What materials are glass bottles made of ?

What materials are glass bottles made of ? Raw material of the glass bottle made of is mainly including Soda Ash, Quartz Sand, Crushed Glass and other formula combinations. Their Proportion are 30%, 20%, 10% and 40% respectively. Pls see the  pie chart below. If you were purchasers, sales or the marketing person, we think that the main raw material could be working for your questions from your customers.If you were an engineer, except the main raw material and their proportion  you must know much more, actually, there are 20 types raw material for our glass bottle, including soda ash, quartz sand, barium carbonate, sodium nitrate, lithium feldspar, zinc powder, cobalt powder, lithium feldspar, dolomite, potassium carbonate, aluminum hydroxide, sodium fluorosilicate, borax, clarifying agent, broken glass, etc. Based on the 20 years experinece on the glass bottles manufacturing and sales, we could let you know the conclusion above. Of course, Whatever you are sales person or engineers, if you knew mich more, that would be better for you understanding the glass bottles manufacturing.

Chart 1: Proportion of glass bottle raw material

If you were a purchaser, when you visited a glass bottle factory, I think that you have much interesting to have a look at the raw material warehouse of your supplier, that is not only you would like to see know the first step of glass bottles manaufacturing, but also want to check and know what about the raw material quality of glass bottles for your suppiler, to be some extent, the raw material is a very important variable that impcat the quality of glass bottles, especially for the appreance of glass bottle.Because the raw material is important, we have to pay much attention on the content of heavy metal that caused by the raw material mixing and its chemical reaction in the following processings. For us sacled and professional glass factory, I would like to let you know that the Cd<0.02mg/L and Pb<0.2mg/L, GB31604.49-2016 GB4806.5-2016 standards are strictly enforced by us.

For the raw material of glass bottles, if you were a sales person, you could know that customers would ask you to provide the COA or Material Declaration, because your customer would like to know about the details of your raw material. That is reasonable and right, however, based on the industry regulation, glass factory would supply you the general only, but not for the exactly, because of the formula, that is belong to a concept of business secret for glass factory. For this point, customer shall understand it.