The main benefit of PTFE coatings (including Teflon) could be the non-stick properties of the material, meaning applications like commercial bakeware have excellent non-stick / release properties and are super easy to wash.
We have developed a variety of PTFE coating systems with a lot of benefits to suit most applications. The part that this coating is usually to be utilized for along with the operating conditions will define picking a the right coating for the job.
Within this blog, we explore some of the benefits in depth.
NON-STICK AND RELEASE
A PTFE coating put on a factor can give excellent non-stick/release properties which is quite simple to scrub. Such a coating is also excellent at preventing both cold and hot products from permanently adhering to the substrate and so is widely used inside the cookware, confectionery, food processing and bakery industries. PTFE coatings will also be utilized for non-stick from the packaging, heat sealing, moulding, automotive, aerospace, chemical and pharmaceutical industries.
NON-WETTING
PTFE surfaces are hydrophobic and oleophobic, and will not readily wet. This enables the pad to self-clean. For that semiconductor industry, this residence is vital mainly because it allows all chemical media to operate off and become collected.
TEMPERATURE RESISTANCE
PTFE coatings can service arduous application conditions involving extremes of temperature. They are able to remain stable at advanced temperatures of +260°C and for short periods at +290°C. PTFE works extremely well on extrusion dies and sealing of plastic/elastomers where other remedies may degrade or cause clogging of molten material. These coatings also can perform at cryogenic temperatures and can remain stable at -270°C.
LOW FRICTION AND ABRASION RESISTANCE
PTFE coated surfaces reduce friction and may 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 it is therefore ideal for shafts, bearing surfaces, moving mechanisms, stud bolts and fasteners. For added abrasion resistance and increased wear life, this kind of coating can be reinforced by having fillers through combining using a metal sprayed lower layer.
CORROSION AND CHEMICAL RESISTANCE
PTFE is inherently resistant against attack from most chemicals and when combined with other fluoropolymers including FEP and PFA greatly enhances the life of the component. PTFE applied as a surface coating will heighten the corrosion resistance with the component and will be also enhanced with the use of primers, other pre-treatments including plating and phosphating. Stud bolts and fasteners, valves, pumps, pipe clamps and connectors all make use of these kinds of coatings.
ELECTRICAL PROPERTIES
PTFE features a high dielectric strength, a low dissipation factor, insulating as well as surface resistivity, giving protection and uses in lots of electrical applications. Our coatings can even 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 provide excellent bearing properties. Mating surfaces and rotating parts make use of this coating which help provide minimal maintenance downtime.
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