TYPES OF COATING

ETFE

The Infused Matrix coatings offer remarkably low surface energy, higher release, with the most advanced wear-hardened structural reinforcements physically attainable. Our patented & proprietary composite processes physically transform base alloy properties into a variety of unsurpassed functional & tribological attributes. These conformal or unique geometric enhancements are available in all coating technologies.

PFA

Like FEP, PFA (perfluoroalkoxy) nonstick coatings melt and flow during baking to provide nonporous 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. This combination of properties makes PFA an excellent choice for a wide variety of uses, especially those involving chemical resistance. PFA is available in both water-based liquid and powder forms.

FEP

(fluorinated ethylene propylene copolymer) nonstick coatings melt and flow during baking to provide nonporous films. These coatings provide excellent chemical resistance. In addition to low friction, FEP coatings have excellent nonstick properties. Maximum use temperature is 204°C/400°F. FEP is available in water-based liquid and powder forms.

PTFE

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

Teflon®-S

These solvent-based liquid coatings are formulated with special blends of fluoropolymers and other high-performance resins to improve toughness and abrasion resistance. Because the film components stratify during baking, most of the fluoropolymer properties (such as low friction and nonstick character) are retained. The resins provide adhesion and abrasion resistance. These products can sometimes be applied to smooth, clean metal. Bake requirements vary, depending on the specific coating, from 163°C/325°F to 316°C/600°F.

Teflon® FEP

(fluorinated ethylene propylene copolymer) nonstick coatings melt and flow during baking to provide nonporous films. These coatings provide excellent chemical resistance. In addition to low friction, FEP coatings have excellent nonstick properties. Maximum use temperature is 204°C/400°F. FEP is available in water-based liquid and powder forms.

Kynar (PVDF)

Kynar® polyvinylidene fluoride, the homopolymer of 1,1-di-fluoro-ethene (VF2) , is a tough, engineering thermoplastic that offers a unique balance of properties. It has the characteristic stability of fluoropolymers when exposed to harsh thermal, chemical, and ultraviolet environments, while the alternating CH2 and CF2 groups along the polymer chain provide a unique polarity that influence its solubility and electric properties. Kynar® resins are readily melt-processed by standard methods of extrusion and injection / compression molding. At elevated temperatures Kynar® PVDF can be dissolved in polar solvents such as organic esters and amines. This selective solubility is an advantage in the preparation of corrosion resistant coatings for chemical process equipment and long-life architectural finishes on building panels.

Key Attributes of Kynar® PVDF include:

• Mechanical strength and toughness
• High abrasion resistance
• High thermal stability
• High dielectric strength
• High purity
• Readily melt processible
• Resistant to most chemicals and solvents
• Resistant to ultraviolet and nuclear radiation
• Resistant to weathering
• Resistant to fungi
• Low permeability to most gases and liquids
• Low flame and smoke characteristics
• Rigid and Flexible versions of Kynar® PVDF are available

Halar (ECTFE)

WHAT IS HALAR® FLUOROPOLYMER?

HALAR® is essentially a 1:1 alternating copolymer of ethylene and chlorotrifluoro-ethylene (CTFE). By weight, it contains about 80% CTFE, one of the most chemically resistant materials that can be used to make a polymer.

Though CTFE homopolymers are excellent materials, they are difficult to fabricate into complex shapes. By copolymerizing CTFE with ethylene, HALAR® combines the chemical resistance of CTFE-based materials with easy processability.

WHY IS HALAR® USED FOR CHEMICAL APPLICATIONS?

HALAR® is one of the most chemically resistant polymers available today.

It possesses the following characteristics:

• Suitable for the most demanding applications:
• Mechanically tough with excellent abrasion and impact resistance
• Continuous use to 300º F in many applications Excellent release properties
• Extremely smooth surface
• Dimensionally stable
• Low cold flow

Nylon

Benefits of Nylon Coating:

• Extremely Abrasion
• Resistant Solvent & Alkali Resistant
• Low Coefficient of Friction
• Machinable
• Autoclavable

Xylan

Xylan coatings are an alternative to Dupont Teflon coatings.

Xylan coatings provide you with the following benefits:

• Lubrication Friction reduction
• Wear resistance
• Heat resistance
• Non-stick and release properties

Xylan coatings solve the problems created when the ideal material for use in engineering or construction of a part has the wrong surface properties. Parts made from materials with optimum strength, weight and cost may corrode, seize or stick.

Xylan Main Properties:

• Extreme temperature resistant
• Abrasion / wear resistant
• Corrosion resistant
• Provides sacrificial anodic protection
• Thermoset

Typical Applications:

Aerospace and marine industry components.

Description:

A blend of ceramic materials and metal fillers (aluminum). When cured it becomes a ceramic/metallic coating (a “cermet”) protecting metals from high-temperature oxidation and corrosive environments. Two coats of Xylar 1 (under Xylar 101 Sealer, or virtually any Xylan coating) provide excellent long-term salt-spray resistance (1,000 hours minimum, ASTM B-117) and sacrificial anodic protection. When topcoated, this system has survived 3,000+ salt spray hours per ASTM B-117. Burnishing is recommended to develop optimum corrosion resistant properties.

Application:

Conventional spray.

Dykor

Dykor Protects Against Chemical Corrosion:

Dykor coatings form a "polymer barrier" up to 80 mils (.080") thick and are usually used to coat vessels in the chemical process industry to protect metal from hostile chemical environments.

Dykor has many unique properties:

• Unaffected by most chemicals and solvents
• Extremely abrasion resistant
• Self extinguishing (will not burn in air)
• Excellent mechanical strength
• Thermal stability
• High Dielectric strength (950 volts per mil)
• Resistant to weathering, UV rays and nuclear radiation
• Maximum service temperature 200°F/93°C at 20-30 mils DFT unreinforced
• Maximum service temperature 275°F/135°C at 60-80 mils DFT reinforced

Dykor coatings are useful when dealing with very harsh chemicals that would affect most other coatings. Dykor is used in many situations such as acid etching, electronic components, bleaching operations and insecticide facilities.

Dykor coatings can be reinforced with fiberglass cloth in order to extend the service temperature. The cloth is applied in place on the vessel or part to be coated by means of a "wet lay-up" technique.