Raw Materials for Refractory:Caustic Calcined Magnesite Products
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Caustic calcite magnesite is made from nature magnesite through calcining in reverberatory furnace,rotary furance and boiling furnace.This products calcine uniform possess stable quality,high purity and well-activeness, are used widely in paper making, chemical industry, production of pharmaceuticals,animal husbandry, rubber making refractory material and buliding material industry etc.
CAUSTIC CALCINED MAGNESITE
| MGO% | SIO2% | CAO% | LOI% | |
| CCM-67 | ≥ 67 | ≤ 8 | ≤3 | ≤11 |
| CCM-68 | ≥ 68 | ≤ 8 | ≤3 | ≤11 |
| CCM-69 | ≥ 69 | ≤ 8 | ≤3 | ≤11 |
| CCM-80 | ≥ 80 | ≤ 7 | ≤ 2 | ≤ 10 |
| CCM-85 | ≥ 85 | ≤ 6 | ≤ 2 | ≤ 8 |
| CCM-87 | ≥ 87 | ≤ 5 | ≤ 2 | ≤ 7 |
| CCM-90 | ≥ 90 | ≤ 4 | ≤ 2 | ≤ 6 |
| CCM-92 | ≥ 92 | ≤ 3 | ≤ 2 | ≤ 5 |
| CCM-94 | ≥ 94 | ≤ 2 | ≤ 2 | ≤ 4 |
| CCM-95 | ≥ 95 | ≤ 1 | ≤ 1.5 | ≤ 3 |
FUSED MAGNESITE
| MGO% | SIO2% | CAO% | LGL% | B.D g/cm3 | SIZE mm | |
| FM | ≤ 98 | ≤ 0.5 | ≤ 1.0 | ≤ 0.2 | ≤ 3.5 | ANY SIZE |
| FM | ≤ 97 | ≤ 1.2 | ≤ 1.2 | ≤ 0.2 | ≤ 3.5 | ANY SIZE |
WHITE FUSED MAGNESITE
| MGO% | SIO2% | CAO% | LGL% | B.D g/cm3 | SIZE mm | |
| WFM | ≤ 97 | ≤ 0.7 | ≤ 1.5 | ≤ 0.2 | ≤ 3.45 | ANY SIZE |
| WFM | ≤ 97.5 | ≤ 0.7 | ≤ 1.5 | ≤ 0.2 | ≤ 3.45 | ANY SIZE |
- Q:What are the characteristics of magnesium fireproof plate
- Features: Glass magnesium plate is high temperature resistant, sound absorbing, and capable of preventing water, pests, dampness, corrosion, poison, pollution. Paint can directly be applied to the surface of the plate. Air nails are usable for the plate, to which ceramic tile can also be applied with good pigmentation. The plate is easy to decorate, has high strength, good flexibility when bending, and can be nailed, sawed, glued It can also be made into thermal insulation materials with a variety of compround composite insulation plate. Characteristic: Magnesium plate glass is high temperature resistant, sound absorbing, and capable of preventing water, pests, dampness, corrosion, poison, pollution. Paint can directly be applied to the surface of the plate. Air nails are usable for the plate, to which ceramic tile can also be applied with good pigmentation High strength, flexibility when bending, convenient for decoration. It can be sawed, nailed, and glued.
- Q:How long usually will the A-level fireproof materials prevent the flame?
- The classification of A-level materials is based on GB8624 - 2006 building materials and products combustion performance of grading method. Specific technical requirements are: 1, temperature ≤30 degrees; mass loss rate ≤50%; continuous burning time is 0; 2, the gross calorific value of main components, overall products, external non-substantial components ≤2.0MJ / kg; any internal non-substantial component ≤1.4MJ / kg;
- Q:What's the feature of construction external wall fireproof and thermal inuslation matertial?
- Building external wall fireproof thermal insulation material is made by stirring, casting, foam protecting and cutting with industrial by-product gypsum as the main raw material, adding sulphate aluminium cement, fly-ash, polymer additives and other materials. It has excellent properties of respiratory function , air permeability, water impermeability, recycling system data, wind load resistance, shock resistance, thermal insulation, fireproof and sound insulation.
- Q:what's the varieties of fire-proof?sealing?material?
