Refractory grade White fused alumina low sodium 0.3%

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White Fused Alumina ( WFA OR WA) is made from chemical by high furnace or tilting furnace at high temperature . it is very impor

White Fused Alumina

White Fused Alumina ( WFA OR WA) is made from chemical by high furnace or tilting furnace at high temperature . it is very important raw material for advanced refractory and abrasives. Its properties are as following :

Property

Size

0-1 1-2 3-5mm

Fine (mesh)

0-180 0-320

Spec

Typical Value

Spec

Typical Vlalue

a-Al2O3

99%Min

99.5%

99%Min

99.2%

SiO2

0.2%Max

0.08%

0.2%Max

0.12%

Fe2O3

0.2%Max

0.01%

0.25%Max

0.05%

Na2O

0.4%Max

0.23%

0.4%Max

0.30%

Principal crystalline Phase

a-Al2O3

Crystal systerm

Hexzagon

Color

White

True density

3.95Min

Bulk density

1.75-1.95

Mohs hardness

9

Size (mm)

85 53 31 10

Fine(Mesh)

-80,-120,-240,-320

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Q:How much refractory material is needed when 1 million ton coke oven is produced?
Q:What is neutral refractory? Can refractory suppliers tell the main components of it?
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Q:What are the best refractory materials in 2,400 Celsius degree?
You can try zircon sand which has a melting point of 2430.
Q:how to classify Insulating Refractory ?
Insulating Refractory by the physical form of the material is divided into: thermal insulation refractory slab, thermal insulation refractory blanket, thermal insulation refractory loose wool, and thermal insulation refractory irregular part. thermal insulation refractory material can also be classified by materials, temperature, manufacturing technique and application area.
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:How to distinguish between class A fire resistant door and class B fire resistant door from appearance ? What are the differences between the two refractories? Thank you !
From the perspective of appearances, grade A is 70mm, B 50mm. Their materials are the same .
Q:Does anyone know what is a lightweight refractory material?
I am ignorant of this!!
Q:What's the heat conductivity coefficient, specific heat capacity and density of the refractory material of magnesite-chrome brick and magnesia-alumina brick respectively?
It is suggested that you find some samples of well-known manufacturers, such as Ogilvy and Mather Group, and that will be more correct.
Q:How many kinds of refractory materials are there in the EI?
I suggest that you contribute articles to foreign SCI journals for the odds are better, and generally the articles that fill the bill will not be rejected. The traditional refractory materials can contribute to EI journal. If being rejected by EI journal, you can also contribute to Russia's journal Industrial Ceramics and Refractories. I didn't contribute to the Journal of Wuhan University of Science and Technology, the receiving cycle is almost 3 to 4 months. Though the impact factor is low, domestic EI journal is not so good, it is still SCI journal. This is my own experience, please take my advice. The best journals are the Journal of the American Ceramic Society and the Journal of the European Ceramic Society, I heard that they are not bad. But the best domestic EI refractory material journal is the Journal of The Chinese Ceramic Society. It is very long, but if it belongs to your university, it is another pair of shoes. Journals now all want to have materials about functional ceramics, and they don't want Chinese articles, if your English is not well enough, you can choose Ceramics International and Japan Ceramics but they have strict manuscripts reviewing standards.
Q:what materials can make external wall fireproofing paint have the fireproofing effect
Adding flame retardant or fire retardant materials can be fireproofing, which commonly referred to as the external walls of fire retardant coating or fire retardant coating. Principle: Fireproof paint itself is flame-retardant or non-combustible, so that the protected base material can not directly contact with the air in order to the ignition delay and reducing the burning speed; except that, it also has a lower thermal conductivity, which can delay the transfer of flame temperature to the protected base material; fireproof paint thermal can decompose non-combustible inert gas by heating to dilute the thermal decomposition of combustible gas in protected object, making it difficult to burn or slow down the speed of burning.

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