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,
Nano Silicon Dioxide Powder SiO2 Nanoparticles is white powder with excellent chemical stability. It has the attributes of little fragment size, numerous micropores, large particular area, high hydroxyl web content on the surface area.Regarding Nano
If the owner is not satisfied with the layout of the new cement foam brick house, it is inevitable for the owner to demolish and modify it during decoration, which will involve two tasks: demolition and wall building.When tearing down walls, everyone should know that all load-bearing structures cannot be demolished.
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