Among them, ultra-white float glass has a wide range of uses and broad market prospects. It is mainly used in the fields of high-end buildings, high-end glass processing and solar photovoltaic curtain walls, as well as high-end glass furniture, decorative glass, imitation crystal products, Lamp glass, precision electronics industry, special construction, etc. So, what is the difference between float glass and ordinary glass? Let’s take a look.
What is float glass?
It is prepared with sea sand, quartz sandstone powder, soda ash, dolomite and other raw materials. It is melted at high temperature in the furnace, and the glass liquid continuously flows from the furnace to the It floats on the surface of the molten metal and is spread into a flame-polished glass strip with uniform thickness. After cooling and hardening, it is separated from the molten metal and then annealed and cut to become a transparent colorless flat glass.
The forming process of float production is completed in a tin bath filled with protective gas. Float glass is widely used and is divided into tinted glass, float silver mirror, float glass/car windshield grade, float glass/all kinds of deep processing grade, float glass/scanner grade, float glass/coating grade, float glass French glass/mirror grade. Among them, ultra-white float glass has a wide range of uses and broad market prospects. It is mainly used in the fields of high-end buildings, high-end glass processing and solar photovoltaic curtain walls, as well as high-end glass furniture, decorative glass, imitation crystal products, lighting glass, precision electronics industries, Special buildings, etc.
Advantages of float glass:
First, float glass is in a tin bath, and the glass floats on the surface of the tin liquid. Therefore, this kind of glass is first of all flat and has no water ripples. It is used for making mirrors and automotive glass and does not lose shape, which is its major advantage.
Secondly, the ore quartz sand used in float glass has good raw materials. The glass produced is pure and has good transparency. Bright and colorless. No glass boils, bubbles or the like.
The third is that the structure is compact and heavy, and it feels smooth. The same thickness per square meter is heavier than the flat plate. It is easy to cut and not easy to be damaged.
In addition, more than 200 production lines across the country are produced in strict accordance with national standards. This kind of glass is the best glass for civil buildings. Its price, compared with the same thickness, is only about 4 yuan per square meter higher than that of flat glass, making it relatively affordable.
The difference between float glass and ordinary glass:
The differences between ordinary flat glass and float glass are as follows:
A: Ordinary flat glass and float glass The glass is all flat glass. It’s just that the production process and quality are different. Ordinary flat glass is made of quartz sandstone powder, silica sand, potassium fossil, soda ash, Glauber's salt and other raw materials, prepared in a certain proportion, melted at high temperature in a furnace, and produced through vertical drawing, flat drawing, and calendering methods. It is transparent and colorless. plate glass. Ordinary flat glass is divided into three categories: special selection, first-class product, and second-class product according to appearance quality. According to thickness, it is divided into five types: 2, 3, 4, 5 and 6mm.
B: Float glass is made of sea sand, quartz sandstone powder, soda ash, dolomite and other raw materials. It is prepared in a certain proportion and melted at high temperature in the furnace. The glass liquid continuously flows from the tank to the furnace and floats on it. On the surface of the molten metal, a fire-polished glass ribbon with uniform thickness is spread out. After cooling and hardening, it is separated from the molten metal and then annealed and cut to become a transparent colorless flat glass. The glass surface is particularly flat and smooth, the thickness is very uniform, and the optical distortion is very small. Float glass is divided into three categories: high-quality products, first-class products, and qualified products according to appearance quality. According to thickness, it is divided into nine types: 3, 4, 5, 6, 8, 10, 12, 15 and 19mm.
C: The appearance quality grade of ordinary flat glass is determined based on the number of defects such as corrugated ribs, bubbles, scratches, sand grains, bumps, and lines. The appearance quality grade of float glass is judged based on the number of defects such as optical deformation, bubbles, inclusions, scratches, lines, fog spots, etc.
D: Ordinary glass, emerald green, fragile, not very transparent, and prone to aging and deformation when exposed to rain or sunlight. Float glass, transparent float glass, is a glass paste that enters the tin bath through a controlled gate. Due to gravity and its own surface tension, it floats on the surface of the molten tin, and then enters the slow cooling bath to make both sides of the glass smooth and even, and the ripples disappear. made. Dark green, smooth surface without ripples, good perspective, and certain toughness.
E: The production process of float glass is different from that of ordinary glass. The advantage is that the surface is hard, smooth and flat. The color of float glass is different from ordinary glass when viewed from the side. It is whitish and the object is not distorted after reflection. And generally there is a water pattern deformation.
Editor’s summary: This is the information about what float glass is and the difference between float glass and ordinary glass. I hope this article will be helpful to everyone. If you still don’t understand anything, you can leave me a message below and we will answer it for you as soon as possible.