- ATD-AB, organic fire-proof caulking, fire retardant bag, fire retardant net, fire retardant ring, fire barrier wrap, fireproofing sealing strip, flexibility fireproofing coiled material, fireproof glue, etc., fireproofing sealing materials currently on the market can be divided into two types, one is the traditional type: flexible organic caulking, WXY-II, fire retardant bag, fire?bulkhead, cable refractory coating; there are some new materials used in large-scale projects: fireproofing coating board system (fireproofing coating board, intumescent fireproof sealing tape, elastic fireproof sealant, Waterborne Fire-retardant Coating), fire retardant module system (fire retardant module, sealing gum, cable refractory coating), fireproofing plaster system (fireproofing plaster, sealing gum, cable refractory coating).
- Q:Why the corundum can be used as refractory
- It can resiatant to friction wear.The alumina material is a kind of neutral material with high temperature resistance, anti-acid, anti-corrosion, alkali resistance, and high hardness of corundum. The disadvantage is the poor thermal shock resistance, the main chemical composition of corundum is aluminium oxide and the melting point of corundum is 2080 degrees
- Q:who knows the fire resistant levels of fireproofing glass?
- According to the fire resistance levels, it can be divided into three categories: Class A: a kind of fireproofing glass that can satisfy the requirements of refractory integrity, refractory and thermal insulation at the same time. Including composite flameproof?glass and perfusion type fireproofing glass . This kind of glass has the properiyies of transmittance, fireproofing ( smoke insulation, fireproofing, and keeping out thermal radiation), sound insulation, shock resistance, and it's suitable for steel and wooden fire door of building decoration, windows, varnishing, partition walldaylighting?roof,ceiling?screen,perspective floor and other construction components demading for transparency and fireproofing. Class B: Marine fireproofing glass, including porthole fireproofing glass and rectangular window fireproofing glass, surface glass pane is tempered safety glass, the inner surface glass pane material can be arbitrary selection. Class C: it's a kind of monolithic fireproofing glass that only satisfies the requirements of refractory integrity. This kind of glass has characteristics of transmittance, fireproofing, smoke insulation and high strength,etc. It's suitable for fireproofing glass partition wall, fire Windows, outside curtain wall and other places without insulation requirements.
- Q:What are the fire endurance requirements of class A fire resistant door ?
- The fire endurance of class A fire resistance door is 1.5H, but also depends on the product quality. The filling material of class A, B, C fire doors is the same, new fireproofing material-- perlite. The difference is their thickness. The general structure is: surface panel, fireproof?board framework (filled with perlite) fireproof?board panel. !
- Q:What are the fire protection standards of insulation materials?
- This question is, like this. The combustion performance of thermal insulation materials for exterior walls of all civil buildings, within the scope of fire design auditing and fire control acceptance, should be brought into the auditing and acceptance. As for the "Management Regulations on Supervisions of Fire Prevention and Control for Building Projects" (Ministry of Public Order No. 106) , all civil buildings which are out of the scope of Article 13 and 14 are included in the random check. Before the release of new standard, it must be strictly implemented the Article II of the "Fire prevention Interim Provisions on civil external wall insulation system and external wall decorative" ([2009] No. 46), namely, the insulation materials of civil buildings must use materials with A-level combustion performance.
- Q:Who knows the fire endurance of B-level fireproof doors and windows?
- Rock wool board of B-grade fireproof doors keeps 46mm in thickness, doors that are generally used in relatively common fire fighting access, while A-grade fireproof doors are generally used in machine rooms, warehouses, oil depots and other important fire fighting access and flammable and combustible pulbic places. B-grade fireproof doors are more widely used than A-grade fireproof doors.
- Q:What is the classification standard of fireproofing material levels?
- the following are the criteria: Currently fire materials levels mainly include:class A : incombustible building material,which almost doesn't burn. class A1: non-combustible, without open fire, class A2, non-combustible, it needs to measure the smoke and be qualified. class B1: nonflammable building material: nonflammable materials have good flame resistance function. when it contacts open fire or is under high temperature, it's difficult to burn and be spreading rapidly, and will stop burn after removing the combustion?source. class B1: combustible?building?materials: combustible materials have good flame resistance function. when it contacts open fire or is put in the air at high temperature, it will immediately burst into flames, and easily result in the spreading of fire, such as wooden column, timber roof truss, timber beam, wooden stairs, etc. class B3: inflammability building materials, without any flame resisting effects, easy to burn, and has large danger of fire disaster. In addition, according to different standards, fire-proofing materials' grade partition is different: DIN4102: A1, A2, B1, B2, B3: EN13501-1 A1, A2, B, C, D, E, F
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Raw Materials for Refractory:Caustic Calcined Magnesite Products
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
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