The powdered rosin is ground passing a single filter and contains fine powder with a small proportion of slightly larger grains.

Usage:

• sports: in climbing, ballet and gymnastics it increases the grip
• arts and crafts: sizing for papermaking, additive for historical color varnish ( e.g. violine varnish)
• electronics: solder flux
• incense
• printmaking: rosin dust to powder the copperplate for aquatint
• and many other uses

Rosin is a natural product and is prepared from the resin produced by pine trees.