Common Types of Teflon Coating When we hear the word Teflon what comes to our minds is something that is non-stick, and although this is true there is more to Teflon coatings than providing a non stick surface. Teflon coating is very important to machines and products in the industrial and engineering world because it can make or break these machines. The common types of Teflon coatings are given below, although there are more kinds that what is on the list. Teflon PTFE (short for poly tetrafluoroethylene, is the most popular type of Teflon coating. Teflon PTFE is a non-stick coating that is made up of a primer and then a top coat. There are many types of fluoropolymers but PTFE can handle the highest temperatures, reaching all the way to 500 degrees Fahrenheit. Another advantage of PTFE is that it has a very low coefficient of friction. This material can resist abrasions and different types of chemicals. The only downside to Teflon PTFE is that it comes only in liquid form and is water based.
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Teflon FEP also known as fluorinated ethylene propylene copolymer, is the kind of film that is non-porous. This kind of coating actually melts and flows during the baking process. This Teflon coating is also resistant to commonly used chemicals and it is also the type that is very non-stick. You can get this type of Teflon in powder form and as a water based liquid.
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There are ways by which the third kind, the Teflon PFA is similar to the Teflon FEP. Teflon PFA can tolerate high temperatures during continuous use which FEP cannot , and it can reach up to 500 degrees Fahrenheit. Since PFA (perfluoroalkocy) is tougher than both FEP and PTFE, it can handle a lot more that the other two types of Teflon coating. Like FEP it comes both in powder or water based liquid form. Teflon also sells tefzel ETFE which is the toughest fluoropolymer available today. Since this type of coating is not completely fluorinated it is important is some applications. This type comes only in power form. Teflon One Coat is ideal if you are looking for a Teflon coating that is solvent based rather than water based. Since this type of coasting has been blended, it is extremely tough and resistant to abrasions. Another benefit of one coat is that there are cases when it works well with smooth metal surfaces, unlike others that require a rough surface in order to help it stick. Teflon Dry Lubricant is the best choice when it comes to situations that involve a lot of pressure and high velocities. It is like one coat in that it is solvent-based rather than water-based, and this particular coating is designed a bit differently so that it can work better under high amounts of pressure or velocity. A Teflon coating is perfect for applications on aluminum, steel, steel alloys, stainless steel, brass, glass, fiberglass, and even plastic.