$Raw Materials for Refractory:High Alumina Calcined Bauxite Ore System 1$
$Raw Materials for Refractory:High Alumina Calcined Bauxite Ore System 2$
$Raw Materials for Refractory:High Alumina Calcined Bauxite Ore System 3$

$Raw Materials for Refractory:High Alumina Calcined Bauxite Ore$

$Raw Materials for Refractory:High Alumina Calcined Bauxite Ore System 1$

$Raw Materials for Refractory:High Alumina Calcined Bauxite Ore System 2$

$Raw Materials for Refractory:High Alumina Calcined Bauxite Ore System 3$

Raw Materials for Refractory:High Alumina Calcined Bauxite Ore

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 2000 m.t./month

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Packaging & Delivery

Packaging Details:	Packing in 25kg pp bags or 1MT/1.25MT bulk bags
Delivery Detail:	within 15 days against the contract

Quick Details

Place of Origin:	Shaanxi, China (Mainland)	Shape:	Powder	Material:	Bauxite
SiO2 Content (%):	-	Al2O3 Content (%):	88%	MgO Content (%):	-
CaO Content (%):	-	Refractoriness (Degree):	1770°< Refractoriness< 2000°	CrO Content (%):	-
SiC Content (%):	-	Model Number:	JT-88	Brand Name:	CNBM
Fe2O3:	2% max	TIO2:	4%max	K2O+Na2O:	0.3%max
CaO+MgO:	0.5%max	Bulk Density:	3.0min

Company Information

CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.

Since 2004, the trading volume of CNBM International has been doubled in 5 successive years owing to the support of superior corporations and effort of all staff. Meanwhile, we have established strategic partnerships with hundreds of domestic manufacturers and sound business relations with clients from over 120 countries.

$High Alumina Calcined Bauxite Ore For Refractory$

Product Description

Item	AL2O3	FE2O3	TIO2	K2O+Na2O	CaO+MgO	Bulk density
GAL70	≥70	≤3.0	≤4.0	≤0.6	≤0.6	≥2.7
GAL75	≥75	≤2.5	≤4.0	≤0.5	≤0.5	≥2.8
GAL80	≥80	≤2.5	≤4.0	≤0.3	≤0.5	≥2.9
GAL85	≥85	≤2	≤4.0	≤0.3	≤0.5	≥3.0
GAL86	≥86	≤2	≤4.0	≤0.3	≤0.5	≥3.1
GAL87	≥87	≤2	≤4.0	≤0.3	≤0.5	≥3.2
GAL88	≥88	≤1.8	≤4.0	≤0.25	≤0.5	≥3.25
GAL90	≥90	≤1.5	≤4.0	≤0.25	≤0.5	≥3.4

$High Alumina Calcined Bauxite Ore For Refractory$

Q: Can anyone tell me what material the first rate fire resistant door is?: Class A fire door materials are mainly steel, wood, steel and wood,and other materials. If there is filling material in a Class A fire door, it is generally the perlite. According to the actual situation in China, the fire doors and windows are divided into class A, class B, class C, whose minimum fire endurances are stipulated, namely class A 1.50h, class B 1.00h, Class C 0.50h. There are fireproof wooden doors and fireproof steel doors. whose main purpose is to achieve fire endurance time. But door closers are required to be installed.

Q: What are included in wall fireproofing material?: External wall thermal insulation materials are divided into A and B according to combustion level. Grade A is incombustible material, while grade B is combustible material. A few years ago, fires in CCTV building and Shenyang hotel resulted from grade B material. Currently grade A is usually used, and some are even cheaper than the grade B material. Grade A is roughly divided into insulation mortar, phenolic board, rock wool board, foam cement board, etc. Insulation mortar is quite good. It is easy and convenient to construct, has low cost, but the production is too simple and it is easy to fake.

Q: Which are fireproofing external wall materials?: According to combustion performance, external wall thermal insulation materials are classified as Grade-A and Grade-B. Grade-A refers to incombustible material and Grade-B combustible material. A few years ago the fire in CCTV building and Shenyang Hotel were caused by Grade-B material. Currently Grade-A material is more commonly uesd and less expensive than Grade-B material. Grade-A material can be divided into thermal mortar, phenolic foam board, rock wool board, foam cement board, etc. Thermal mortar is easy for construction and unexpensive, but it is also easy for faking due tou its simple procesing. It is recommended to find a large factory whihc has gone through the formalities.

