PTFE kevlar and Aramid fabric substrates are coated and processed in exactly the same way as PTFE-coated fibreglass fabric materials. Ptfe kevlaror aramid has two main advantages over ordinary fibreglass fabric: It offers a much higher strength level, which brings some advantages when used as a conveyor belt material. Ptfe kevlaralso offers a high degree of resistance when exposed to hot environments in combination with water, especially steam. PTFE fibreglass conveyor belts would lose much of their service life under the conditions. The material itself is yellowish, not caramel brown like fibreglass fabric. The desired surface quality of this material can be achieved just as easily as with glass fibre fabric through the dip coating process. Both closed and open meshes are available. For open mesh fabrics, a standard 4 mm2 mesh is most common, while for closed mesh fabrics, a thickness of 0.5 mm is most common. In some types of fabric, Ptfe kevlaryarns are used as warp threads and glass fibres as weft threads, creating a hybrid fabric. It is possible to add pigments to change the colour, but this is often not necessary. Antistatic versions are also available; these are black rather than yellow because graphite has been added during the coating process to give the material the resistance it needs as an antistatic product. This graphite is also offered on standard fibreglass fabrics.
Details aboutPtfe kevlar
Kevlar has a good level of strength and resistance down to very low temperatures ( 196°C). It is even slightly stronger at low temperatures. When exposed to higher working temperatures, the tensile strength immediately reduces by 10-20%. After a few hours, the strength decreases further gradually. For example, there is a 10% decrease in strength after 500 hours at 160°Celsius. At 260°C, the strength decreases by 50 % after only 70 hours. Here summarised the advantages:
- It does not burn at any case
- It is resistant towards almost any chemicals
- it has a surface where nothing sticks on
- Almost no water absorption
Risks
Teflon virtually sells itself. Two generations after the first Teflon tableware boom, we have to realise once again that so-called innovative developments often come at a high price for our health. Recent research shows that 95% of Americans have detectable levels of Teflon-related chemicals in their blood. It has been shown to be toxic to pet birds and laboratory animals. Now one could assume that Ptfe has the same positive effect in the blood as it does on the pan. Maybe the blood flows better? Maybe less plaque forms, which would reduce the risk of stroke or heart attack? Unfortunately, this is not the case. Teflon is a brand name and stands for polytetrafluoroethylene (PTFE), which was discovered by DuPont scientist Roy J. Plunkett in 1938 and introduced as a commercial product in 1946. Nowadays companies sell products such as Ptfe kevlar and others. If you want to buy a securePtfe kevlar belt than it is worth checking out Hardick suppliers for smooth production. Simply go to hardickptfe.com”>hardickptfe.com. Here you can find a wide range ofPtfe kevlar and conveyor belts.