The main benefit of PTFE coatings (for example Teflon) will be the non-stick properties in the material, this means applications including commercial bakeware have excellent non-stick / release properties and so are quite simple to clean.

We now have designed a variety of PTFE coating systems with lots of good things about suit most applications. The function that the coating shall be employed for and also the operating conditions will define your selection of the right coating for the position.

On this blog, we explore a few of the benefits in more detail.

NON-STICK AND RELEASE
A PTFE coating used on an important part will offer excellent non-stick/release properties and is also very easy to completely clean. This sort of coating can also be excellent at preventing both cold and hot products from permanently staying with the substrate and so is traditionally used within the cookware, confectionery, food processing and bakery industries. PTFE coatings are also utilized for non-stick inside the packaging, heat sealing, moulding, automotive, aerospace, chemical and pharmaceutical industries.

NON-WETTING
PTFE surfaces are hydrophobic and oleophobic, and won’t readily wet. This permits the fabric to self-clean. For that semiconductor industry, this residence is vital as it allows all chemical media to perform off and stay collected.

TEMPERATURE RESISTANCE
PTFE coatings can service arduous application conditions involving extremes of temperature. They could remain stable at advanced temperatures of +260°C and for short periods at +290°C. PTFE can be used on extrusion dies and sealing of plastic/elastomers where other remedies may degrade or cause clogging of molten material. These coatings could also perform at cryogenic temperatures and can remain stable at -270°C.

LOW FRICTION AND ABRASION RESISTANCE
PTFE coated surfaces reduce friction and can achieve very low coefficients of friction, typically from about 0.04 to 0.15. Where oils and grease evaporate at elevated temperatures PTFE remains and is also therefore ideal for shafts, bearing surfaces, moving mechanisms, stud bolts and fasteners. For really abrasion resistance and increased wear life, this sort of coating may be reinforced by having fillers and also combining having a metal sprayed first layer.

CORROSION AND CHEMICAL RESISTANCE
PTFE is inherently resistant to attack from most chemicals then when combined with other fluoropolymers such as FEP and PFA greatly improves the life of the component. PTFE applied like a surface coating will heighten the corrosion resistance in the component and may be also enhanced by using primers, other pre-treatments for example plating and phosphating. Stud bolts and fasteners, valves, pumps, pipe clamps and connectors all make use of these kinds of coatings.

ELECTRICAL PROPERTIES
PTFE includes a high dielectric strength, a decreased dissipation factor, insulating and surface resistivity, giving protection and uses in lots of electrical applications. Our coatings can be designed to become conductive and utilized as an antistatic coating. Light fittings, connectors, cable guides and portable electrical equipment all take advantage of PTFE.

ANTI-GALLING
PTFE coatings prevent galling and provides excellent bearing properties. Mating surfaces and rotating parts make use of this coating and help provide minimal maintenance downtime.
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