Mainly used in chemical industry, bi salt manufacture, glass coloring, press and heat sensing resistance, lightning arrester, kinescope, fireproofing layer, nuclear reactor fuel, electron pottery powder stuff, electrolyte material, photo electricity material, high temperature superconductor material and catalyzer.
Bi2o3: 99.9%min
Surface of powder: 18gsm
Average granularity: 1um max
Packing: 20kg/drum
Tellurium
High quality materials to manufacture photo electricity and thermoelectricity parts, widely used in metallurgy, electric, chemical, pharmaceutical, aerospace. National defense industry, especially used in high tech fields, such as computer, ir. Remote sensing, military technology etc. It is also a vulcanizing agent of rubber and used for material of making the light sensitive resistor and light-sensitive battery.
About 25kg(8 ingots) in plastic vacuum bag with outer wood box
Copper sulphate
It can be applied as the mordant of cotton and silk printing, and for making green and blue pigments. It also can be used as pesticide, water bactericide, wood antiseptics, and for copper electroplating, battery, engraving and manufacturing catalyst. Meanwhile, it is used in great quantities in the mineral dressing of nonferrous metals industries, shipping paint industry and other chemically raw material manufacturing.
It is packed with a liner lining of ethylene plastics bag and a plastic woven bag outside. 25kg/bag