Wholesale Price Fused White Alumina - WFA for Refractories – Yufa
Wholesale Price Fused White Alumina - WFA for Refractories – Yufa Detail:
Applications
1. White corundum powder is widely used in steel, cement, ceramics, petroleum and other industries.
2. It is an ideal raw material for making large-scale ladle castables, medium and high-grade iron trough castables, gunning materials, preforms and other unshaped refractory materials.
3. It is also the main raw material for various corundum products such as corundum bricks, corundum and mullite corundum saggers, corundum porous plugs for refining, integral spray guns and composite nozzles, and high-temperature industrial furnace lining materials.
Grit and Fine Powder
0-0.1mm 0-0.2mm 0-0.5mm 0-1mm 0.5-1mm 1-3mm 3-5mm 5-8mm, 5-10mm, 10-25mm, 100mesh 200mesh 325mesh …
Other spec are available upon request. Low sodium, Micro sodium WFA are both available.
Product Advantages
1. Low sodium and micro sodium WFA can be provided. Na2O can be double 0.
2. Bulk density can really reach 3.6 g/cm3, which can meet needs of various high-grade refractory materials.
3. YUFA spends 24hours non-stopping melting the WFA with a diameter of 6.5m in order to pursue the high-grade and stable quality.
4. Various specifications can be supported.
Chemical Composition
Chemical Composition |
Grit > 0.1mm |
Typical Value |
Fine Powder ≤ 0.1mm |
Typical Value |
Al2O3%≥ |
99.2 |
99.5 |
99 |
99.3 |
SiO2%≤ |
0.1 |
0.03 |
0.15 |
0.08 |
Fe2O3%≤ |
0.1 |
0.03 |
0.1 |
0.06 |
K2O+Na2O%≤ |
0.35 |
0.25 |
0.4 |
0.3 |
Apparent Porosity %≤ |
8 |
6 |
||
Common Bulk Density g/cm3≥ |
3.6 |
3.65 |
||
High Bulk Density g/cm3≥ |
3.68 |
3.72 |
||
True Density g/cm3≥ |
3.9 |
3.93 |
3.9 |
3.93 |
Chemical Composition Of Low Sodium, Micro Sodium White Fused Alumina
Chemical Composition |
Low Sodium |
Micro Sodium |
||
Guarantee Value |
Typical Value |
Guarantee Value |
Typical Value |
|
Na2O % ≤ |
0.15 |
0.08 |
0.08 |
0.02 |
Al2O3 % ≥ |
99.4 |
99.7 |
99.6 |
99.8 |
SiO2 % ≤ |
0.1 |
0.05 |
0.1 |
0.05 |
Fe2O3 % ≤ |
0.05 |
0.02 |
0.05 |
0.02 |
Particle Size Composition Standard
Specification |
Coarse Grain |
Basic Grain |
Fine Grain |
||
Mesh Size (mm) |
Mass Percent Of Oversize (%) |
Mass Percent (%) |
Mesh Size(mm) |
Mass Percent Of Undersize (%) |
|
25 ~ 15 |
20 |
≤ 8 |
83 |
115 |
≤ 9 |
15 ~ 10 |
15 |
110 |
|||
8 ~ 5 |
8 |
5 |
|||
5 ~ 3 |
5 |
3 |
|||
3 ~ 1 |
3 |
1 |
|||
1 ~ 0 |
1 |
0.075 |
≤ 10 |
||
1 ~ 0.5 |
0.5 |
≤ 9 |
|||
1 ~ 0.3 |
0.3 |
||||
0.5 ~ 0 |
0.5 |
67 |
0.075 |
≤ 25 |
|
0.3 ~ 0 |
0.3 |
82 |
0.045 |
≤ 10 |
|
0.2 ~ 0 |
0.2 |
77 |
≤ 15 |
||
0.088 ~ 0 |
0.09 |
≤ 10 |
90 |
|
|
0.074 ~ 0 |
0.075 |
|
|
||
0.044 ~ 0 |
0.045 |
Note: Various section sand and fine powder can be processed according to customer needs
Product detail pictures:
Related Product Guide:
"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Wholesale Price Fused White Alumina - WFA for Refractories – Yufa , The product will supply to all over the world, such as: Brazil, Peru, luzern, We adhere to client 1st, top quality 1st, continuous improvement, mutual advantage and win-win principles. When cooperation together with the customer, we provide shoppers with the highest high-quality of service. Established good business relations using the Zimbabwe buyer inside the business, we've got established own brand and reputation. At the identical time, wholeheartedly welcome new and old prospects to our company to go to and negotiate small business.
By Frederica from Ecuador - 2017.02.28 14:19
The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
By Nelly from Macedonia - 2017.06.29 18:55