The name Teflon has essentially come to become connected with the phrase “non-stick,” but Teflon coatings go far further than providing a non-stick surface area. In just the commercial and engineering worlds, a Teflon coating might make or split a equipment or solution.
There are numerous unique kinds of Teflon coatings, but below tend to be the 6 most commonly encountered kinds:
one. Teflon PTFE – Probably quite possibly the most well-liked form of Teflon coating is PTFE, which can be short for poly tetrafluoroethylene. This type of non-stick coating consists of a primer and afterwards a top coat. Away from many of the fluoropolymers to choose from, PTFE can tackle the highest temperatures, achieving every one of the way as much as five hundred degrees Fahrenheit. A further fantastic benefit of PTFE could be the indisputable fact that it’s an incredibly very low coefficient of friction. It’s also very resistant to abrasions and many forms of chemical substances. The only downsides to this unique form of Teflon are definitely the points that it arrives only in liquid kind and that it is actually water-based.
2. Teflon FEP – Should you be seeking for a film that is certainly non-porous, then FEP, also known as fluorinated ethylene propylene copolymer, is probably your best choice. Through the baking method, this type of coating in fact melts and flows. FEP is kind of immune to mostly employed chemical substances, and it really is a very non-stick style of coating. On top of that, it comes in each powder as well as a water-based liquid.
three. Teflon PFA – This kind of Teflon coating is similar to FEP in certain methods, however it tolerates the next temperature through steady use, going as much as 500 levels Fahrenheit. PFA (or perfluoroalkoxy) is additionally tougher than either FEP or PTFE, so it may possibly cope with far more compared to the initial two forms of Teflon coating. Like FEP, it comes in both of those powder along with a water-based liquid.
four. Tefzel ETFE – Likely the hardest fluoropolymer on the market is ETFE, that is offered by Teflon under the Tefzel name. This distinct sort of coating isn’t completely fluorinated, which can be essential in some apps. It arrives only in powder type although.
5. Teflon 1 Coat – If you’re looking for a Teflon coating that’s solvent-based rather then water-based, then Just one Coat might be the answer you would like. This kind of coating has been blended and tends to be very hard and intensely resistant to abrasions. A different gain of one Coat is definitely the proven fact that in some conditions, it will eventually do the job with smooth steel surfaces, as opposed to the other individuals that call for a tough surface area so as to aid it adhere.
six. Teflon Dry Lubricant – In cases that require lots of strain and higher velocities, Dry Lubricant is often the best option. Like A single Coat, it is actually solvent-based, whilst these particular coatings are created a tiny bit in another way to ensure they work far better below superior quantities of pressure or velocity.
A Teflon coating is perfect for apps on aluminum, steel, metal alloys, stainless-steel, brass, glass, rubber, fiberglass, and also plastic. All of it is dependent on just what you will be wanting to do with the coating. Generally the surface the coating is going to be placed on must be roughened up a bit in an effort to support the teflon coating into the surface, despite the fact that as you have previously viewed, you will find exceptions to that rule inside the entire world of Teflon.