Techtron, also known as PPS, or polyphenylene sulfide, is a group of engineering plastics that have the highest levels of chemical resistance amongst other plastics. They offer resistance to high temperatures and steams, strong bases, fuels, and acids do not generally compromise its makeup or properties. Its moisture absorption is minimal as is its thermal expansion. It is flame retardant and shows excellent electrical properties. Techtron is used often in tolerance machines components meant to be of a precise nature.
There are four main groupings of this material. The first is Techtron PPS which is not like other PPS products. It is made for close tolerances and perfect for corrosive environments pertaining to structural applications. It can also be used as a replacement for PEEK when it is used in lower temperatures. This particular type is off-white in color.
The second group is the 40% glass-reinforced quadrant PPS which also happens to be the most recognized of all of them. It is compression molded and it gives improved dimensional stability as well as thermal performance than the previously mentioned Techtron. Even temperatures to up to 425 degrees Fahrenheit do not alter its strength.
The third group is the bearing grade quadrant PPS which uses carbon fiber reinforced compression molding along with internal lubrication. Its rate of thermal expansion is quite low and there is no change in the thermal resistance. It is perfect for wear applications in electrical conductors.
The fourth group is the Techtron HPV which is better known for its wear resistance and low rate of friction. It is considered better than the original PPS because of the lack of friction and better than reinforced PPS because it is more resistant to the wear of moving parts.
Techtron has many uses, some of which would never occur to us. As times goes along, we can look forward to seeing it in more applications as well.
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