Opal in Ethiopia was discovered in 1994 and has since grown to have an impact on the world market with its high quality. Precious, fire, and black opals are now being mined in Ethiopia, under the name \"Welo/Wollo/Wello or Ethiopian Opals\". The best and most abundant opals are found in Ethiopia\'s Wollo region, in the north of the country, they have a wonderful variety of colors and body variety. Opals from Ethiopia vary widely but the most abundant are the stable and transparent ones that offer a beautiful play of colors within them.
Specifications: Origin: Vietnam. Appearance: White/brown seeds. Moisture: 12% max. Starch: 85% min. pH: 5-7. Ash: 0.2% max. Protein: 0.2% max. Diameter: 1.8-2.5 mm. Ingredients: tapioca starch, caramel or coffee (adjustable), water, Natri Carboxymethyl Cellulose CMC 466, Caramel, Kali Sorbate E202. Packaging: 1kg, 5kg PE bag, then in carton. 20ft = 18mts. Price FOB HCMC Port: Please revert to us Payment terms: L/C at sight or T/T 50% in advance and 50% after receiving B/L via fax or email.
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Services: Manufacturer, processor, packaging and trading
Buyer: Bitumen, sulphur, glycerine, pao, pad, palm kernel cake
Supplier: We are a supplier of the following minerals
iron ore, silica sand, silica quartz lumps as well as silica quartz sand, plaster of paris, gypsum, hydrated lime, limestone, bentonite, dolomite, chormite, barite, fluorspar , rock salt, soapstone, feldspar, fire clay, kaolin clay, china clay, bleaching earth, calcium fluoride and calcium carbonate, nephrite jade,mica white, mica black, mica flakes, mica scrap.
Services: Special offer: we have the deposits of quartz milky and our offer is us$100 per mt fob karachi
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Ramming mass is commonly used in metallurgy, building materials, non-ferrous metal smelting, chemical, machinery and other manufacturing industries. Ramming mass is widely used in non-core intermediate frequency furnace and core induction furnace. As an intermediate frequency furnace ramming material, refractory ramming is applied to melt gray cast iron, nodular cast iron, malleable cast iron, vermicular cast iron, and cast alloy steel; to melt carbon steel, alloy steel, high manganese steel, tool steel, heat resistant steel, stainless steel, molten aluminum and its alloys; to melt red copper, brass, white brass, bronze and its alloys, etc. Induction furnaces are used for melting cast iron, mild steel and various alloy steels in foundries and making of steel in mini steel plants using sponge iron The refined high silicon, low iron quartz sand and quartz powder are selected and the fused quartz sand is added as the refractory material., with no slag, no crack, damp proof, convenience of repair, and the corrosion resistance, thus greatly improving the furnace service life span and the economic benefit.. Silica ramming mass can safely be used up to an operating temperature of 1600 deg C. Since it expands very little, it is superior to both alumina and magnesia refractories to resist thermal shocks Acid ramming material is the premixed ramming mass of the lining material. The acid ramming mass is used to smelt a series of metal materials such as ordinary steel and carbon steel. The lining practice best suited to a particular furnace depends upon the capacity and design of the furnace, operation practice adopted during making of a heat, and furnace output.