There are several types of sealing materials. Description of sealing material.

1, according to the type of texture, metal materials are generally divided into brass seal and copper seal, stainless steel, aluminum and a few lead-zinc alloys.

2. Crystal materials include crystal seal, ink seal, tea seal, cotton seal, innocent seal and gold seal.

3. Made of jadeite agate, there are jadeite seal, agate seal, artificial agate seal, white jade seal and jade seal.

4. Made of horny materials, including ivory prints, artificial ivory prints, horn prints, etc.

5. Made of stone, including bloodstone, Tian Huangshi, Shoushan stone, Qingtian stone, frozen stone and marble.

6. Made of wood for carving seals, mainly white peach wood, pear wood or boxwood.

7. Plastic, as a material for carving seals, has appeared in modern times, such as tooth stamping, tooth stamping and tooth engraving.