The world of glass bottles is a wonderful world, all of which begins with the colors of glass bottles. We can see that liquor bottles are transparent and colorless, beer bottles are green, brown and amber, grape bottles, essential oil bottles and olive oil are dark.
These different color glass bottles not only enrich the packaging market, but also meet the special needs of different products. For example: dark glass bottles can meet the needs of wine, olive oil and essential oils.
Glass bottles also take advantage of the variety of appearance in the market with other material packaging. Then, many people have a doubt, how are these colors made of glass bottles? I believe there are many people interested in it. In fact, the glass bottle color is often added to a certain proportion of two oxidation into the glass melts. Manganese.
Different proportions of manganese dioxide, will appear in different colors of glass bottles. Glass contains a variety of metal compounds, which can be dyed in various colors. Add cuprous oxide, you can get red glass. Yellow and purple make white, and the glass becomes colorless and transparent. Manganese dioxide is an oxidant that oxidizes green divalent iron ions to yellow ferric ions and manganese to purple trivalent manganese.