Jade polishing process and materials

Grinding and polishing material: oil stone strips,Water sandpaper,

Cowhide, polishing paste powder, diamond polishing powder, sponge, paraffin wax, cloth wheel, diamond drill, diamond file.

Jade polishing steps: fine grinding, cover bright, cleaning, waxing, wiping

Jade polishing, process and steps are more, jade polishing for the last process. Polishing determines whether the luster of the jade is even and when it is crystal clear.

There are two types of polishing in the jade industry: machine polishing and hand polishing. Machine polishing saves time and trouble, and costs less for quick results, but the effect is not very good, not fine enough, easy to wear away the corners of the jade, and the details and crevices of the polishing effect is relatively poor. Hand polishing, consume long time, high cost, but because the time invested is longer, polishing more delicate, so the jade luster is relatively uniform, better quality.

Jade polishing effect is divided into, matte, natural light matte, bright and so on. Matte is the latest craftsmanship, the surface has subtle traces of frosting, the luster is on the dark side, and it needs to be played with by hand for the luster to be fully reflected. Natural matte has a more natural luster, not dark or bright, and is more rustic. The glossy surface is very bright and reflective, so you can see the inner structure of the jade, and the color is a bit off-white.

Jade hand polishing steps:

The first one:

1. first use a diamond drill bit through a power tool to trim the shape of the jade piece.

2. Use diamond assorted files for fine trimming.

3. Use the appropriate size of sandpaper, from coarse to fine large area repair grinding.

4. Use cloth wheel to apply film polishing paste for large area polishing.

5. Fine polishing with felt coated polishing paste.

6. Use 1200 grit sandpaper for hand fine polishing.

The second kind:

1. Apply paste polishing powder to the surface of the jade piece.

2. Sand the surface with a 2000 mesh wheel.

3. Repeat the above steps 2-3 times

4. Apply diamond polishing powder and throw it with a hard bristle brush.

5. Depending on the size, use bamboo, toothpicks, chopsticks and other

Dip the diamond powder and polish the fine parts of the workpiece.

6. Apply diamond powder and polish with cowhide.

7. Wash off the polishing powder.

8.Wash off and blow dry after waxing.

The third kind:

Jade with high hardness, use diamond abrasive tools for carving. After polishing.

1. Rough grinding with 1000 mesh-2000 mesh diamond abrasive tools.

2. Fine grinding with 1600 mesh-1800 mesh diamond abrasives.

3. Use cowhide to stick 2800 mesh-3000 mesh diamond polishing powder and rub it repeatedly on the bright.

4. do waterproof and dirt-proof over-waxing.

The fourth kind:

1. use 600 mesh, 1500 mesh water sandpaper to hand polish until no trace.

2. Make paste polishing powder.

3. Use cowhide to stick the paste polishing powder and polish the jade repeatedly until bright.