The Sia 4819 Siaron Fibre Disc is made from zirconia alumina and is a market leading product in industrial applications Application: Grinding off weld seams Grinding of aluminium castings Grinding of areas Deburring and edges breaking General dressing work Advantages: Stable edges Active additives guarantee cool grinding with virtually no discolouration of workpieces Materials: mild steel / carbon steel aluminium Structure: Grit: zirconia alumina / semi-friable aluminium oxide Coating: electrostatic closed Bonding: synthetic resin Backing: vulcanized fibre 0.84 mm, vulcanized fibre 0.80 mm Grit range: P024 – P120 Properties: Removal rate: Very high Lifetime: Very long Stability: Very rigid Application: Very hard Cut: Cool
