Walnut shell for polishing and cleaning, 3 kg ☆☆&#973

Perfect for all precious metals, for polishing and cleaning of jewellery and for prepolishing of amber.

For the dry use with a rotary or vibratory tumbler.

Usable with additives like Cerium oxide or Chromium oxide.

Grain size: 1.7 - 2.4 mm
Hardness in Mohs: 2.5
Spec.weight:  app. 0.92 g/cml
Real weight: app. 0.72 g/cml

Manufacturer / EU-Responsible  under GPSR:
Aurophilist
Katja Preibisch
Roessingstrasse 1
38835 Osterwieck
Germany