Cutting Discs
We are glad to propose 500 MT of stain less steel mill scale. Mill scale is formed on the outer surfaces during by the hot rolling lamination of stainless-steel products. At a visual inspection the material is a hard brittle sand and is mainly composed of iron oxides, mostly ferric, and is bluish black in colour, but it also contains considerable alloying elements such as chromium and nickel. The recovery ratio after melting in furnace for the most valuable alloy elements is: - Ni: 3.5 - 4.5% - Cr: 6-8% From the chemical and physical analysis performed on the scrap, and according to the European environmental rules, the material has been classified as a special non dangerous waste, listed in green list. In particular the mill scale can be classified as follows: Waste code: 10 02 10 The material is stored on cemented flooring, and it can be loaded loose in tipper trucks or containers. Chemical analysis of the material is available on request.
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Buyer: All metals, minerals, petroleum products, food products and paper products
Yellow Beehive Entrance Disc / Nuc Entrance Disc Plastic Material For Apiculture Basic Information Place of Origin: China Brand Name: Super-sweet Minimum Order Quantity: 1000 Packaging Details: beehive disc entrance for beehive tools 1. Standard Package. 2. at your request Delivery Time: 5 working days Payment Terms: L/C, D/P, T/T, Western Union, MoneyGram Supply Ability: 100000 Piece/Pieces per Month
Commodity: Synthetic Cryolite Formula: Na3AlF6 M.W.: 209.95 Properties: 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.2.953.01g/cm3, melting point about 1000centigrade, specific heat 1.056j/gcentigradeat 18100centigrade. Its 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. Specifications: Appearance white powder F 52% min Al 12% min Na 33% max SiO2 0.36% max Fe2O3 0.08% max CaO 0.5% max P2O5 0.03% max SO4 0.6% max H2O 0.4% max Loss on ignition 2 % max Uses: Its 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. Packing & Storage: In plastic coating woven bags with plastic film inside, 25kg,40kgs, 50kgs or 1000kgs net each, or as the requirement of clients.Stored: in a cool , ventilated, dry place.
Commodity: Sodium Hydrosulfite Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate CAS No.: 7775-14-6 Molecular Weight: 174.10 Chemical Formula: Na2S2O4 Product Description Appearance: White, crystalline powder. Product Feature Odor: Slight irritative. Specific Gravity: Unavailable Solubility: Soluble in water. Density: 2.19 pH: 6-7 pH Test-Method: PH test paper. % Volatiles by volume @ 21C (70F): 0 Boiling Point: Not applicable. Melting Point: >300 C Decomposes. Vapor Pressure (mm Hg): No information found. Bulk Density: ~0.9 Evaporation Rate (BuAc=1): No information found. Application 1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching . 2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps. 3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 4. in mineral, the compound of thiourea and other sulphides. 5. as reducing agent in chemical industry. 6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. Packaging 50kg/100kg net in iron drums with double PVC bags Product Specification/Models NDEX 90%, 88%, 85%. FOOD ADDITIVE Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal calculated as Pb, 1ppm Water Insolubles05% Shelf Life(month)12
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
4-Hydroxybenzoic acid Chemical Name:4-Hydroxybenzoic acid Trade Name:p-oxybenzoic acid Molecular Formula:C7H6O3 Molecular Weight:138.12 CAS No.:99-96-7 Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone, slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46 Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate Specification Item Specification Polymer Grade Technical Grade Appearance white crystal powder white crystal powder Purity(on dry base) % 99.6 99.0 Melting Point 214-217 212-216 Odor odorless odorless Solubility Clear and transparent clear and transparent Loss on Drying % 0.20 0.50 Color(Pt-Co) 10 40 Ash % 0.02 0.15 Sulfate(SO42-) 0.01 0.05 Chloride(Cl-) % 0.005 0.02 Phe% 0.01 0.10 Salicylic Acid % 0.02 0.10 4-Hydroxyisophthalic Acid(HIPA) ppm 500 / Insolubles in Metha ppm 50 / Potassium(K+) ppm 5 / Sodium (Na+) ppm 5 / Iron (Fe) ppm 5 / Ca2++Mg2+ppm 5 /
Commodity: Sodium Sulphate anhydrous Product Nature Molecular formula: Na2SO4 Molecular weight: 142.04 Property: white granular crystal or powder Use As filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used in fiber, leather, metallurgy, enamel and soap. Specifications Item GB6009-2003 Type First grade Result of common product Result of neutral product Na2SO4 99.0 99.20 99 40 Water insoluble matter %0.05 0.02 03 Ca & Mg %(Mg) 0.15 0.02 02 Chloride %(Cl) 0.35 0.23 20 (Fe) 0.002 0.0001 0001 Moisture % 0.20 0.02 02 Whiteness % 82 88 85 Packing and Storage Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place.
