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The Zirconium disc centre hole Ø 150 Velcro has a distinctive blue colour. It is specially designed for work on metals and hard materials, ensuring maximum efficiency during the roughing phase. However, it is generally not recommended for finishing work, as it can leave slight micro-scratches on surfaces. One notable advantage is that the grit can sharpen naturally during sanding, prolonging the life of the discs. The average sanding area can vary depending on the material, with an average of around 90 to 100 square metres per disc.
It is important to note that zirconium abrasives are commercially available in a wide range of qualities, with zirconium concentrations ranging from 20% to 60%. As a result, products from the Repex range, which contain 60% zirconium, are recommended for optimum performance.
