Many people around the world are familiar with Teflon® coatings owing to its widespread use in frying pans, baking trays and other bakeware applications. It is fair to say that Teflon® coating can be used for a number of applications.

Teflon® coating has remarkable properties also make it ideal for a wide range of specialised industrial applications. Having invested a considerable amount in the latest equipment on the market we are in a position to supply this and other materials, such as PFA, FEP and PVDF to you.

 

The technical side of Teflon® Coating

We can offer you a range of precision-machined items such as bearings and seals that utilise this material and are often used in pipeline and shipbuilding projects.

Teflon® coatings are available in both powder and liquid. The versatility of these Teflon® coatings allows for almost unlimited application to a wide variety of part sizes and configurations, always adding value far beyond the inherent non-stick qualities.

Teflon® is sprayed on like paint and bakes to a tough, inert finish. Over the years, Teflon coatings have been extended to ensure a finish with the ideal combination of properties to meet most design needs.

 

Types of Teflon® Coatings

Teflon® coatings can be used on carbon steel, aluminium, stainless steel, steel alloys, brass, and magnesium, as well as non-metallics such as glass, fibreglass, some rubber, and plastics.

 

PTFE Teflon® Coating

PTFE (PolyTetraFluoroEthylene) non-stick coatings are two-coat (primer/topcoat) systems. These products have the highest operating temperature of any fluoroplastic (260°C/500°F), an extremely low coefficient of friction, good abrasion resistance, and good chemical resistance. PTFE Teflon is available only in water-based liquid form.

 

FEP Teflon® Coating

FEP (Fluorinated Ethylene Propylene copolymer) non-stick coatings melt and flow during baking to provide non-porous films. These Teflon coatings provide excellent chemical resistance. In addition to low friction, FEP coatings have excellent non-stick properties. Maximum use temperature is 204°C/400°F. FEP is available in water-based liquid and powder forms.

 

PFA Teflon® Coating

Like FEP, PFA (PerFluoroAlkoxy) non-stick coatings melt and flow during baking to provide non-porous films. PFA offers the additional benefits of higher continuous use temperature (260°C/500°F), film thicknesses up to 1,000 micrometers (40 mils), and greater toughness than PTFE or FEP. PFA is available in both water-based liquid and powder forms.

 

Tefzel® ETFE Coating

ETFE is a copolymer of Ethylene and TetraFluoroEthylene and is also sold under the Tefzel® trademark. Although not fully fluorinated, it has excellent chemical resistance and can operate continuously at 149°C/300°F. This resin is the toughest of the fluoroplastics and can be applied at film builds up to 1,000 micrometers (40 mils) to provide a highly durable finish. ETFE is available in powder form.

 

Teflon® One Coat

These solvent-based liquid coatings are formulated with special blends of fluoroplastics and other high-performance resins to improve toughness and abrasion resistance. Because the film components stratify during baking, most of the fluoroplastic properties (such as low friction and non-stick character) are retained. The resins provide adhesion and abrasion resistance.

 

Teflon® Dry Lubricant Coatings

Dry lubricant coatings are special versions of Teflon® technology designed to provide lubrication under high-pressure/velocity (PV) conditions. These products are solvent-based, one-coat systems that are usually cured between 260°C/500°F and 371°C/700°F.

Teflon® is a registered trademark and brand name of Dupont.

 

Benefits of Teflon®

  • Heat resistance
  • Chemically inert
  • Excellent dielectric stability
  • Low coefficient of friction
  • Non-stick
  • Renowned strength
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