Ultem® PEI (polyetherimide): Custom Parts and Fasteners

Ultem® PEI is a semi-transparent high temperature plastic.
It is used to make custom parts as well as fasteners such as screws, hex nuts,
washers, threaded studs and spacers. It can be both molded and machined. Ultem®
hardware is also available in glass-filled grades for enhanced strength and
stiffness. (Glass-filled grades are opaque.)

Ultem® PEI Properties:

It is an amorphous plastic. Therefore it has a molecular
structure that lacks a continuous repeating form.

Ultem® PEI has no definite melting point. … Read more

3 Top Reasons There is a Shortage of Nylon 6/6

Worldwide Shortage of Nylon 6/6
Currently, there is  a shortage of nylon 6/6 worldwide.  This is because there is a shortage of the key precursor adriponitrile or ADN. Nylon 6/6 is used extensively to make automotive parts, as well as cable ties, power tools, nylons, fabric, fasteners and is used in numerous industrial applications. Nylon 6/6 provides the best mix of process-ability, performance and value for the price for these applications.
Damage to ADN Processing Plants
Firstly, … Read more

History of the Screw

No Historic Evidence for the First Screws
We do not have historic evidence to show when the screw was first created. However,  it is believed that by the first century it was used in a screw press. But we also know that screw presses were used in Roman times to squeeze olives for oil and grapes for wine.  Archytas of Tarrentum is credited by the Greeks with the invention of the first screw.  However, Archimedes the Greek philosopher  … Read more

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