1, rough grinding?

Soak the stone in clear water for 2 ~ 3 days, so that the topsoil is fully dissolved. After it absorbs water, use coarse sandpaper to polish it, mainly to polish the bumps and gaps. ?

2. Fine grinding?

Put the stone into a grinding machine for fine grinding, and the specifications of the grinding head alternate from coarse to fine. If there are many surface textures, use a fine grinding head to remove impurities to ensure that the surface is smooth and not impatient. ?

3. polishing?

Fine grinding with 600-2000 mesh sandpaper in turn, mainly grinding edges or gaps. When there is no obvious scratch on the surface, tools such as brush wheel and wool wheel can be used for polishing at this time.

Matters needing attention in jade polishing?

When polishing jade, it is recommended to wear non-slip gloves before operation to avoid jade slipping from your hands and causing damage. In addition, wool is the best felt, because wool is fine and soft, and polishing oil can be applied to the jade surface more evenly.