Sodium is the main component of soap made from olive oil and the main component of tallow soap. It can also be made by reacting sodium hydroxide with oleic acid.

Silicon monoxide is an inorganic compound with a chemical formula of SiO. It is a black-brown to yellowish amorphous powder under normal temperature and pressure. It has a melting point of 1702°C, a boiling point of 1880°C, and a density of 2.13g/cm³

Silicon nitride is considered a very important engineering ceramic because it is suitable for many different forms, and each form has unique characteristics.

Nano diamond has been widely studied in biological, electronic and quantum engineering fields due to its low cost, easy large-scale synthesis, surface functionalization and high biocompatibility.

Zinc sulfide is a white to off-white or light yellow powder, and the color becomes darker when seen. Zinc sulfide is stable in dry air, and when left in humid air for a long time or contains moisture, it will gradually oxidize to zinc sulfate.

Nitinol shape memory alloy is a kind of functional material with high strength, corrosion resistance, good biocompatibility, non-toxicity and promising medical applications. After the Nitinol shape memory alloy is deformed in the low temperature phase, it

Zinc stearate is an organic substance with a chemical formula of C36H70O4Zn. The aqueous emulsion of zinc stearate is called zinc stearate emulsion. It has a wide range of applications and can be used as a release agent, color retention agent, lubricant,

Silicon nitride is an inorganic substance with the chemical formula Si3N4. It is an important structural ceramic material with high hardness, inherent lubricity, and wear resistance.

Nano silicon powder is a new generation of photoelectric semiconductor material, which has a wide gap energy semiconductor and is also a high-power light source material.

Nitinol is a kind of shape memory alloy, which is a special alloy that can automatically restore its plastic deformation to its original shape at a certain temperature, and has good plasticity.