Glass bottles are mostly used in cosmetic jars because they are highly transparent and resistant to corrosion and do not change in material properties when in contact with most chemicals. It is worth noting that expired cosmetics are hazardous wastes that need to be dug up and cleaned internally. Glass-based cosmetic cans are recyclable.
Common cosmetics are spread on the surface of the human body by smearing, spraying, etc., and finally achieve the purpose of cleaning, maintenance, beauty, modification and appearance change, belonging to chemical industrial products or fine chemical products. Therefore, cosmetics usually use glass as the outer packaging to ensure chemical stability.
There are a wide variety of glass bottles, from small bottles of 1ML to large bottles of dozens of liters, from round, square, to shaped and handle bottles, from clear, amber, green, blue, black shaded bottles and opaque The opaque glass bottle and so on. The choice of glass packaging materials and containers has many advantages:
1. The glass material has good barrier properties, can prevent the gas such as oxygen from invading the contents, and can prevent the volatile components of the contents from volatilizing into the atmosphere;
2, glass bottles can be used repeatedly, can reduce packaging costs;
3, glass can easily change color and transparency;
4. The glass bottle is safe and hygienic, has good corrosion resistance and acid corrosion resistance;