ISO Certificated Low Na2O White Corundum/White Fused Alumina Grain with Al2O3 99.2 min

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Packaging & Delivery

Packaging Detail:1) 25kg woven bag 2) 25kg paper bag 3)1000kg big bag 4) According to clients' requirement.
Delivery Detail:Within 30 days or depend on the requirement of clients.

Specifications

White Fused Alumina grain with Al2O3 99.2 min
ISO9001 Certificated
Strong wear and heat resistance

1. Advantage

 

White fused alumina is made of quality alumina powder by smelting at 2050 °C.

 

1). High purity

2). Good self-sharpening

3). Less thermal diffusivity in grinding

4). Strong acid-alkali resistance

5).Excellent high-temperature stability,

6). Low porosity, etc

2. Available Size:

Refractory grade:

12-6mm 10-8mm 8-5mm 5-3mm 3-1mm 1-0mm 1-0.5mm 0.5-0mm 0.3-0mm....

80F 100F 120F 150F 180F 200F 240F 270F 320F/325F...

Abrasive Grade:

F8 F10 F12 F14 F16 F20 F24 F30 F36 F40 F46 F60 F80

F100 F120 F150 F180 F220

3. Applications :

A.The abrasive tools: grinding high carbon steel, high-speed steel and chilled steel.

B. Lapping and polishing medium

C. Crucible

D.Steel ladle

E. Catalyst carrier

F. Special ceramics and super refractory materials.

4. Physical Index:

Color

White

True Density

3.96g/cm3

Bulk Density

1.75-1.95g/cm3

Microhardness

HV2200-2300

Mohs Hardness

9.0

Melting Point

2250°C

5. Chemical Composition

Typical Value:

Al2O3

99.5%

Na2O

0.25%

Fe2O3

0.04%

SiO2

0.03%

Abrasives Grade:

Grit Size

Al2O3

Na2O

F12-80

>99.22%

<0.35%

F100-240

>99.0%

<0.4%

 

Refractory Grade

Grit Size

Al2O3

Na2O

0-1mm

>99.22%

<0.35%

1-3mm

>99.3%

<0.3%

3-5mm

>99.3%

<0.3%

200mesh

>99.0%

<0.4%

325mesh

>99.0%

<0.4%

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Q:What are the technical requirements for refractories?
The range of refractory is too broad. Therefore it is difficult to answer this question, but it is certain that there should be technical requirements.
Q:It the Special Fire-Proof Material belonged to ceramics? Is there a national standard of the Special Fire-Proof Material?
The fiber and reinforcing material of the metal ceramic is also belonged to the Special Fire-Proof Material. ~~~~GB is too much trouble, GB online should ~~~ Lei Bao Refractories for you. The high temperature inorganic coating. 5. The refractory compound. 3. The high melting point oxide. You can search it on the internet according to the classification~~~~ The special refractories can be divided into five categories: 1. metal ceramic
Q:Which region use more refractory?
Gongyi of Henan province use more refractories
Q:Who knows about the B-level fireproof insulation materials?
Organics, extruded sheet, polyphenyl board and phenolic resin. The fireproof performance of sea capacity module (fireproof and thermal insulation material) is B1-level with the heat conductivity coefficient of only 0.028w / m · k. It is a good choice. A-level: Rock wool, glass wool, silicate, aluminum silicate, calcium silicate, phenolic aldehyde, and foam glass. B-level: Rubber and plastic, extrusion molding, polyphenyl, PEF.
Q:What is refractory brick?
Capability1. Refractory brick is also known as firebrick. It is faint yellow or brownish. Refractory brick with 770 ℃ at high temperatures is called for short firebrick. It is mainly used for building and smelting furnace. It is a refractory material made by fring refractory clay or other refractory material.
Q:How many types of special refractories are there?
Metal ceramics, high temperature coatings, high temperature fiber and other reinforced materials
Q:What are the refractory stocks?
The company produces energy saving, environmental protection type functional refractory materials and unshaped refractory materials. It is the main functional refractory material and unshaped refractory production enterprise in china. Company's products to new green high-quality refractory materials, energy saving and environmental protection as the leading iron and steel industry technological progress and improve the level of technology and equipment to adapt to meet the "development policy" refractories industry to develop industry, has a strong competitive advantage in the market. The main domestic refractory products company can only use part of the products of refractory materials production of iron and steel industry, iron and steel industry production and Pu resistant can be used in the vast majority of refractory products, iron and steel industry with the most complete refractory products. Therefore, the future development of the company is closely related to the prosperity of the iron and steel industry. More than more than 2000 enterprises in refractory industry, the company is the largest supplier of refractory materials in China, and the market share is less than 2%. Iron and steel group integration will inevitably lead to the overall contract cost control, supplier refractory decreases by seventy or eighty to two or three. The company's overall contract accounted for 37% (Montreal 68%), the overall contract increase will enhance the market share and profitability. China's urbanization, industrialization and investment in the 4 trillion infrastructure will stimulate sustained and rapid growth of China's steel demand. Therefore, in the long run, the prospects for the development of refractories for iron and steel are broad.
Q:What are fireproofing materials?
Class A incombustible material: Granites, marbles, terrazzos, cement products, concrete products, plasterboards, clay products, glass, tiles, mosaics, steel, aluminum, copper alloys; B1 class flame nonflammable materials: Ceiling materials: gypsum plaster boards, fibrous plasters, cement particle boards, mineral wool decorative acoustic panels, glass wool decorative acoustic boards, perlite decorative acoustic boards, flame retardant plywoods and medium density fiberboards, rock wool decorative panels, flame retardant woods, aluminum foil composite materials, flame retardant phenolic laminates, aluminum foil glass fiber reinforced plastic composite materials; Wall covering: gypsum plaster boards, fibrous plasters, cement particle boards, mineral wool boards, glass wool boards, perlite boards, flame retardant plywoods, flame retardant medium density fiberboards, fireproof plastic decorative plates, nonflammable double-sided particle boards, multicolor paints, nonflammable wallpaper and textile wall cloth, flame retardant simulated granite decorative plates, magnesium oxychloride cement prefabricated wall panels, flame retardant glass fiber reinforced plastic plates, PVC plastic clapboards, high-strength and lightweight composite wallboards, fire-retardant molded wood composite boards, flame retardant colored artificial boards, nonflammable glass fiber reinforced plastics, etc.
Q:The primary problem, does the gas permeable brick is fired refractory bricks(refractory) ?
gas permeable brick have two types:built-in type and external mounted type. the built-in gas permeable brick and the external mounted gas permeable brick are usually made by fire burning, and small part of bricks are made by the low temperature heat.
Q:How many kinds of A-level fireproof and thermal insulation materials are there?
A-level non-combustible materials are mostly inorganic thermal insulation materials, as well as some organic compound materials can also be non-combustible; but if the convenient construction is required, panels are exempted, you can only choose inorganic thermal insulation mortar.

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