Decoration building materials classification and performance characteristics (glass products)
Home decoration for everyone to collect the characteristics and performance of 27 kinds of glass products, these glass products are the most common building materials, glass building materials, decoration materials are closely related. Therefore, a friend who wants to buy glass building materials must be careful to see the characteristics of these glass products, do not buy the wrong, do not be fooled.
First, ordinary flat glass, also known as window glass. Flat glass has the characteristics of light transmission, heat insulation, sound insulation, abrasion resistance, and weather resistance, and it also has features such as heat preservation, heat absorption, and radiation protection. Therefore, it is widely used in doors, windows, interiors of decorative buildings. Wait. Flat glass specifications are usually divided into 2mm, 3mm, 4mm, 5mm, and 6mm thicknesses, and also 8mm and 10mm. General 2mm, 3mm thick suitable for civil buildings, 4mm - 6mm for industrial and high-rise buildings.
The main defects that affect the quality of flat glass are air bubbles, stones, and tendons. Bubbles are hidden voids in the vitreous body and are produced inadvertently during the cooling phase of the manufacturing process. Stones, commonly known as earthworms, also called sand grains, are solid inclusions present in glass. This is the most dangerous defect in the glass body. It not only destroys the appearance and optical homogeneity of glass products, but also greatly reduces the mechanical strength of glass products. And thermal stability may even cause the product to fragment itself.
Good flat glass products should have the following characteristics: 1, colorless and transparent or slightly pale green; 2, glass thickness should be uniform, the size should be standardized; 3, no or little bubbles, stones and ripples, scratches, etc. A little bit.
When the user purchases glass, they can put the two glasses together flatly to match each other. When they are opened, if a lot of effort is made, the glass is very smooth. In addition, we must carefully observe the presence of bubbles, stones, striae, and scratches in the glass. The quality of the glass is 60 cm away. The back light is visible to the naked eye and large or concentrated air bubbles are not allowed. No corners or cracks are allowed. Son, the surface of the glass allows to see that the maximum angle of the tendon and the line should not exceed 45 degrees; scratching sand should be less preferred. The glass is stored in a humid place for a long period of time. A layer of white enamel will form on the surface, which will greatly reduce the transparency of the glass.
Second, hot melt glass. Hot-melt glass, also known as crystal three-dimensional art glass, has become the focus of design units, glass processing owners, and decorating and decorating owners with its unique decorative effect. The hot-melt glass spans the existing form of glass, giving full play to the designer's and processor's artistic conception, incorporating modern or classical art forms into the glass, and making the flat glass to produce a variety of concave and convex, different colors and artistic effects. . There are many types of hot-melt glass products. At present, there are hot-melt glass bricks, hot-melt glass for doors and windows, large wall-embedded glass, cut-off glass, integrated bathroom glass washbasin, finished mirror frame, glass artwork, etc. Unique glass materials and artistic effects are very extensive. Hot-melt glass is a special hot-melt furnace, with flat glass and inorganic color materials as the main raw materials, set a specific heating program and annealing curve, heated to the softening point of the glass above, after special molding die annealing after forming, If necessary, it will be processed in subsequent processes such as engraving, drilling, and trimming.
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