Q: What refractories are used in various parts of the blast furnace.: Blast furnace from top to bottom has the throat, hearth staves, waist, bosh, hearth and furnace bottom. the specific structure is as follows: The throat is the first to be affected by the impact and abrasion, generally use high-density alumina bricks. the upper and central portion of temperature furnace is only 400 ~ 800 ℃, the area with high alumina bricks and silicate bricks. The lower part of furnace is subject to erosion and dust erosion alkali metal vapor due to high temperatures, it is required in such case to use high quality clay brick,high alumina brick,carborundum brick,corundum brick that is slag resistance and alkali?resistance, temperature resustant and wearproof. Furnace bosh temperature reached 1400 ~ 1600 ℃, serverly eroded by slag,vapor, flush. so we use carborundum brick and reaction-bonded silicon?carbide?brick. Bosh temperature reaching1600 ~ 1650 ℃, using alumina brick, corundum brick or silicon carbide brick. the temperature of Hearth near the upper portion of the outlet zone at 1700 ~ 2000 ℃, use of silicate bricks and corundum castable graphite filler, silicon carbide bricks. In 1450 Silly twitch bottom temperature sealing die of hunger slander bet phoenix astringent preserved Grade ~ 1500 ℃, use of graphite bricks and microporous carbon bricks, now use more corundum brick, corundum mullite brick and synthetic mullite brick. x26lt;P class x3d "share-btn"x26gt;

Q: What defect does fused cast refractories have ?: In glass production, in addition to refractory as a building material and consider its durability, we still must attach great importance to its influence on glass quality. In such cases, the impact on the quality of glass is mainly the defects that eroded down refractory materials mixed in the glass, thus being prodeced of grass products. Defects are mainly foreign body defects such as sand, knot and wave reinforcement. What may directly affect the quality of glass are the wall brick and brick kiln bottom.

Q: Who can introduce the external wall thermal insulation materials fire rating regulations?: According to public fire-fighting [2007] No. 182, the contents of the notification on the implementation of a number of issues of national standards GB8624-2006 "building materials and products combustion performance classification", since there is large differences between the new version of the standard GB8624-2006 and the old version of GB8624-1997 in the principle, hierarchical structure and test methods. According to the cintent of notification, in order to ensure a smooth transition between the old and new standards, the current national standard "Fireproof? Specification of Building Interior Decoration?Design" GB50222, "fire?safety?rules of tall civil buildings design" GB50045, "Fireproof? Specification of Building Design" GB50016 have not completed the relevant amendments, the new classification method of GB8624-1997 and GB8624-2006 can be used for temporary reference in terms of combustion performance of materials . From GB8624-2006 standard implementation, the classification of combustion performance is too granular, which do not match to the actual construction of the current project in our country. Therefore, the relevant departments carry on the 3rd amendment for the GB8624-2006 standards, namely GB8624-2012, and it will be released on December 31, 2012 and implemented on October 1, 2013. The combustion grading requirements in the standard: Level A is non-combustible materials (products); level B1 is nonflammable material (products); level B2 is combustible materials (products); level B3 is flammable materials (products).

Q: whether the aluminum silicate thermal insulation material is fireproof or not?: aluminum silicate is fireproof, and the melting point is between -40 ~ 800 ℃. Aluminum: it takes the flint clay clinker as raw material, produced by resistance or electric arc furnace fusion and injection fiber-forming process. its characteristics: Low thermal conductivity, excellent thermal and chemical stability, without binder and corrosive material.

Q: What does refractory mean?: Ordinary refractories are often used brick, semisilica brick, clay brick, high alumina brick, magnesia brick etc..Special materials often use AZS brick, corundum brick, magnesia chrome brick, silicon carbide, silicon nitride bonded silicon carbide, nitrides, silicides, sulfide, boride, carbide and other non oxide refractory materials; calcium oxide, chromium oxide, alumina, Magnesium Oxide, beryllium and other refractory materials. Often used insulation refractories are diatomite products, asbestos products, insulation panels and so onUnshaped refractory materials commonly used are fettling, refractory ramming material, refractory castable, refractory plastic material, refractory clay, refractory gunning, refractory cast material, fireproof coating, lightweight castable, mud etc..

Q: How many external wall thermal insulation fireproof material are there: External wall thermal insulation materials are generally divided by the burning grade, into class A, B grade. Grade A is non combustible material, grade B is combustible material. Class A which can be divided into thermal insulation mortar, bakelite plate, rock wool plate, foam cement plate etc.. Insulation mortar is relatively good, easy for construction, convenient, low cost, but its production process is too simple, so it is prone to fake. I recommend you to find a large manufacturing factory that posses complete procedure, for example, provincial production record, the provincial use record, municipal record, tset report at or above the provincial level, state fire proof report, design drawings of office building. product will not be safe if there is a lack of any of these documents. Burning level for henolic is uaually class B, but class A2 can be reached if a thin layer of mortar is applied on the suface,(A1 is the highest level of fire safety),intensity of phenolic is not high, finger pressing will leave a pit on it. if classified according to kilogram, raw material differs greatly every 10 kilogram. Rock wool is also classified by kilogram, general using 150kg wool. Rock wool are now comprounded with average strength. It will easily absorb water, having trouble applying paints. Foam cement strength is not high, easy to absorb water, It is not resistant to falling. It costs low, only used unless little profit can be made, Do not use it if worrying accidents would happen. These materials can be firstly burned, The palce the sample into water to see if it will dufuse at last. External wall should stand up to wind and rain. In terms of thermal insulation, they are almost the same, shows little differences on design thickness.

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