Zhangjiakou alum manufacturers offer - Contact: Manager Li - Phone ★ 18,301,509,601 QQ: 631 979 131 [] of the credibility of the first principle of service to win the majority of customers praise professional sewage treatment _ service water environmental _www.bjgkhxt.com / Because professional _ so professional! www.bjklhxt.com/ ★ ★ We will be happy to serve you! potassium alum, also known as: alum, alum, potassium alum, potassium alum dodecahydrate aluminum sulfate, potassium (Alum), containing water of crystallization of potassium sulfate and complex salt of aluminum sulfate. Colorless cubic crystals, appearance often has octahedral, or formation of poly-shaped cube, rhombic dodecahedron, sometimes to the {111} planes attached to the wall of the vessel and the shape of the six-party plate-like, is a double salt of α-alum, glass luster. Density 1.757g/cm3, 92.5 ° C melting point. 64.5 ℃ lost nine of molecular crystals lose 12 molecules of water, 200 ℃ crystal water, soluble in water, insoluble in ethanol. Alum sexual taste sour, cold, toxic. Therefore antibacterial effect, convergence effect, can be used as traditional Chinese medicine. Alum can also be used for the preparation of aluminum salt, baking powder, paint, tanning, clarifying agent, mordant, paper, waterproofing agents. Potassium alum is colorless and transparent, massive or crystalline powder, odorless, non-toxic, slightly sweet taste and astringent, Convergence, soluble in water, acidic aqueous solution, heat easily lose crystal water and become white powder. Its main use is reflected in the following aspects: agriculture: seed disinfection, animal medical treatment, solid root hair Miao, Zhuang rod pod and alkaline soil applied potassium fertilization. Light chemical aspects: water purification, paper sizing, coatings, printing and dyeing, lake pigments, pharmaceutical and paint making, tanning, fibreboard processing, Videos fixing Caine film, as well as for the rubber and metallurgy; colored glass industry. Food Industry: Food agent. Fermentation, vermicelli processing, aquatic marinated, food preservatives and food additives. Sincerely welcome customers at home and abroad to visit and look forward to establish long-term cooperation in trade relations with you!