Acetylene black
Loss on heating: 0.3%max.
Ash content: 0.2%max.
PH value: 6-8
Grit content: 0.02%max.
Apparent specific volume (ml/g): 14-17
Iodine absorption (g/kg): 90-105
Hydrochloric acid absorption number (ml/g): 4.0min.
In 50% compressed kraft bag
Commodity: Calcium carbide Molecular formula:CaC2 Molecule Weight: 64.10 H.S code:28491000 CAS: 75-20-7 UN NO.1402 HAZARD CLASS: 4.3 Application: It is a kind of basic material for organic synthesis, and can produce acetylene gas for cutting and welding, also be material for calcium cyanamide. Appearance: Grey, black solid, purple when its purity is more than 90%. Granule:4-25mm / 15-25mm / 25-50mm / 50-80mm /25-80/ 80-120mm Package: Net in 100kg or 50kg new iron drums with nitrogen. Specification: GB10665-2004 Specification Superfine Grade First Grade Second Grade Gas yield(L/kg)L/kg 305 295-305 285-295 PH3 content in acetylene (PH3%) 0.06 0.08 0.08 H2S content in acetylene (H2S%) 0.1 0.1 0.1 Loading weight in 1 x 20fcl:22.5mt
Used in the production of acetylene gas, polyvinyl chloride, lime nitrogen, dicyandiamide, iron and steel desulfurizer, etc., used in electronics industry, teaching reagents. Calcium carbide is used for chemical production accounts for about 60%, and the remaining 40% is used for metal welding and cutting. Using calcium carbide as raw material can produce a series of chemical products, such as PVC resin, polyvinyl alcohol, vinyl acetate, neoprene rubber, butanol, octanol, tricyanoethylene, tetracyanoethylene, acetaldehyde, acetylene carbon black, lime nitrogen, etc.
Hexagonal Boron Nitride Cas NO.: 10043-11-5 Packaging : 10kg/bag or as customer demanded Minimum Order : 20ton Shipping Port : TIANJIN MF: BN Place of Origin: China (Mainland) Grade Standard: Industrial Grade Purity: 99.99% Appearance: white power color: white status: power Packaging: Packaging Detail: 10kgs per fiber drum or 1 kg per plastic bag and 10kgs per carton . Applicaton: Structural material in atomic reactor; spout of plane, rocket engine; High temperature solid lubricant and many kinds of parting Detail description: Hexagonal Boron Nitride Boron nitride is a white solid material in the as produced hot pressed form. It is a low porosity solid. It is easily machined into complex shapes using standard carbide tooling. The material is anisotropic in its electrical and mechanical properties due to the platy hexagonal crystals and their orientation during the hot press consolidation. Key Properties High thermal conductivity, Low thermal expansion, Good thermal shock resistance, High electrical resistance, Low dielectric constant and loss tangent, Microwave transparency, on toxic, Easily machined — non abrasive and lubricious, Chemically inert, Not wet by most molten metals. Use Structural material in atomic reactor, spout of plane, rocket engine, High temperature solid lubricant and many kinds of parting agent of precision molding products, High temperature resistant, anticorrosive boron nitride and boron nitride compound ceramics, Synthesize cubic boron nitride, Compression resistant and high temperature resistant lubricating grease, All kinds of high temperature resistant, anticorrosion coating, Insulator for high pressure high frequency electricity and plasma arc, Ox dating additive for refractory materials. Specifications: Grade HS HN HC Purity 99% min 99% min 98.5% min B2O3 0.20 % max 0.20 % max 1.00 % max Moisture 0.20 % max 0.20 % max 0.50 % max Size(d50) ~ 15 micron 5-10 micron ~ 5 micron Tap densit 0.2 -0.4 g /cm3 0.2 -0.4 g /cm3 0.2-0.4 g/cm3 Surface Area(BET) 3-6 m2/g 4 -10 m2 /g 5-10 m2/g
Synthetic Cryolite/Sodium Aluminum Fluoride /Cryolite Bath/ Sodium Cryolite Cas NO.: 13775-53-6 Appearance : white crystalline powder or a sandy-size granularity Packaging : In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag Minimum Order : 20ton Shipping Port : TIANJIN Product's Description Cas NO.: 13775-53-6 Appearance : white crystalline powder or a sandy-size granularity Packaging : In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag Minimum Order : 20ton Shipping Port : TIANJIN Introduction: physical characteristics: The product is a white crystalline powder or a sandy-size granularity, and a pinkish crystalline powder or a sandy-size granularity as well. Sp.gr.2.95¡ª3.01g/cm3, melting point about 1000 centigrade, specific heat 1.056j/gcentigradeat 18100centigrade. It¡¯s slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800centigrade will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively. The size distribution can be sandy (80mesh), powder (200mesh, 325mesh), granular (0-10mm). Other items can be specified according to special requirement. Specification: Molecular FormulaNa3AlF6 Molecular Weight 209.94 Properties It is a colorless monoclinic crystal, but often appears off-white, pompadour, straw yellow or black due to impurities. It has relative density of 2.9-3.0, mp 1000. It is slightly soluble in water, and its aqueous is acidic. It decomposes to release poisonous HF gas while meeting sulfuric acid. UsagesIts mainly used as a flux in the aluminum smelting by fused-salt electrolysis; also an opalizer in the manufacture of enamel; an opacifier and auxiliary solvent of glass and enamel; an insecticide of crops; a flux in aluminum alloy casting; and in the production of ferrous alloy and effervescing steel; as well as a wear-resistant filler for resin and rubber-boned abrasive wheels.
