Sheet in PEEK 1000x500 mm beige

PEEK is one of the toughest engineering plastics there is. As a sheet you get a semi-finished product that combines high temperature resistance with good mechanical strength and low creep, which makes it useful where other engineering plastics reach their limit.

The material handles 260 degrees continuously and takes short peaks up to 300 degrees. That means a PEEK part can stay in a process where PA, POM or PET would have softened or deformed long ago. The fire rating is V0 according to UL 94, which is useful in automotive, aerospace and electrical applications where a self-extinguishing material is required.

Mechanically, the tensile strength according to ISO 527 is around 116 MPa and the ball indentation hardness around 253. The material keeps its stiffness far up in temperature and has low friction against steel, which makes it attractive for sliding and abrasive applications. Impact strength is limited compared to PA, but that is offset by PEEK holding its properties across a much wider temperature range.

Water absorption is around 0.03 percent, which means dimensional stability is good even in a damp environment. Chemically, PEEK resists practically every industrial solvent, base and weak acid. Concentrated sulfuric acid attacks the material, but in other environments you can normally count on the same machine part year in and year out.

The PEEK sheet is used for components where heat, chemistry and mechanics meet at the same time. Typical applications are wear strips in packaging machines, bushings and thrust bearings in high speed setups, insulating parts in measuring equipment, cams and guides in sterilizers, and customer specific machine parts that have to survive autoclaving. In medical technology and lab environments, PEEK is often the choice when stainless steel gets too heavy or conducts where it should not.

The sheet is usually supplied in beige natural color. That is the PEEK base material's own shade. Thicknesses run from thin sheet material and upward, and we saw and mill to the size you want. In CNC machining, count on the material being hard, but kind to the tool as long as you keep the feed low and cool properly. The direction of grooves and drilling should be taken into account, since extruded PEEK sheets can carry small internal stresses that release during material removal.

Keep in mind that PEEK pays off over its service life, not at the moment of purchase. Do the math against running time, replacement intervals and downtime cost instead of against the price tag per kilo. The material also comes in modified grades with carbon, glass or PTFE for specific needs; if you are torn between pure PEEK and a grade with additives, we will help you pick the right one.

Do you need help judging whether PEEK is the right choice for your application, or whether a modified grade suits you better? Get in touch and we will go through the requirements together.

The 1000 x 500 mm format in beige PEEK is a manageable standard sheet for single parts and smaller runs.