White Fused Alumina For Refractory Material

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Qingdao
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TT OR LC
Min Order Qty:
50 m.t
Supply Capability:
5000 m.t/month

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Product Description:

White Fused Alumina For Refractory Material

Specifications

White Corundum/WFA for Lapping and Polishing
1 Professional manufacturer
2 High purity
3 Good hardness and toughness

Product Description

White corundum/WFA is made from the high quality aluminum oxide powder by melting above 2,000°c in the electric arc furance and cooling.

Physical Index

True Density≥3.96g/cm3
Micro HardnessHV2000-2200
Mosh Hardness9
Refractoriness≥1850°c
Melting Point2250°c

Chemical Index

ApplicationSpecificationChemical Composion(%)
Al2O3Na2O
AbrasivesF12#-80#99.4min0.4max
90#-150#99.3min0.4max
180#-240#98.2min0.4max
1#-63#99.3min0.4max
Refractory

180#-0

200#-0

320#-0

 

99.3min0.4max
Powder

0-1mm

1-3mm

3-5mm

5-8mm

8-12mm

99min0.4max

Size Available

1 Abrasives F8-F1500, P12-P220, JIS240-JIS3000

2 Refractoy 0-1mm, 1-3mm, 3-5mm, 200mesh, 325mesh

3 Other specifal specification could be supplied as required

Main Applications

1 Coated and bonded abrasive tools

2 Lapping and polishing processe

3 Precision casting

4 Refractory material

White Fused Alumina For Refractory Material

White Fused Alumina For Refractory Material

White Fused Alumina For Refractory Material

White Fused Alumina For Refractory Material






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Q:Do you know where I can buy refractories?
You can buy refractories in these places: 1. Addresses of refractory factory: No. 57, Qingshan District, Wuhan 2. Address of Qingshan refractory factory in Wuhan: Special NO.1 Xingli Road Hongshan District, Wuhan 3. Address of Xinghuo refractory factory in Hongshan district: No. 34 Qingshan District, Wuhan 4. Address of Henao refractory factory: No. 78 Jiangxia District, Wuhan
Q:What are the application of old refractory bricks?
It can still be used as refractory bricks or refractory. The quality of auxiliary material is not as good as bauxite.
Q:how to use boiler fireclay
Boiler refractory, diluted with water to touch the places where needed, can be used after high temperature baking.
Q:whether the fire resistant level of aerated concrete building blocks can reach the grade one?
the fire resistant level of aerated concrete building blocks can reach the grade one level. Aerated concrete strength grade shall be divided according to the concrete cubic compressive strength value. Use the symbol C and the cube compressive strength value (in N / mm2 or MPa gauge) to express. According to GB50010-2002 "concrete structure design specifications" provisions, ordinary concrete is divided into fourteen levels, namely: C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75, C80 .
Q:Is there requirement for radiation indicator in refractory?
All refractories have no radiated harm to environment, so there is no requirement. From the elemental analysis, magnesite. I do not know it is helpful to you. But for refractory rwa material, any chemical element is radiated, including silicon dioxide; If they are radioactive. From the use analysis, such as bauxite, do not have use value.
Q:which kind of material should be used in fireproofing cabinet?
Natural stone,marble. advantage: Colorful, soft texure, natural and diverse texture, easy to cut or engraving molding. Disadvantages: Because it is a natural formation, tiny loose crackle is easily folded, because the stone is porous material structure, if sewage and waste water permeate in the structure in the process of production, transportation or construction, it's difficult to clean and easy to crack. In daily cleaning, it is inevitable that there will be some residue left, and dirt is filled into crack under the wiping of rag and becomes a breeding ground for bacteria. 2, granite. advantages: Granite has big density and high hardness, with wear-resistant surface, it's one of the most common materials for family decoration. Compared with natural marble, it can be used in the materials of kitchen countertops, and granite has good anti-bacterial regeneration ability. Disadvantages: As the cabinet table material, natural stone is usually not very long, so in order to produce a long overall table (especially U-shaped, L-type table), it will certainly exist joints, which are also easy to hide dirt. 3, artificial stone. advantages: Artificial stone has richful lines and colors, and it can be comparable to stone, it's non-toxic, non-radioactive, easy to clean, and can be truly seamless splicing. it belongs to economic environmentally friendly material. Disadvantages: Artificial stone belongs to the processing industry, and has low technology requirements, The inferior products of many small companys are fulled in the market and damage customers' interests. There exist faded color,poor aging resistance,oil stain and other issues in affordable products.
Q:What are first rate fire resistant window materials?
class A window not less than 1.2 hours, class B window not less than 0.9 hours, Class C window not less than 0.6 hours. technical requirments: 1, materials and accessories (1) the window frame is made with a certain strength sufficient to safeguard the integrity and stability of the steel frame or wooden frame. (2) steel frame and mound layer can choose the galvanized steel plate or stainless steel plate. Its selection standards is in line with GB12955 "Steel Fireproof Door General Technical Condition" provisions of Article 5.1. (3) wood frame and mound layer material selected from the standard should be consistent with GB14101 "General Technical Conditions of Wooden Fireproof Door" in the provisions of Article 5.1.1. (4 ) steel, wood frame the inside filler material should be incombustible material. (5) fireproofing glass can be used without affecting the fire windows fire resistance test approved product. light transmittance of glass should not less than 75% of commom sheet glass which is the same number of layers. ( 6) a sealing material between the frame and the fire-resistant glass flame retardant materials should be used, which can play the role of fireproofing and smoke insulation in case of fire (7) hardware fitting should be tested as approved supporting product
Q:How is refractory material made?
It is made from polyester.
Q:Why can aluminium hydroxide not be used to make refractory material?
Hope my answer is helpful to you. It decomposes and produces aluminium oxide and water after heating, chemical equation for the reaction is: 2Al(OH)3=△=Al2O3+3H2O. Aluminium hydroxide can't be directly used to make refractory material because aluminium hydroxide is not stable.
Q:Who knows about the fire endurance of A grade fireproofing glass doors?
Fire doors and windows are divided into grade A, B and C according to the real national situation, also the minimum fire endurance has been stipulated, namely, the minimum fire endurance of grade A is 1.50 h, that of grade B and C are 1.00 h and 0.50 h respectively. There are wooden fire doors and steel fire doors. The main purpose of it is to reach the time that fire resistance should last. But door closers are required to install. The fire endurance of A grade wooden fire doors should be no less than 90 min, and that of B grade fire doors should be no less than 60 min, that of C grade fire doors should be no less than 30 min! ! !

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