Roller bearings are made suitable for storage using preservative oil or special waxes in regular delivery condition. As part of special greasing, we have to ensure an oil-free, purely metallic surface for special greases (PTFE). The use of a test ink allows us to precisely monitor our systems’ cleaning performance.
In principle, roller bearings only purposefully contain silicones in exceptional cases. However, silicone oils are popularly used as separating agent in the production of seals or to repair production facilities, which causes the bearings to become contaminated. Special test inks are used in order to guarantee a LABS-free condition (paint wetting disrupting substances), as is required when it comes to gluing, painting or printing. To achieve a LABS-free surface on roller bearings, Findling plasma cleans them and the cleaning performance is then checked using a test ink.