During this period, she found that the water poured out from the water bottle would sink to the bottom of the glass,
I want to know what these bright fragments are and worry about whether drinking them will be harmful to your health. Therefore, it is necessary to understand the production process flow of glass bottles
Cheng explains why this happens.
First of all, we should know what the raw material of cosmetic glass bottle is made of two layers of glass inside and outside. What is the raw material of glass: the main raw material
It is quartz sand, what is called quartz sand, and its chemical name is silica. It can be extracted from sand for construction, river sand, sea sand and weathered sand.
Besides silicon dioxide, it also contains iron oxide, clay, mica and organic impurities. Whether the grade is high or not depends on the silica in the quartz sand
Whether the content is high or not.