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Material and classification of glass packaging containers

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glass is a transparent substance of one or more guiates, which can be classified according to its raw materials, composition, chemical composition and color:
according to its raw materials, it can be divided into:
first, calcium sodium glass, which is the most common glass used to make bottles, cups, lampshades and low-cost presses
II. Leaded glass can be made into smooth crystal glass, which is most suitable for tableware and decorations
III. colored glass, oxides of various metals, can be added to glass to obtain glasses of various colors
for example, cobalt oxide is used to make blue glass, and manganese dioxide makes the glass purple
it can be divided into:
I. single glass:
1 Sodium silicate
2 Potassium silicate
3 Lead silicate
II. Bonding glass:
1 Lead alkali glass
flint glass
crystal glass
hollow ware glass
2 Soda lime glass
crown glass
sheet glass
plate glass
bottle glass
3 Potash lime glass
Bohemia glass
4 Soda barium glass
pressed glass
5 Boro silicate glass
optical glass
enamel
gems
according to its chemical composition, it can be divided into:
I. calcium sodium glass (calcium glass or sodium glass) (lead-free crystal glass)
Na2O Cao SiO2 glass, with sodium oxide (Na2O), calcium oxide (CAO) and silicon oxide (SiO2) as the main components
II. Potassium glass (lead-free crystal glass)
k2o-cao-sio2 glass, with K2O, Cao and SiO2 as the main components
III. lead glass
1 Pbr2o, pbr2o-cao and pbr2o-cao glasses are mainly composed of less than 16% pbr2o-cao
2. All lead crystal glass
r2o-pbo-sio2 glass. R2O, PBO and SiO2 are the main components, and pbo17-23%
3. High lead crystal glass
r2o-pbo-sio2 series glass, with R2O, PBO and SiO2 as the main components and pbo24% or more
IV. borosilicate glass (heat-resistant crystal glass)
r2o-b2o3-sio2 series glass, with R2O, PbO, B2O3 and SiO2 as the main components, and the coefficient of thermal expansion is below
according to its color, it can be divided into:
1. Colorless transparent glass
2. Colored glass
3. Emulsified glass
1 Opal glass /Jade nitrate
2 Alabast glass /semi jade nitrate

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