties to functioning surfaces.

Xylan is a family of products designed to suit a wide range of applications such as:

Use as a lubricant and wear-resistant coating...
Thin film Xylan coatings (20-30microns) change dimensions so little they can be incorporated into existing designs.  “Dry lubrication” applications (light load/continuous movement, or limited movement under high pressure) include carburetor choke spindles, seat belt mechanisms, pins and linkages, print head rails, guide rails and solenoid plungers. “Wet lubricated” applications include fuel pump and refrigerator compressor motors and end plates for gear pumps.  In “wet lubricated” applications, both pressure and velocity can be increased.  Unlike oils and greases, Xylan provides a permanently bonded lubricant film.

Use as a seal...
Sealing applications for both liquids and gases include:  ball and plug valves, hydraulic pistons and cylinders and pneumatic valve actuator cylinders.  Xylan coatings are also useful on cylinder head gaskets and pipeline flange seals.

Use in materials handling...
Xylan coatings can be used to reduce clogging and buildup in materials handling equipment such as screw conveyors, hoppers, chutes and slides.

Use under conditions of corrosion...
A range of Xylan coatings has been developed which offer the above properties under corrosive conditions.  Salt spray resistance (ASTM B 117) from 240 to 3000 hours can be achieved.  A typical application is the coating of threaded fasteners for the chemical and offshore oil industries.

Color...
Xylan coatings can be made in many colors to match their surroundings, for color coding, or to provide functional surfaces. Fashion has become an ever increasingly important part of our lives.  Today, computers, mobile phones, watches and many other utilitarian items have turned to fashion to attract the customer’s eye.

Fashion is not new in the fields of consumer vehicles (automobile and motorcycles). The use of chrome, several colors on the same body, brightly painted designs, burled walnut panels, leather seats and “designer” editions have been around for years.

The magic of color...
The manufacturer of the largest, most complete line of fluoropolymer coatings in the world has just introduced a new line of premium coatings that revolutionized these forgotten items. Introduced at the 2003 SAE show in Detroit, the coatings are marketed under the name of Xylan® 2222.

These new coatings take colors to a new level.  Metallic and pearlescent, they are also iridescent and, under light, will shift shades accordingly.  These coatings are waterborne and environmentally friendly.  They also offer Xylan® 2322, the solvent-borne equivalents.

These new coatings are available in everything from silver to bronze, from metallic reds to greens and blues and yellows.  These coatings can be color matched to any of the items on the car or motorcycle.  So a dashboard surround, for example, can be colored to match the dash exactly.  So, of course, can all the strips of flexible rubber and EPDM.  Motorcycle seats can be colored to match – or contrast in a special fashion statement with – the colors of the bike.

A lot more than color...
New Xylan® 2222 and 2322 coatings offer protection from ultraviolet lights, excellent freeze-release, low friction, and superb resistance to abrasion.  These coatings are environmentally friendly and are single component products.  They are applied to many types of substrates including EPDM, natural rubber, NBR, TPVs, vinyl, leather, etc.  Once cured, they can be used at temperatures from -40ºF to +450ºF. 

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