1.Another English name: Boric oxide, Boron oxide, Boric anhydride 2. MF: B2O3 3. CAS:1303-86-2 4. Place Of Origin: China 5. Purity: ¡Ý98% 6. ISO Ceritificat Technical indexes: Term Index Boron oxide %(m/m) ¡Ý98 Sulfate %(m/m) ¡Ü0.7 Aluminum oxide %(m/m) ¡Ü0.1 Choride %(m/m) ¡Ü0.1 Undissolved matters in water% ¡Ü0.02 Size(through 180um)% ¡Ü85% Usage: Boron oxide is used as the flux in decomposition of silicates the mixing agent of semiconductor material, the additives of heatproof glassware and paint refractory. boron oxide is also used in production of alloy steel in metallurgical industry. In addition it's used as the catalyst in organic synthesis, the additive of lubricant used in high temperature, boron oxide can be also used an environmental protection. Package: It is packed in the woven bag, in which should be put two strata of plastic bags, net weight 25 kg a bag.
Cas no.: 144245-85-2 Appearance : pale yellow waxy flake solid Packaging : 25kg/50kg per woven bag with pe-liner Minimum order : 5 tons Shipping port : qingdao or tianjin Product's description Description: It is pale yellow waxy flaky solid, it is widely used in the paper industry as sizing agent. Package: 25kg/50kg per woven bag with pe-liner or as your requests. Storage: Away from insolation and rain, place it in dry and good ventilation condition, storage temperature is from 5¡ãc to35¡ãc. Application£º It is used for paper making. After sizing with akd emulsion, it can make paper less water absorbing and controls its printing properties.
Calcium carbide is an inorganic compound, white crystal, industrial products are gray black blocks, cross-section purple or gray. It reacts violently with water, forming acetylene and releasing heat. Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas. Also used in organic synthesis, oxyacetylene welding and so on. It is called calcium carbide( CaC2). It is a hard lump and the cross section is dark grey or brown. 2. It is lumpy substance, its surface is a little deep gray, has slight nasty smell. 3. It can produce acetylene gas when met water, it can burn when meets fire. 4.The acetylene gas mix with air will form explosive gas (explosive range of acetylene gas in the air is 2.3% - 81%). 1.The main raw material for producing acetylene gas. 2.Cutting and welding for metal material. synthesize polyvinyl chloride(PVC). 4.Fruit catalyst. 5.The basic material for organic synthesis and calcium cyanamide 6.Reacting with water to bring about ethine. 7. Reacting with nitrogen to product lime nitrogen. 8.The desulfurizer in steel industry.
CAS : 75-20-7 HS Code : 2849100000 Packing : Grey/Black/Green/Blue/Yellow Iron Drums 305/ 295 /285L/Kg Application Other name: calcium acetylide, acetylene calcium carbide, GA Shape: white crystal, industrial products for black lumps, purple or grey section Partical size avaliable: 2-4mm, 4-7mm,7-15mm, 15-25mm, 25-50mm, 50-80mm, 80-120mm Gas yield: 210L/KG,230L/KG,260L/KG, 295L/KG according different partical size Physical and chemical characteristics: the ore is a solid brown or black solid, pure white crystal products(including CaC2 is purple).Density of 2.22g/cubic centimeter,melting point of 2300 degrees C(with CaC2 content),in case of water immediately produce a violent reaction, the formation of acetylene, and the release of heat, calcium carbide content of different melting point will also change. Calcium carbide (CaC2) is a pivotal inorganic compound known for its industrial form as gray-black block-like material, often displaying purple or gray cross-sections. When exposed to water, it undergoes an energetic reaction, producing acetylene gas and releasing heat. Primarily, it's employed for two key purposes: as a source of acetylene gas with applications in welding, cutting, and fuel, and as a raw material in organic synthesis for chemicals like vinyl chloride and synthetic resins.
Commodity: Calcium carbide Molecular formula:CaC2 Molecule Weight: 64.10 H.S code:28491000 CAS: 75-20-7 UN NO.1402 HAZARD CLASS: 4.3 Application: It is a kind of basic material for organic synthesis, and can produce acetylene gas for cutting and welding, also be material for calcium cyanamide. Appearance: Grey, black solid, purple when its purity is more than 90%. Granule:4-25mm / 15-25mm / 25-50mm / 50-80mm /25-80/ 80-120mm Package: Net in 100kg or 50kg new iron drums with nitrogen. Specification: GB10665-2004 Specification Superfine Grade First Grade Second Grade Gas yield(L/kg)L/kg 305 295-305 285-295 PH3 content in acetylene (PH3%) 0.06 0.08 0.08 H2S content in acetylene (H2S%) 0.1 0.1 0.1 Loading weight in 1 x 20fcl:22.5mt
