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Chemicals for :2-Methylnaphthalene and other products
Appearance: White crystalline powder or yellowish.
Application: mostly used in petroleum industry, it is the main raw material of tungsten catalyst for refinery.
Technical requirements and appearance : Am mon ium mol yb date is white and crystalline .The product has no visible sundries .
Physical performance : The product shall pass through the 40 mesh screen .The loose weight of Am mon ium mol yb date is 0.6-1.4g/cm3 .
Application: metal inhibitors used in the manufacture of alkaloids, dyes, fertilizers, pigments, catalysts, flame retardants and pollution-free cooling water systems, as well as zinc polishers and chemical reagents.
Physical state : fresh yellow heavy powder .S ensitive to the wet .It turns dark orange when heating and returns to its original color after cold .Sol soluble in sodium hydroxide solution , slightly soluble in acid , insoluble in water .Rel ative density of 7.16 .Melting point of 1 , 4 7 3 â?? .
Application : mainly used as the raw material for metal tungsten , manufacturing tungsten carbide , carbide carbide (cemented carbide) , knives , super hard mold and tungsten strip , tungsten wire through powder metallurgy , can also be used for X - ray screen and fire fabric , as well as coloring agent and analytical reagent used as ceramic ware .
Used in synthetic resins, pesticides and as solvents. Mainly for the production of indene - coumarone resin. The material of Indene - coumarone resin is the heavy benzol and light oil fractions in the distillation cut 160-215 C, it contains 6% styrene, 4% coumarone, 40% indene, 5% 4 - methylstyrene and a small amount of xylene, toluene and other compounds, resin take 60-70% of the total amount of raw materials. Under the effect of catalyst such as Aluminum chloride, boron trifluoride etc. to polymerize fraction of the indene and coumarone with or without pressure, that is to generate indene - coumarone resin. Also can be pesticides intermediates or mixed with other liquid hydrocarbon to make paint solvents.
