Shell sand is a common building material.

Shell sand is a kind of building material made from crushed shells. A shell is a Marine creature with a hard shell, which is mainly composed of calcium carbonate. In nature, shells gradually become powdered over time, and these powders can be artificially processed to become shell sand.

1. Interior wall decoration
   Shell sand can be used to decorate interior walls in a variety of different colors and textures. This coating has good adhesion and water resistance, can effectively protect the wall, but also can play a role in beautifying the wall.
   2. Exterior wall decoration
   Shell sand can also be used to decorate exterior walls, making a variety of different colors and textures of paint. This coating has good weather resistance and corrosion resistance, can effectively protect the wall, but also can play a role in beautifying the wall.
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5. 3. Floor decoration
   Shell sand can be used to decorate the floor, making a variety of different colors and textures of the floor material. This material has good wear resistance and water resistance, can effectively protect the ground, but also can play a role in beautifying the ground.
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   4. Ceiling decoration
   Shell sand can be used for ceiling decoration, making a variety of different colors and textures of ceiling materials. This material has good durability and fire resistance, can effectively protect the ceiling, but also can play a role in beautifying the ceiling.
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