Plastics Technology

The majority of the polymers that today we rely on for outstanding performance — such as polysulfone, polyethersulfone, polyphenylsulfone and PPS — were introduced in the period between 1965 and 1985. Here’s how they entered your toolbox of engineering of materials.    

Rheometers are generally not on all the time. And most users have found that the first test run in the instrument after heating up is not very reliable and is usually discarded. Try this method instead.