The main benefit of PTFE coatings (such as Teflon) may be the non-stick properties in the material, this means applications like commercial bakeware have excellent non-stick / release properties and therefore are very easy to clean.
We’ve got created a array of PTFE coating systems with a lot of benefits to suit most applications. The part the coating will be utilized for as well as the operating conditions will define the selection of the proper coating for the job.
With this blog, we explore some of the benefits in more detail.
NON-STICK AND RELEASE
A PTFE coating placed on a factor will offer excellent non-stick/release properties and is also quite simple to scrub. Such a coating is additionally excellent at preventing both hot and cold products from permanently adhering to the substrate and for that reason is traditionally used in the cookware, confectionery, food processing and bakery industries. PTFE coatings may also be used for non-stick within 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 gives the information to self-clean. For the semiconductor industry, this residence is vital because it allows all chemical media to run off and be 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 also can perform at cryogenic temperatures and may 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 therefore ideal for shafts, bearing surfaces, moving mechanisms, stud bolts and fasteners. With regard to added abrasion resistance and increased wear life, such a coating might be reinforced with the addition of fillers and through combining having a metal sprayed lower layer.
CORROSION AND CHEMICAL RESISTANCE
PTFE is inherently resistance against attack from most chemicals and when joined with other fluoropolymers like FEP and PFA greatly improves the lifetime of the component. PTFE applied being a surface coating will raise the corrosion resistance of the component and can even be enhanced if you use primers, other pre-treatments such as plating and phosphating. Stud bolts and fasteners, valves, pumps, pipe clamps and connectors all make use of these kind of coatings.
ELECTRICAL PROPERTIES
PTFE carries a high dielectric strength, a decreased dissipation factor, insulating and high surface resistivity, giving protection and uses in lots of electrical applications. Our coatings can be made to become conductive and utilized as an antistatic coating. Light fittings, connectors, cable guides and portable electrical equipment all reap the benefits of PTFE.
ANTI-GALLING
PTFE coatings prevent galling and provides excellent bearing properties. Mating surfaces and rotating parts take advantage of this coating and help provide minimal maintenance downtime.
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