Tag : selenium

Cement foaming agent, also known as foaming concrete foaming agent, refers to an admixture that can reduce the surface tension of liquid and generate a large amount of uniform and stable foam for the production of foamed concrete. Foaming agent is a kind of substance that can make its aqueous solution generate a large amount of foam when the mechanical force is introduced into the air. This kind of substance is a surfactant or a surface active substance. The essence of the foaming agent is its surface activity. Without surface activity, it cannot foam, and it cannot become a foaming agent. Surface activity is the core of foaming. Scope of application: 1) Insulation layer of ground radiant heating and roof insulation; 2) Filling wall blocks inside and outside the building, sound insulation walls; 3) Thermal insulation, moisture-proof and anti-corrosion of municipal pipelines such as water supply, heating and oil pipelines; 4) Construction of greenhouses for plant cultivation and cold storage for storage; 5) Fill in the gaps inside the tunnel and the gaps in the building; 6) The grass-roots laying of sidewalks, sports fields and stadiums. Cie-Chinamaterial supplier provides concrete additives, such as cement foaming agent, PCE powder, foam stabilizer, anti-cracking agent, early strength agent, etc. Payment Terms: Alipay, L/C, T/T, Western Union, Paypal, Credit Card etc. Shipment Terms: By international express, by air, by courier, by sea, or as customers request. Storage conditions: 1) Should be avoid damp and high temperature. 2) Use immediately after opening the inner package bag. 3) Should be store in a dry environment at room temperature.

High Purity Selenium Se Powder CAS 7782-49-2, 99% | Lemondedudroit

Chemical formula: Se, Selenium powder. Black-gray non-metallic. Soluble in concentrated sulfuric acids, chloroform. Purity>99% Particle Sizes: 200 mesh, 100 mesh and 325. HTML3_ Selenium is a chemical formula. Selenium metallic powder is a dark gray, nonmetal. It dissolves in concentrated sulfuric acids, chloroform and carbon disulfide. Selenium metal powder comes in granules or powder form. …

What is selenium powder and what is it used for?

Selenium powder Selenium is a chemical element that has both the symbol Se as well as an atomic number of 34. This nonmetal is more commonly called a metallic (or a metalloid), with properties that lie between elements higher and lower in the periodic tables, such as sulfur, tellurium and uranium. It also shares similarities …