When the epidemic is over, be sure to cherish the time with you!

Release time:

2024-01-29 09:38


When the epidemic is over, be sure to cherish the time with you!


Under the epidemic of love,

Is the ordinary in the watchman,

It is an unswerving guardian in times of crisis,

It's the tacit understanding of choice,

It's the money's righteousness before the predicament.

They, in the front line, the interpretation of the most real love......

Tribute to the great retrograde!

When the epidemic passes,

Who do you most want to see?























Time, epidemic situation, love, watching and helping each other, guarding, appearance, they, most want to, cherish

Different applications and specifications of washed kaolin and calcined kaolin


Kaolin is a non-metallic mineral, which is a kind of clay and clay rock mainly composed of kaolinite clay minerals. Because it is white and delicate, also known as white earth. It is named after Gaoling Village, Jingdezhen, Jiangxi Province.

Source Lei gas barium sulfate ten uses


Barium sulfate is based on barite as the main raw material, through beneficiation, ore washing, crushing and other processes. Barium sulfate has a hardness of 3~3.5 (Mohs) and a specific gravity of 4.3~4.7. It has the characteristics of high specific gravity, low hardness and brittleness. Barite is almost insoluble in water, ethanol and acid, soluble in hot concentrated sulfuric acid. With the development of some high-performance barium sulfate products, the application field of barium sulfate is constantly expanding.

Yuan Lei's Little Knowledge | Talcum Powder Classification and Use


The main component of talc is hydrated magnesium silicate, which is monoclinic. The crystals are false hexagonal or rhombohedral flakes. Ores are usually dense massive, leaf-like, radial, fibrous aggregates. Colorless transparent or white, but with a small amount of impurities and light green, light yellow, light brown, light red and even black; cleavage surface was pearl luster. Soft, Mohs hardness 1-1.5, specific gravity 2.7-2.8.