The high borosilicate glass cups produced by glass manufacturers exhibit excellent high-temperature resistance, high chemical stability, and low expansion rate, making them widely used in the pharmaceutical packaging, craft accessories, drinking water containers and other product industries. The high borosilicate glass cups produced by glass manufacturers do not contain toxic substances, and the high temperature and acid resistance of the high borosilicate glass cups produced by glass manufacturers make it difficult for harmful substances to precipitate in daily drinking water use. Therefore, many people choose the high borosilicate glass cups produced by glass manufacturers when purchasing glass cups.
So, how do you determine if a glass water cup is a high borosilicate glass cup?
The high borosilicate glass cups produced by glass manufacturers are generally divided into four processes for production.
1. Artificial mold rotary blowing (over 90%).
2. Artificial iron mold blowing (within 5%).
3. Pure handmade (very rare).
4. Large furnace mechanism.
The high borosilicate glass cups produced by glass manufacturers can withstand an instantaneous temperature difference of about 150 ℃, making them safe to hold both hot and cold drinks. The main processes are manual blowing and semi-automatic assembly lines, as well as special cases of pressing.
1. You can put the cup in the refrigerator, refrigerate for 24 hours, take out and pour 100 degrees hot water. If it explodes, it is definitely not high borosilicate glass.
2. The high borosilicate glass cup has better transparency, finer body, and smoother feel. High temperature resistance and resistance to sudden cooling and heating are the biggest characteristics of high borosilicate glass cups produced by glass cup manufacturers.