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What is raw lacquer
What is raw lacquer?

Lacquer is also known as lacquer, lacquer, wood lacquer, lacquer.

Natural lacquer is one of our country's specialties, known as China's "three treasures" (tree cut lacquer, silkworms spit silk, bees do honey) reputation. From the primitive forests and natural lacquer tree family, natural lacquer is artificially cut from the lacquer tree natural lacquer tree sap, natural lacquer lacquer mainly consists of macromolecules within the lacquer phenol, lacquer enzyme, tree gums and water. The application of natural lacquer coating has a long history, and it has played a good role in coating chemical industry, light industry, and power plant corrosion prevention and specific high temperature resistance project. China's history of discovery and use of natural lacquer can be traced back to more than 7,000 years ago, according to historical records, "Lacquer is used, starting with the book of bamboo slips, and Shun made food utensils, black lacquer, Yu made sacrificial vessels, black lacquer on the outside, and vermilion painting on the inside." In Zhuangzi - The World of Man, there is a record of "Cinnamon is edible, so it is cut down, and lacquer is available, so it is cut down". Natural lacquer has been recognized as the "king of paints" in the world.

In China, the main producing areas of natural lacquer are Sichuan, Shaanxi, Henan, Shanxi, Gansu, Hubei, Guizhou, Yunnan and other provinces, in addition to China and Japan, North Korea, Laos, Vietnam, Myanmar, Thailand, Iran and so on.

Natural raw lacquer is divided into four major categories, namely, Maoba lacquer, Chengkou lacquer, Southwest lacquer, and Northwest lacquer.

The properties of natural lacquer (lacquer tree species, origin, climate, soil, etc. have a greater impact on the performance of raw lacquer) are as follows.

(1) the paint film has excellent physical and mechanical properties, the paint film is hard, the hardness of the paint film (0.65 ~ 0.89 film value / glass value). Paint film wear strength, paint film gloss bright, elegant brightness, strong adhesion.

(2) The paint film has high heat resistance and good durability.

(3) The paint film has good electrical insulation properties and certain anti-radiation properties.

(4) The paint film has anti-corrosion, strong acid, strong alkali, solvent resistance, moisture, mold sterilization, good soil resistance.

(5) drawbacks: the paint film is not good ultraviolet resistance, individual human skin allergies.