Sandpaper; waterproof, 20 cm, grit 1 μm, approx. 0.1 mm thickness; 1 piece

Waterproof sandpaper with 20 cm diameter and 1 μm grit, approx. 0.1 mm thickness; 1 piece.

Waterproof abrasive paper with silicon carbide for grinding and processing minerals and many other materials. Due to the plastic-like material, it can be used optimally even wet without breaking.
 
 

Picture shows sample.

 
 
sanding, polishing, processing, smoothing, machining, water resistant