China High reputation White Corundum Abrasive - WFA for Refractories – Yufa factory and suppliers

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High reputation White Corundum Abrasive - WFA for Refractories – Yufa

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Innovation, quality and reliability are the core values of our company. These principles today more than ever form the basis of our success as an internationally active mid-size company for Corundum Grains For Abrasive, Magnesium Aluminum Spinel, White Aluminum Oxide Al2o3, Seeing believes! We sincerely welcome the new customers abroad to set up business relationships and also expect to consolidate the relationships with the long-established customers.

High reputation White Corundum Abrasive - WFA for Refractories – Yufa Detail:

Applications

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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
Chemical Composition	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
Specification	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	≤ 9
0.5 ~ 0	0.5		67	0.075	≤ 25
0.3 ~ 0	0.3		82	0.045	≤ 10
0.2 ~ 0	0.2		77	0.045	≤ 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

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Our firm sticks to the basic principle of "Quality is the life of your company, and status will be the soul of it" for High reputation White Corundum Abrasive - WFA for Refractories – Yufa , The product will supply to all over the world, such as: Kyrgyzstan, Leicester, Greece, We put the product quality and customer's benefits to the first place. Our experienced salesmen supply prompt and efficient service. Quality control group make sure the best quality. We believe quality comes from detail. If you have demand, allow us to work together to get success.

Abrasive Wfa