High-Quality Drainage Agent Raw Materials for Refractory
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Drainage agent
Product description
According to the iron and steel industry in the process of continuous casting the performance of existing drainage agent bad to open rate since the ladle is not high, burn oxygen excessive, even cause continuous casting process interrupt problem, our company developed the development and production of high flow initiator series products. It is made by the high quality imported GeKuangSha, refined quartz sea sand and high refractoriness material composition, with good fluidity, more than major and fast speed, the appropriate sintering thickness, resistance to erosion and penetration, molten steel ladle artesian free-opening rate above 98%, and other characteristics, greatly to reduce the labor intensity of recognized, reduce oxygen blowing drainage, improve the quality of steel products, ensure continuous casting process smoothly.
Drainage agent series physical and chemical instructions:
model | SiO2 AL2O2 Fe2O2 MgO Cr2O2 Particle size Water (%) |
LF-Si-1 | 92～98 -- -- -- -- 0.315～2.5 <0.5 |
LF-Si-2 | 86～92 <5 <3 <3 1～5 0.15～2.5 <0.5 |
LF-Si-3 | 75～84 3～10 <3 <5 -- 0.315～2.5 <0.5 |
LF-Cr-1 | 23～28 9～14 18～23 6～10 32～38 0.15～2.0 <0.5 |
LF-Cr-2 | 35～40 <8 13～19 5～8 28～33 0.15～2.0 <0.5 |
LF-Cr-3 | 15～20 10～15 16～22 7～11 38～44 0.15～2.0 <0.5 |
LF-Mg-1 | 70～80 -- -- 10～20 -- 0.15～2.0 <0.5 |
Applicable scope General silicon, magnesia drainage agent used in the short flow steelmaking process; Ordinary chrome conduction agent used in refining quality time less than 45 min or not scouring the steelmaking process; Refining chrome conduction agent used in quality LF, VD, RH and refining the longer steelmaking process; Chromium stainless steel mass flow initiator used in steel stainless steel series; Thin flow initiator suitable for various kinds of thin sections of steelmaking process.
- Q: Who knows about the fire endurance of A grade fireproofing glass doors?
- The fire endurance of grade A fire resistance rolling shutter doors should be no less than three hours. Fire doors can be divided into A, B and C grades according to their fire endurance which should be no less than 1.20 h, 0.90 h and 0.60h respectively. Places where are difficult to set fire-proof bulkheads can use fire resisting shutters as partitions of fire?compartments. The fire endurance of fire resisting shutters that include unexposed surface temperature rise as judging condition should be no less than 3 h. Fire resisting shutters that exclude unexposed surface temperature rise as judging condition should set up independent protection of closed automatic water spray system on both sides of shutters, and the duration of water spray system should be no less than 3.0 h.
- Q: Where is the production of refractory manganese alloy manufacturers? Manganese is recommended between 63 and 70!
- China is mainly used in honing, maybe I face all doubt you forget who may waste cheap no taste who cheated you don't mind set back easily stripped of a planet in the comfort of your brow you open your mouth and then grow the universe to my hand behind you let you spend what a fragile Oh maybe I face all abandoned about half past three in the morning wake up to drink a cup of soda rather baffling weary belch a bubble the tiny uneasy, and perhaps two of us Butterfly
- Q: What are grade classifications of the external walls fireproofing material?
- There are many kind of external walls fireproofing material, according to the document No. 65, the grade of external wall fireproofing material can be divided into: Level A is inorganic insulation non-combustible materials, such as cement foam insulation board, vitrified?micro bead?thermal insulation?mortar, rock wool board, glass wool panels. Level B1 is nonflammable material, mostly are organic material which has added a relatively large amount of flame retardant, such as polystyrene board, extruded sheet, phenolic foam board and polyurethane board. Level B2 is flame-retardant materials, and also known as fire-retardant materials, mostly are organic insulation materials with appropriate amount of flame retardant.
- Q: What is acid refractory material?
- Corundum products containing more than 95% of alumina are a kind of high quality refractory materials with a wide range of uses. Chrome brick by using chromium oxide as the main component of the corrosion resistance of steel slag is good, but the poor heat shock resistance, high load low deformation temperature. Carbon refractories with carbon bricks, graphite and silicon carbide products, low coefficient of thermal expansion, high thermal conductivity, heat vibration performance, high strength, corrosion resistance to acid and salt, without wetting of the metal and slag, light. It is widely used as lining material of high temperature, and also used as lining of autoclave in petroleum and chemical industry. Basic refractories in Magnesium Oxide and calcium oxide as the main ingredient, commonly used is brick. Magnesium Oxide 80% to more than 85% containing magnesia brick, has good resistance to alkaline slag and slag, refractory clay brick and brick high ratio. Mainly used in open hearth furnace, oxygen converter, electric furnace, non-ferrous metal smelting equipment and high temperature equipment. High temperature oxide materials in refractory special applications, such as aluminum oxide, lanthanum oxide, beryllium oxide, calcium oxide, zirconium oxide, refractory compounds, such as carbides, nitrides, borides, silicides and sulfides; high temperature composite materials, including metal ceramics, high temperature inorganic coatings and fiber reinforced ceramics.
- Q: What characteristics do A grade external wall fireproofing material have?
- For characteristics of A grade external wall fireproofing material, its main raw material uses cold resistant and thermal insulated, environmental protection and energy saving material with good insulation, keeping the indoor temperature steady and making the environment more comfortable. It is several times better than other masonry in overall strength and resist capability, and it can also hang heavy objects such as air conditioners by directly nailing or installing expansion bolts. Single point hanging machine can withstand heavy objects with the weight of more than 45kg. It can also be directly fixed to the tiles, wallpaper, wooden plaques, paint, etc.
- Q: How long is the fire endurance of the rock wool board?
- In the fire?safety?rules, of the building materials are classified as non-burning combustion body, difficult to burn the body and burning body categories depending on its difficulty level of burning. Rock wool board is the fiber processed by the coated steel sheet and basalt minerals and other inorganic minerals,and the building panels through artificial composition. Because that the dominant sectors, like, steel plate and rock wool are non-combustible materials, so it should be considered as non-combustible?component. The fire resistance of rock wool board has its judging criteria. Loss of support capacity, loss of integrity and loss fire insulation function. Its fire resistance is within 2 hours.
- Q: What do refractory materials include?
- It is so difficult.
- Q: What kinds of fireproof materials does the safe use?
- Copper is one of the most widely used material in safe, for its good mechanical performance, corrosion resistance and processibility and it has beautiful color. Especially handles, locks and other decorations forged of copper are smooth, pore-free, also they have good density, and no blisters. They are solid and rust-proof, which can get gilded with 24K gold or gulch-gold and have other surface treatments. A lot of colors have been added to people's home for the copper's magnificence and nobleness.
- Q: How long is the fire endurance of fire resistant rolling shutter door?
- According to the new national standards GB_12955-2008 for fire doors from January 1, 2009, fire doors are classified acoording to thermal insulation fireproof door(A),part heat insulation fireproof door(B) and non thermal insulation fireproof door(C), rather than thermal insulation fireproof door. At the same time, the original fire endurances of class A, B and C fire doors are adjusted to 1.5h, 1.0h and 0.5h respectively. So, GB is 1.5h
- Q: I am a refractory material manufacturer, sold products, money is always not back, anxious to die, what is the way?
- Many manufacturers are facing the same problem, difficult to find the order, order the payment contract is more difficult, it is difficult to have binding, the better solution is to seek third party secured transactions, see the whole production or see full delivery
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High-Quality Drainage Agent Raw Materials for Refractory
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