Silca
Microsilica (silica fume) is a byproduct from silicon metal or ferrosilicon industries,is an amorphous silicon dioxide â?? SiO2 which is generated as a gas in submerged electrical arc furnaces during the reduction of very pure quartz. As the molten metal is produced, a silica-based gas is emitted. This gaseous fume, as it rises, cools rapidly and forms extremely minute,Amorphous, spherical particles. The microsilica is collected in a bag house, a system for filtering the hot air and gases vented from the furnace. This gas vapor is condensed in bag house collectors as very fine powder of spherical particles that average 0.1 to 0.3 microns in diameter with a surface area of 17 to 30 m2/g. Microsilica can be used in concrete and refractory materials. Microsilica ,when used in concrete, it can improve concreteâ??s properties such as compressive strength, bond strength and abrasion resistance, reduces permeability,and therefore helps in protecting reinforcing steel from corrosion. At the same time, Microslica can still be used in the procustion of refractory and porcelain, to raise intensity and durability, it also can be used in paint, coating resin rubber and other high molecular as a filler material to improve the material overall performance.
Silca sand .
Silca Sand..
Handzfree.
Sand and silca sand.
Silca sand and sandstone.
Silca sand, gravels and sandstones.
Calcium Carbonate And Bentonite And Silca And Gypsum And Powder Talc.
Silca sand, silica flour, charcoal, sulphur, rock phosphate, recycled plastic raw materials and various raw materials in bulk.Consultantcy services
Name= Welo Opal Origen= Ethiopia Color= Amazing Multicolor with a fire and different patterns Size= 1-10gm. Plastick box.
Name= Aquamarine Origen= Ethiopia Color= Blue & green Size= 5gm and up. Plastic box.
Color: withe, blue, green, yelow, rainbow or fire opal. Size: 3gram and above Crack: almost none crack Price: 1usd per a gram
Graded copper slag (iron silicate)/steel shot/grite/silca sand and to be used for blasting..
Diatomaceous earth lumps and powder, reactive silca, siliceous earth, fullers earth, bentonite powder & lumps, silica sand, all type minerals barmer.
Rough opal, aquamarine, tourmaline, sapphire, peridots, amethyst, garnet, quartz, emerald, rubby, cirine, tantalum, tantalite, ta2o5, silca, coffee, red kidney bean.Logistics, marketing
Commodity : dorb grade 2 Moisture : 12% max Profat : 16% min Sand silca : 5% max Fiber : 14% max Aflatoxin : 50ppb max Acid value : 50mg koh/100gm Peroxide value : 40meq/kg -
Silicon carbide heating elements Jinyu silca sic heating element is a type of non-metal high temperature heating device. These sic productsare made from fine quality green silicon carbide as its main raw material. The raw material is made first in to a blank, followed by high temperature silication and recrystallization, and becomes high quality stick shaped sic electric heating devices. Compared with metal electric heating material, this type of non-metal elements is featured of high operation temperature, anti-oxidization, long service life, little deformation, easy installation and maintenance. Because of these advantages, sic electric heating elements is widely used in various industries that require high temperature electric furnaces and heating devices. These typical applications include electronics, magnetic materials, powder metallurgy, ceramics, glass, metallurgy and machinery. We adopt new production process of cold end, so jinyu silca heating elements have excellent specific rate of heat zone resistance and cold end resistance, saving energy, long life, avoiding over-temperature of cold ends damaging furnace body. 5
Halloo, we are PT. ALENA, the miner and exporter Silica Sand, from Indonesia. Our site at West Kalimantan, 1700hectares, with full permit, and export license (Surat Persetujuan Ekspor/SPE) with quota 1.400.000MT. We are ready Silca Sand with specification SiO2 >99.5%, Fe2O3
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