Nanning textured sand supplier
The scratch hardness of quartz sand filter material is also called Mohs hardness tester. Mainly used for hardness and softness of different minerals. The method is to first select a component with one hard end and one soft end, then cross the tested material along the component, and determine the hardness and flexibility of the tested material according to the length of the scratch. In terms of quality, hard objects have long scratches and soft objects have short scratches. Hardness of quartz sand filter material. Mainly used in metal materials and quartz sand materials. The method is to put the tension of the specification into the tested material at the load effect, and compare the hardness and softness of the tested material with the partial plastic deformation of the material surface.
Nanning textured sand supplier
Heavy calcium carbonate is generally called "heavy calcium". The white powder is produced from high-quality dissolved stone raw materials. Calcium bicarbonate is dissolved in water and ethyl acetate. It has the characteristics of high whiteness, high purity, mild color, and stable reliability of organic chemistry. Heavy calcium is usually used as filler for industrial production equipment. It is widely used in brick making, plastics, plastics, paper industry, building coatings, paints, inks, cables, engineering construction commodities, food, pharmaceuticals, textiles, refined feed, toothpaste and other chemical raw materials, as a filler in the chemical manufacturing industry to increase commodity volume, reduce product costs, have a semi increase or enhancement effect, and adjust rubber hardness.
Nanning textured sand supplier
Physical mechanical equipment, such as magnetic separation equipment, selection, flotation reagents, ultrasonic separation, water cleaning, etc. In the chemical method, strong oxidants and organics are selected for leaching, and iron oxide on the surface of iron or quartz is removed according to chemical changes. After the fine white sand particles are broken through production and processing, there are still single impurities and impurities in the form of color spots on the surface of quartz sand or mixed with the internal structure of quartz sand. Such impurities include iron oxide, clay, biotite and organic chemical impurities. In order to reasonably reduce the composition of impurities in quartz sand, acid cleaning process is usually used to purify quartz sand in industrial production.
Nanning textured sand supplier
There are three key types of calcium carbonate: high quality calcium carbonate and light quality calcium carbonate. Heavy calcium carbonate is produced by crushing natural dolomite, limestone, limestone, pearl shell, etc. immediately with equipment. Light calcium, also known as sedimentary calcium carbonate, is produced by calcining raw materials such as dolomite to produce lime powder, adding water to digest and absorb lime powder to form mature lime, and then filling carbon dioxide to carbonize and deposit, which is dried, dried and crushed. Or, first, dilute hydrochloric acid and calcium chloride are used to carry out the double decomposition reaction to form calcium carbonate deposits, and then they are prepared by dehydration, drying and crushing. Because the production method is different, light calcium has a large deposition volume and looks light. In fact, the relative density of the two is not very different.
Nanning textured sand supplier
Particle size and particle size analysis: particle size refers to the size of particles. Particle size analysis refers to the proportion of particles of various sizes in the number of particles in the powder sample. It is common for people to use "screen mesh number" to indicate the fineness of the powder, and D97 is used to indicate the relative particle size. However, a simple D97 does not mean the fineness characteristics of the powder, and a complete particle size layout should be used to show the fineness characteristics. In plastic products, the narrower the scope of calcium carbonate particle size analysis, the more stable the production, processing and product quality; The wider the particle size analysis is, the more difficult the production and processing are, and the product quality is unstable.
