Tungsten Trioxide yellow powder. Tungsten trioxide, yellow powder, insoluble in water. Soluble in alkali. This is used for the manufacture of high melting points alloys and hard alloys, as well as tungsten wire and fireproof material. Color: yellow,…
Chrome chip hard and brittle steel gray bright metal with hardness like corundum and lower melting than platinumPurity>99.95%Product name: chromium flake About Chromium Chip Chromium Sheet Chromium Flake:Chromium sheet is also called Chromium Ship…
Since the outbreak of the epidemic in 2020, the prices of international agricultural products and fertilizers and other agricultural materials have continued to rise. As of February 2022, the FAO Global Food Price Index has surpassed its 2011 high. D…
Admixtures can be used for almost all kinds of concrete, but suitable admixtures must be selected according to engineering needs, construction conditions and construction technology.…