
Thanks to their outstanding properties, polyurethane materials have long since become firmly established for the coating of cylinders. Our plastics exhibit high resistance to abrasion and tear propagation, and are resistant to solvents, glues, fuels, mineral oils, paints and greases These are just some of the reasons why more and more cylinders are being used with a polyurethane coating.
Cylinder coatings are available with hardnesses from 20° Shore A to 70° Shore D depending on the method of manufacture. Internorm produces sandwich systems with a softer core and harder outer facings, profiled cylinders with crown or conical grinding as well as plain cylindrical designs.
Three different methods of manufacture are available to cover different applications. For instance, paint application cylinders are mainly produced using the elaborate hot-casting technique, whereas conveyor and other heavily loaded elements are produced using rotational moulding. Wherever the surface characteristics are not the number one priority, e.g. feed cylinders for the woodworking industry, Internorm's Intec E cold-casting system represents a cost-effective and hardwearing material that is quickly processed.
Internorm cylinders can be supplied complete with a core but also as a new coating. They are manufactured accurately according to customer specifications and checked in our quality assurance department. In the case of special designs, you can call on Internorm's team of advisers, who are thoroughly familiar with this topic.
In those fields in which polyurethane cylinders are not used, we can also offer you blends based on rubber and silicone.
The decision as to which material is the best for any particular application depends on the chemical and physical loads and the cylinder specification. Our qualified specialists will be happy to visit your premises and advise you about the use of the right grades.
Internorm has made a name for itself in the international market for rollers and cylinder coatings. Whether in the can, steel, wood or plastics industries or in mechanical engineering generally, Internorm cylinders are durable and accurate.
Nevertheless, polyurethane is not the right choice for every application. Therefore, Internorm can supply other synthetic coatings, e.g. NBR, EPDM, sponge rubber and silicone.
When the going gets tough...
lengths up to 5500 mm and diameters up to 1200 mm
polyurethane coating with ribbon flow technology

polyurethane coated rollers with ribbon flow production for conveyor wheels, s rollers, squeezerollers and transportrollers