ã€ä¸çŽ»ç’ƒç½‘】 ã€Ordinary glassware】
The chemical composition of ordinary glassware is mainly based on a soda lime silicate glass system. Soda-lime glass is easy to be melted and processed, and is inexpensive, so it generally has no special requirements for heat resistance and chemical stability, and thus is widely used for ordinary glassware products.
[crystal glassware]
Crystal glass is a high-grade art glass, smooth and crystal clear, just like natural crystal, so it is also called crystal glass. Crystal glass can be divided into three types according to the amount of lead oxide, such as low lead crystal glass, medium lead crystal glass, high lead crystal glass. According to lead or not, it can be divided into two categories: lead-free crystal glass and lead-containing crystal glass.
[heat resistant glassware]
The so-called heat-resistant glass requires the glass to have a certain thermal stability. For glassware, the glass should firstly meet the resistance to hot and cold. The chemical composition of such glassware is generally based on the choice of borate glass systems.
ã€Microcrystalline glassware】
The so-called glass-ceramic is to add a certain nucleating agent component to a specific base glass, melt it according to a conventional method, form it, and then heat-treat at a certain temperature, the glass becomes microcrystals and glass. A homogeneously distributed composite material is referred to as glass-ceramic, also known as glass-ceramic or crystallized glass.
[tempered glassware]
The tempered glassware is a product made of ordinary ware glass, which is subjected to a tempering process to improve the mechanical strength of the glass. The tempered glassware can be divided into air-cooled tempering and liquid-cooled tempering according to different tempering processes. And chemically tempered glassware.
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