Heat-resistant glass fresh-keeping box, made of high borosilicate glass material, is also recognized as a good fresh-keeping box, as consumers pay more attention to health, people pay more attention to whether the material used in the fresh-keeping box itself is healthy.
An appliance for brewing coffee. The coffee pot is one of the earliest inventions in Europe. It came out in France in 1685 and was widely circulated in various places during the Louis XV period. There are three types of modern electric coffee makers: percolation, drip and vacuum.
The advantages of glass experimental instruments: easy processing, low cost, transparent and suitable for repeated use, but also able to withstand higher heating temperatures.
The all-glass vacuum solar collector tube is composed of an inner glass tube with a solar selective absorption coating and a coaxial cover glass tube. The inner and outer tube interlayers are pumped into a high vacuum, which is used to collect solar heat to heat the fluid medium in the tube. Device. A number of all-glass vacuum solar collector tubes must be regularly arranged in an array and assembled with headers, tailstock and reflectors to form a solar collector. It forms a split solar water heating system with circulating pipelines, water storage tanks and other components.