The ninth knowledge of glass materials
The use of glass in decoration is very common, from the use of exterior wall windows to indoor screens, door leafs, etc. In this section, we will discuss this aspect. Simple classification of glass is mainly divided into flat glass and special glass. Flat glass can be divided into three types: flat glass (slotted/non-slotted), flat-pulled flat glass and float glass. Due to the fact that float glass is uniform in thickness, flat and parallel on the upper and lower surfaces, coupled with high labor productivity and beneficial to management and other factors, float glass is becoming the mainstream of glass manufacturing methods. While there are many varieties of special glasses, the following description of the common varieties of decoration:
First, ordinary flat glass.
1, 3--4 PCT glass, mm is also called PCT in daily life. What we call 3 PCT glass is glass with a thickness of 3mm. This type of glass is mainly used for picture frame surfaces.
2, 5 - 6% glass, mainly used for exterior wall windows, doors and other small area light modeling, etc.;
3,7--9 centimeters of glass, mainly used for large screens such as indoor screens but with frame protection.
4,9--10 centimeters glass can be used for indoor large-scale partitions, railings and other renovation projects.
5,11--12 centimeters of glass can be used in the floor Spring glass door and some activities in a larger partition.
6. More than 15 percent of glass is generally sold on the market and often requires ordering. It is mainly used for large-area glass doors on the outer wall of floor spring glass doors.
Other glasses are classified relative to flat glass and are not officially classified in the industry. There are:
1. Tempered glass . It is a kind of pre-stressed glass made of ordinary flat glass after reprocessing. Tempered glass has two major characteristics compared to ordinary flat glass:
1) The strength of the former is several times that of the latter, the tensile strength is more than 3 times that of the latter, and the impact resistance is more than 5 times that of the latter.
2) Tempered glass is not easily broken, and even if it is broken, it will be broken in the form of particles with no acute angles, and the damage to the human body will be greatly reduced.
2, frosted glass. It is also re-sanded on plain flat glass. Generally, the thickness is usually less than 90%, and the thickness is more than 5 and 6 centimeters.
3, sandblasted glass. The performance is basically similar to that of frosted glass, and the different modified frost is sandblasting. Because the two are visually similar, many owners and even decoration professionals have confused them.
4, embossed glass. It is a flat glass made by calendering. Its greatest feature is the opaque light transmission, and is often used in toilets and other decoration areas.
5, wire glass. It is a kind of impact resistant plate glass made by inserting metal wire or metal mesh into glass plate by rolling method. When it is impacted, it will only form radial cracks and will not cause injury under the armpit. Therefore, it is mostly used in high-rise buildings and factories with strong turbulence.
6, hollow glass. The glue is used to keep two pieces of glass at regular intervals. The space is dry air, and the surrounding area is sealed with sealing material. It is mainly used in renovation projects with sound insulation requirements.
7, laminated glass. Laminated glass is generally composed of two layers of ordinary flat glass (which can also be tempered glass or other special glass) and an organic glue layer between the glass. When damaged, the debris still adheres to the adhesive layer, avoiding damage to the human body caused by debris splashing. Mostly used for renovation projects with safety requirements.
8, bullet-proof glass. In fact, it is a kind of laminated glass, but only glass with high strength is used to form the glass, and the number of sandwich layers is also relatively large. It is mostly used in renovation projects such as banks or luxury homes where safety requirements are very high.
9, hot bending glass. The flat glass is heated and softened in the mold, and then the annealed curved glass is formed. The frequency of appearance in some advanced decoration is getting higher and higher, need to be booked, there is no spot.
10, glass bricks. Glass bricks are basically the same as flat glass. The difference is the molding method. In the middle is dry air. It is mostly used for decorative items or light-transmitting shapes that require thermal insulation.
11, cellophane. Also called glass film, with a variety of colors and designs. According to the different properties of the paper film, it has different properties. Most of the heat insulation, infrared rays, UV protection, explosion-proof and so on.
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