Physical properties
Brand Mca-8a Mca-7a
Index
Mgo 83.44 85.64
Cao 8.05 7.59
Sio2 3.48 2.83
Cao/sio2 2.31 2.68
Refractoriness under load 1700 1680
Cold crushing strength 102 106
Thermal shock resistances 3
Apparent porosity 10 18
If You Are An Industrialist Than You May Know That It Is Very Important To Build It Up With Very Good Quality Of A Product Because One's The Product Used Cannot Be Replay Again And Again. Isn't It? The Magnesite Brick Is One Of The Most Extensively Used Primary Refractory Bricks. Magnesite Bricks Are One Of The Most Needed Product In Chemical And Nonchemical Processes, Due To Its Properties Such As Chemical Corrosion Resistance, Flexibility, Thermal Conductivity And Coating Ability. We Are Distributing Magnesite Brick Across The World As Our Goal Is To Give You The Excellent Quality In Moderate Cost. Depending On Your Requirement, We Will Provide You Our Services Not Only In India But Across The World. We Would Glad To Help You Out To Choose Whatever Is Profitable For You.
Magnesia Bricks Description Magnesia Bricks are alkaline refractory materials. These products have over 90% magnesium oxide content and adopt periclase as the principal crystalline phase. Magnesia Bricks can be divided into two categories of Burnt Magnesia Bricks and Chemical Bonded Magnesite Brick. They have excellent performance of superior high temperature mechanical strength and volume stability. Magnesia Bricks can service in the high temperature of 1750.. They are ideal products for glass furnace application. Magnesia Bricks Features: It is a kind of alkaline refractory product with periclase as main phase magnesite-alumina spinel clinker as basic material. the product has such characteristics as good temperature vibration, good strength and volume stability in high temperature. Magnesia Bricks Application Basic open-hearth furnace for steelmaking Electric furnace bottom and wall Permanent lining of oxygen converter Non-ferrous metal metallurgy furnace Hyperthermia tunnel kiln Lining of rotary cement kiln Heating furnace bottom and wall Regenerative chamber of glass furnace Magnesia Bricks Properties High Refractoriness Good alkaline slag erosion resistance High apparent initial softening temperature Good thermal conductivity High thermal expansion Magnesia Bricks Manufacturing Process Burnt Magnesia Bricks are manufactured with magnesite clinker as the raw material and fired in the high temperature of 1550~1600 after smashing, burdening, mulling and molding. High-purity products can be fired in the temperature that over 1750. Chemical bonded magnesite brick is produced with certain chemical bonding through mixing, molding and drying.
Magnesite brick, the content of magnesium oxide is more than 90%,periclaseas the main crystal phase of basical refractory brick. Magnesite with high temperature refractorness, high begining temperature of softing under loading,good alkali resistance of slag. According to differnence of the production technology and raw materials,it is names general magnesite brick and fused magnesite brick. Magnesite brick is mainly used for open hearth furnace,bottom and wall of the EAF,conventer, high temperature tunnel kiln,cement kiln,lime kiln, glass furnace regenerator. Any interests, get back to me at whatsapp008618848875625
Magnesia chrome brick with high purity magnesia and high quality chrome ore as raw material, after high pressure forming and high temperature sintering. Magnesia chrome brick with good thermal shock resistance and volume stability, used in the cement and glass industries, also Non-ferrous metal smelting furnace.
Magnesia chrome brick is an alkaline refractory product, which is made of periclase and magnesia chrome spinel, and is fired at 1600~1800 °C in an oxidizing atmosphere. It can also be made into non-burned brick by chemical bonding agent such as water glass. According to the raw materials and process characteristics of the products, it can be divided into silicate-bonded magnesia-chrome bricks, direct-bonded magnesia-chromium bricks, re-combined magnesia-chrome bricks, semi-recombined magnesia-chrome bricks, pre-reacted magnesia-chrome bricks Casting magnesia chrome bricks.
Our main exporting brand of refractory bricks are: Direct bonded magnesia-chrome bricks ííííthe product is manufactured by taking high purity magnesia and high quality chrome as raw materials through the process of high pressure moulding and high temperature burning.It has a good thermal shock resistance and volume stability and is applied in the cement and glass industries. Main physiochemical property indexes of product Chemical composition and technical performance Product brand Lzmg-5 Lzmg-8 Lzmg-12 Lzmg-15 Mgo(%) í²70 í²65 í²60 í²55 Sio2(%) ín1.5 ín1.5 ín1.8 ín1.8 Cr2o3(%) í²5.0 í²8.0 í²12.0 í²15.0 Apparent porosity(%) ín18 ín18 ín18 ín18 Cold crushing strength(mpa) í²40 í²40 í²40 í²40 0.2mpa refractoriness under load t0.6(oc) í²1650 í²1650 í²1650 í²1650 Thermal shock resistance(1300oc air cooling) í²20 í²20 í²20 í²20 Also we specially in exporting submerged entry nozzle, sliding plate, ladle and tundish nozzles and well block, etc. Herewith please find some typical refractory material which we have been exported for your reference: Ladle, tundish nozzles and well blocks Item Chrome corundum nozzle Corundum nozzle Al2o3-sic-c nozzle Spinel-c nozzle Lt-70 nozzle Lt-85 nozzle Upper porous nozzle for Tundish Al2o3 (%)í² 90 93 65 55 70 85 80 Cr2o3 (%)í² 2.5 13(mgo) 2.5 C (%)í² 22 7 10 7 3 A.P. (%)ín 2.9 24 8(impre-gnated) 8(impre-gnated) 15 15 24 B.D. (g/cm3) í² 1790 2.95 2.7 2.7 2.7 2.9 Refractoriness (íµ) í² 1550íµx3h 1790 Linear change on reheating(%) +0.1-+0.3 1600íµx3h +/-0.5 Wooden pallets
We are a worldwide supplier and applications expert of specialty refractory products for the ceramics, metallurgy, chemical, petrochemical, and power generation. Alexandria modern trade company specialize in products ranging from refractory bricks, tiles and blocks to mortar, cements, with special expertise in high alumina refractories and alumina silicate refractories (high and super duty). The quality of the products and services of amtc refractories is based on a long track record of our manufacturers being among the largest producers of refractories in north africa, mediterranean, and the middle east & arabian gulf areas with more than 50 years experience in the refractories field. These refractories are distributed through our large distribution network throughout europe, middle east, north africa, and arab gulf. As per order
We supply various by products of refractory industry like magnesite bricks, Aluminia bricks etc. For price, specifications and other details plz contact us.
We can supply refectories used in steel industries- 1. Magnesia Carbon Bricks 2. Slide Gate Refractories Alumina/ Magnesite Base 3. Alumina Based Refractory Bricks starting from 45% to 95% 4. Nozzles 5. Magnesite Bricks For price, specifications and other details please contact us.
