PTFE Teflon Sheets: Major Benefits and Applications

Teflon is one of the most significant engineering plastics invented long back around seven decades ago, it is still a crucial material that offers better performance in vital areas compared to most other engineering plastics. When it comes to PTFE Teflon Sheets, there are special attributes that are highly compatible with a range of industrial applications.

Wide Range of Applications:

The striking properties of these sheets make them suitable for a wide spectrum of applications. PTFE Sheet is frequently used in industries involving food preparation because it does not contaminate or cause any harm to the food when in contact.
Because it is compatible with high temperatures, it is a well suited material for cryogenics. This engineering plastic is widely used in the construction industry and is increasingly recognized by modern architects because of its considerable ability to resist weathering and environmental variations.

A material widely acclaimed for its low frictional co-efficient, PTFE sheet which is widely used in slide ways and wear strips associated with various types of engineering procedures. It helps in cost reduction by enhancing the life span of high performance constituents offering a super sliding and wear and tear resistant framework.

Teflon sheets also offer a durable valve seal due to its acid and heat resistance properties. Due to its crucial properties, the sheets find use in areas where other materials are not sufficient or compatible.

Characteristics and Specific Benefits:

• Low friction: One of the major characteristics of theses sheets is the amazingly low frictional co-efficient, which in fact is the lowest amongst any material that man has discovered yet, and offers the same results as ice. This property is exceptionally useful in numerous applications like slide ways requiring low friction where only Teflon Sheets can be suitably used.

• High temperature resistance: One of the most popular uses of Teflon is in sectors requiring a high range of temperature. This is due to the fact that this material can withstand wide variations in temperature. It works well in temperatures as high as or even more than 250°C and is also able to withstand extremely low temperatures, while retaining the same performance level. In fact, since this engineering plastic can resist temperature ranges as low as -260°C without any effect on the properties, it often finds adequate use in lining the interior part of cryogenic vessels. Few materials can effectively resist temperature extremes like this.

• Chemical resistance: One of the most important benefits of this plastic is derived from its striking chemical resistance which when compared to other plastics in indeed very high. Hence there are hardly any chemicals that can cause damage to the sheet during common applications and uses. The acid resistance property of PTFE sheets is especially a very significant feature, which make it a choicest material for lining acid tanks. Interestingly, these sheets can withstand higher acid concentrations than most other materials.

• Electrical Insulation: Amongst all the currently in use engineering plastics, PTFE is popularly regarded as one of the best materials for electrical insulation. Frequently PTFE Sheets are used as a good alternative for PVC if the insulation properties are required to be of a much higher level.

How to do Teflon Coating for Bike and Car

Teflon coating, everyone must have heard this a lot of times, how is it done?
What change could it bring? Are some of the common questions that arise. To answer these questions, let us take a step by step look at the whole process on a Yamaha Fazer. First of all, Teflon as you have heard is basically a new age material which is been used in everywhere from frying pans to space shuttles. It’s been making its way into paints and other surfaces as a protective agent in recent times. The name was derived from the world’s second largest chemical company, DuPont who is the inventor of certain symbolic products like Kevlar, Lycra and Neoprene. Teflon basically is a whitish liquid that looks like a starch. Though it is done all over the country, prices aren’t cheap, a liter of this chemical would cost nearly 4,500 Rupees. For coating a bike, you wouldn’t need that much of quantity. Teflon coating prices for bikes varies from city to city typically around 450-600 Rupees; that includes polishing of the non painted areas like the mudguards and the insides of the fairing. Prices also vary from bike to bike. It doesn’t matter if your bike is new or old, as long as it is polished before Teflon is coated, the bike can really shine. Here’s the whole process, done by a Teflon Coating centre, step by step: Washing The first step of process, to make the bike free from dirt and dust the painted areas and the plastic parts like mudguards, speedometer etc are washed with a mild shampoo, the surfaces are then wiped and dried. This is done so that the paint remains free of dust particles once the coating is applied. A soft cloth is used to make sure no unwanted scratches are also caused so as to ensure maximum quality. Polishing This step involves the application of polish on the painted surfaces. Typical car waxes and polishes are used in this step and in this case, 3M Car Wax. This is done so that the paint has maximum possible shine and gloss before it is coated with Teflon. This process can make dull paints look significantly brighter. Older bikes would have a much better appearance once this step is done. Differences are noticeable on shades like black which visibly fade easily and are the hardest to maintain. Teflon Coating The final step in the process, this is the time to see the tiny bottle of prized liquid, Teflon. It has a particularly pungent smell to it when it is applied onto the paint. This smell however, disappears once it is dried. A soft cotton cloth is used to apply this liquid onto all the painted areas over the bike. It is then left to dry for a few minutes. When the drops of Teflon dry up, it bonds to the surface, this is the time to start to use another piece of dry cotton to massage it onto the surface and turn it into another transparent layer, shiny coating. This can be quite laborious as a lot of effort is required; which is why at some centers polishing equipment is used. Once signs of the drops have disappeared, it is wiped once again with a clean cloth to make it free of any residue or dust. The polishing of other plastic parts is done using a typical liquid car-dashboard polish. This brings out the shine in the non shiny parts and can leave the bike looking better than what it was when it came out of the showroom. For the Fazer, the results were amazing, the paint had a really vibrant gloss and it looked much like a mirror and much better than what it was new. Differences:

  • Even though the bike was brand new, just having run 1,200Km, the paint became much more glossy and shiny. It actually looked better than when it was in the showroom.
  • The new coating is claimed to offer minor scratch resistance, one hard swipe of the finger-nails across the surface can prove that. The paint surface seems to have become a little bit more slippery and tough.

Things to remember:

  • Once the coating is done, it is advised by the centers not to use soap or other detergents on the paint as this can reduce the thickness of the coating. They recommend the use of Ph-neutral shampoo which is essentially car-shampoo that you can buy from any car-accessories stores.
  • Teflon coating can recover from faded paints but it has its limits. It cannot completely remove scratches, the swirl marks on the surface is reduced considerably after the entire process. If you want to recover faded paint in a simple way, just use car waxes made by 3M, Formula1, Prestone, or any other major brand. Scratches can also be taken care of by using Scratch Out, from Formula 1 which is a liquid rubbing compound.
  • The whole process takes just around an hour to 30 minutes depending on the bike.