4 月 . 16, 2025 16:25
Shell powder is a versatile material derived primarily from the shells of marine organisms such as oysters, clams, and mussels. After collection, the shells are typically cleaned, dried, and then ground into a fine powder.
The physical properties of shell powder are quite remarkable. It usually has a fine - grained texture, with particle sizes ranging from a few micrometers to several hundred micrometers depending on the grinding process. Its color can vary from white to off - white, or even slightly grayish, depending on the source of the shells and any impurities present.
In construction, shell powder is used as an additive in paints and coatings. When incorporated, it can improve the paint's hiding power, durability, and weather resistance. It also helps to reduce the overall cost of the paint formulation. In the production of building materials like cement and bricks, shell powder can be added to enhance strength and workability.
In agriculture, shell powder serves as a soil conditioner. It can adjust the soil pH, making acidic soils more neutral, which is beneficial for plant growth. The calcium in shell powder is also a vital nutrient for plants, promoting cell wall development and overall plant health. Additionally, shell powder can be used in animal feed. It provides calcium for livestock and poultry, which is essential for strong bones, eggshell formation in poultry, and proper muscle function. Its wide range of applications makes shell powder an important and valuable resource in multiple sectors.