The main benefit of PTFE coatings (including Teflon) could be the non-stick properties in the material, which means applications for example commercial bakeware have excellent non-stick / release properties and therefore are a breeze to clean.
We’ve designed a array of PTFE coating systems with many advantages to suit most applications. The function how the coating is usually to be used for and also the operating conditions will define your selection of the best coating for the position.
With this blog, we explore a number of the benefits in great detail.
NON-STICK AND RELEASE
A PTFE coating applied to an element gives excellent non-stick/release properties and it is quite simple to wash. This sort of coating is additionally excellent at preventing both hot products from permanently sticking to the substrate and for that reason is popular from the cookware, confectionery, food processing and bakery industries. PTFE coatings will also be useful for non-stick within the packaging, heat sealing, moulding, automotive, aerospace, chemical and pharmaceutical industries.
NON-WETTING
PTFE surfaces are hydrophobic and oleophobic, will not readily wet. This enables the pad to self-clean. For your semiconductor industry, this property owner vital mainly because it allows all chemical media to operate off and turn into collected.
TEMPERATURE RESISTANCE
PTFE coatings can service arduous application conditions involving extremes of temperature. They can remain stable at advanced temperatures of +260°C as well as short periods at +290°C. PTFE may be used on extrusion dies and sealing of plastic/elastomers where other treatments may degrade or cause clogging of molten material. These coatings could also perform at cryogenic temperatures and will remain stable at -270°C.
LOW FRICTION AND ABRASION RESISTANCE
PTFE coated surfaces reduce friction and will achieve minimal coefficients of friction, typically from about 0.04 to 0.15. Where oils and grease evaporate at elevated temperatures PTFE remains which is therefore perfect for shafts, bearing surfaces, moving mechanisms, stud bolts and fasteners. With regard to added abrasion resistance and increased wear life, such a coating could be reinforced with the help of fillers and through combining using a metal sprayed lower layer.
CORROSION AND CHEMICAL RESISTANCE
PTFE is inherently resistance against attack from most chemicals so when coupled with other fluoropolymers including FEP and PFA greatly improves the life of the component. PTFE applied being a surface coating will raise the corrosion resistance from the component and can be enhanced by using primers, other pre-treatments including plating and phosphating. Stud bolts and fasteners, valves, pumps, pipe clamps and connectors all make use of most of these coatings.
ELECTRICAL PROPERTIES
PTFE includes a high dielectric strength, a decreased dissipation factor, insulating and high surface resistivity, giving protection and uses in several electrical applications. Our coatings can be designed to become conductive and used as an antistatic coating. Light fittings, connectors, cable guides and portable electrical equipment all make use of PTFE.
ANTI-GALLING
PTFE coatings prevent galling and give excellent bearing properties. Mating surfaces and rotating parts take advantage of this coating and help provide minimal maintenance downtime.
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