There have been glass bottles in China since ancient times. In the past, scholars believed that glass ware was very rare in ancient times, recent studies suggest that the production and manufacture of ancient glass ware are not difficult, but it is not easy to preserve, so it is rare to see later generations.Glass bottle is a traditional beverage packaging container in China, and glass is also a kind of packaging material with a long history.
Recycling
Glass Bottle Recycling The amount of glass bottles recycled is increasing every year, but the amount of recycling is huge and incalculable.According to the Glass Packaging Association, the energy saved by recycling a glass bottle can keep a 100-watt light bulb running for about four hours, a computer running for 30 minutes and watching 20 minutes of television, so recycling glass is a big deal.Glass bottle recycling saves energy, reduces the amount of waste in landfills, and provides more raw material for other products, including glass bottles.
Long history
Glass containers appeared in the Han Dynasty. For example, a glass plate with a diameter of more than 19 cm and a glass ear cup with a length of 13.5 cm and a width of 10.6 cm were unearthed from Liu Sheng’s Tomb in Mancheng, Hebei.Han Chinese and western traffic developed, outside the glass when introduced into China, a Qiong jiang county, jiangsu east will have been excavated in writing three pieces of purple and white glass pieces, its composition, shape, and beat the child techniques, are typical of Roman glass, this is the physical evidence of western glass was introduced into China.In addition, the tomb of Nanyue King in Guangzhou also unearthed blue plate glass decorations, which are not seen in other places in China.
During the period of Wei, Jin and Southern and Northern Dynasties, a large number of western glassware were imported into China, along with the technology of glass blowing.Due to innovative changes in composition and technology, the glass container was larger, the walls were thinner, and it was transparent and smooth.The glass convex lens was unearthed from the tomb of Cao Cao’s clan in Bo County, Anhui Province.Glass bottles were unearthed at the Northern Wei Fo Tagaki in Dingxian County, Hebei Province.Many polished glasses were also unearthed from the tomb of the Eastern Jin Dynasty in Xiangshan, Nanjing, Jiangsu.There are 8 pieces in total, including flat bottle, round bottle, box, egg-shaped device, tube-shaped device and cup, etc. All of them are intact.
In the Eastern Zhou Dynasty, glass objects increased in shape. In addition to the ornaments such as pipes and beads, we also found bier-shaped objects and sword and swords .Glass seals have also been unearthed in Sichuan and Hunan.At this time of the glass texture is more pure, color
Packaging industry
The main characteristics of the glass container are: non-toxic, tasteless;
Transparent, beautiful, good barrier, airtight, rich and common raw materials, low price, and can be used for many times.It has the advantages of heat resistance, pressure resistance and cleaning resistance. It can be sterilized at high temperature and stored at low temperature.Because of its many advantages, it has become the first choice of packaging materials for many drinks such as beer, fruit tea and jujube juice.71% of the world’s beer filling in glass bottles, accounting for 55% of the global glass beer bottles, has more than 50 billion each year, the mainstream of glass beer bottles for beer packaging packaging.
Post time: May-12-2021