玻璃说明（Glass description）.docVIP

玻璃说明（Glass description） Upstairs to the data a little older, and now the largest size can do 3500mm*12500mm, a lot of home can do it, 3 x 9 meters of steel, and there are some larger stove can do. Therefore, the landlords question, do not worry, only need to find the right glass sales shop, because the landlord said that it already belongs to the large size of the glass, not every glass store has goods supply. What is the difference between ordinary flat glass and float glass? A: ordinary flat glass and float glass are flat glass. Only the manufacturing process and quality are different. Ordinary flat glass is quartz sandstone powder, silica sand, potassium, soda, Glauber fossil and other raw materials, according to a certain proportion, by high temperature melting furnace, the flat glass is transparent and colorless vertical drawing method or flat pull method, rolling method produced. Ordinary flat glass is divided into product selection, first-class products, two products three categories according to the appearance quality. According to the thickness is divided into 2, 3, 4, 5, 6mm, five kinds. B: float glass is sand, quartz sandstone, dolomite powder, soda ash and other raw materials, according to a certain proportion, by high temperature melting furnace, molten glass from the pool to the continuous kiln and floats on the metal surface, uniform thickness, smooth spread into the fire polished glass, cooling and hardening from liquid metal, and then after annealing, cutting a colorless and transparent glass plate. Glass surface is particularly smooth, smooth, uniform in thickness and very small in optical distortion. Float glass is divided into three kinds according to its appearance quality: high-class, primary and qualified products. According to the thickness is divided into 3, 4, 5, 6, 8, seven, 10, 12mm. C: ordinary flat glass appearance quality grade is based on wave bars, bubbles, scratches, sand, knots, lines and other defects and determine. Float glass ap