Black Fused Alumina is bauxite, carbon materials, iron filings in the three kinds of raw material through the melting furnace to restore the system obtained brown artificial corundum, and are thus brown corundum. Brown Fused Alumina is the main chemical ingredient AL2O3, its content is 94.5% 1 97%, and the other containing a small amount of Fe, Si, Ti and so on. Corundum because of its high hardness, toughness is good, more used as a grinding material, which is one of the most basic abrasive. Applicable to carbon steel, malleable iron and hard bronze etc. grinding. In addition, in refractory materials, chemical additives, precision casting and anti-slip material also has wider application.
(1) as there is high temperature, corrosion resistance, high strength properties, it poured with steel sliding gate, smelting rare metals, special alloys, ceramics, iron-smelting furnace of the lining (walls and tubes); physical and chemical containers , spark plugs, heat-resistant anti-oxidation coating.
(2) due to high hardness, wear resistance, high strength characteristics, in the chemical system, used for a variety of reaction vessels and pipelines, chemical pump parts; to do mechanical parts, various molds, such as the Roberts mold, extrusion die nozzle pencil lead, etc.; do tool, die grinding, bullet-proof material, the human body joints, sealing ring mold.
(3) corundum insulating materials, such as lightweight corundum brick, corundum hollow ball and fiber products, widely used in a variety of high-temperature kiln furnace walls and roof, both high-temperature insulation again.
Main Chemical Composition %
Shanghai Bosun Abrasive Co., Ltd. is a professional abrasive company, which can research, produce and sell all kinds of abrasives. The main products include all kinds of Steel Shot, Steel Grit, Steel Cut Wire Shot, Stainless Steel Balls, aluminum balls, zinc balls, copper balls as well as the copper sand, brown corundum, black corundum and so on. The company has advanced equipment and technology, strong technology strength and perfect quality inspection methods. The products are strictly produced and tested according to relative standard, so it is trusted by our customers and be chosen as designated product by many companies which producing sand-blast equipment.
The company has passed ISO9001 international quality system certification, the products are widely used in shipbuilding, container, automobile, steel, foundry, machinery, mining, stone and other industries, which has sold to more than 20 provinces and cities of China, and exported to the United States, Canada, European countries and Southeast Asian countries.
Q1: How long does it take on average to develop a sample?
A: Generally, samples will be finished within 1-3 working days after received your sample fee.
Q2: What is the production time?
A: Production time are different from different products, the production time is 15-20 days after sample approval and receiving your deposit.
Q3: What is the payment terms?
A: Normally, we accept 30% deposit and the balance by B/L copy. Of course it is negotiated for some special orders, we can also accept D/P at sight and L/C at sight.
Q4: What is the minimum qty ?
A: 1000KGS or 5Tons according to different products.
Q5: Can I visit your factory ?
A: We warmly welcome customers visit us. Before you come here, please kindly tell me your schedule, we can arrange specialized salesman to guide you.
Q6:Can we use our own shipping agent?
A: Yes, you can. We had cooperated with many forwarders. If you need, we can recommend some forwarders to you and you can compare the price and services.
Q7: What is your main market?
A: We have most market relationships including Germany, Canada, USA, Unite Kingdom, Netherland, Russia, France, South Africa, etc.
Q8:Do you accept sample order or trial order?
A: Yes, welcome to place a sample order or trial order. we are very glad to form a business relationship with you.
1. Cleaning: Shot Blasting, casting cleaning, blast cleaning castings, forgings, shot blasting, shot blasting forging, casting sand, steel cleaning, cleaning up of steel, steel cleaning.
2. Rust: shot blasting, abrasive blasting, casting rust, rust forgings, forgings descaling steel rust, steel rust.
3. Strengthening: shot peening, heat treatment pieces of shot peening, shot peening gear.
4. Shot: steel shot, steel sandblasting, ship blasting, steel shot, steel shot.
5. Shot: steel blasting, steel shot blasting, steel shot blasting.
6. Playing sand: playing sand.
7. Shot pretreatment: coating pretreatment, surface preparation, pretreatment Ship, steel pretreatment, pretreatment of steel, steel pretreatment, before the steel handle.
Tel: 86 21 56303465
Fax: 86 21 56309596
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