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Ceramic abrasive grain lasts longer but costs more. Aluminium oxide is the versatile standard. This is the difference in practice.

Wet sanding gives a mirror-smooth base ready for polishing. Here are the steps, the right grits and the pitfalls to avoid.

For the professional painter, preparation determines the result. Here are the practical do’s for interlayer-sanding, material choice and efficiency.

From rust removal to wet sanding: the sanding stages in auto body repair and which sandpaper to use at each stage.

P40 or P320? A clear overview of which grit to use when — from coarse stock removal to the finesse needed for the final coat.