The detection of foreign bodies plays a major role in the production and packaging of food to ensure the perfect quality of the products and to prevent contamination, so igus has developed its tribologically optimised plain bearing material iglidur FC 180 (the FC stands for “Food Contact”).
This new material is detectable visually by its blue colour as well as by metal detectors due to the inclusion of appropriate, food-compatible additives. In this way, broken pieces can be quickly detected and removed in the event of damage to the system. As a result, the purity of the product is secured and costly product recalls are prevented.
It complies with the specifications of FDA and EU Regulation 10/2011 and can therefore be used in direct food contact.
“Its low moisture absorption and lubrication-free property are additional criteria that speak in favour of the optimum suitability of the material in applications in the food technology, beverage and packaging industries,” igus Head of Packaging Industry Management Lars Braun explains.
In its spherical bearings range, igus has combined a housing made of igumid FC and a bearing made of iglidur FC180 in self-adjusting igubal bearings, which are approved for direct food contact.
The excellent detectability of the materials has also been confirmed by Sesotec GmbH, the specialist for foreign body detection and manufacturer of metal detectors for the food industry. Fragments of 0.0139g (iglidur FC180) or 0.0157g (igumid FC) can be identified on a conveyor belt when passing through the Sesotec’s Intuity metal detector.
The new vibration dampening bearings are resistant to corrosion and media due to their polymer base, allowing them to withstand cleaning with water and many cleaning agents. As a result, equipment manufacturers and operators in the food industry can now quickly and easily equip their machines with a wide range of igus bearing solutions from Treotham, while saving twice as much. This is because plastic plain bearings don’t have to be serviced and are much more cost effective to buy than solutions consisting of sealed stainless steel bearings with food-grade lubricants.
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