Black Brown Corundum Brown Fused Alumina Powder for Fireproofing Refractory Brick
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Product Highlights
- High Purity Composition: Al2O3 content up to 95.5% with low iron content (0.12%)
- Versatile Grain Sizes: Available in F grit 4#-150#, P grit 8#-220#, and micro powder W0.5-W63
- Ideal for Non-Ferrous Metals: Low iron content prevents contamination on non-ferrous metal substrates
- Efficient Surface Cleaning: Hard and sharp abrasive cleans rapidly, removes scale, rust, and old coatings
- Diverse Applications: Suitable for blast cabinets, ceramic grinding wheels, and refractory applications
- Customizable Colors: Available in Brown and Black color options
- OEM and ODM Services: Customization services available for specific product requirements
- Fast Delivery: Peak and off-peak season lead time within 15 workdays
Product Attributes
- Customization
- Available
- Colour
- Brown and Black
- Grain Shape
- Angular
- Al2O3
- 95.5%
- Fe2o3
- 0.12%
- Natural Abrasive Type
- Natural Corundum
- Artificial Abrasive Type
- Corundum Abrasives
- Application
- Metal Parts
- Function
- Surface Deburring
- Source
- Natural Abrasives
- Particle Size
- Abrasive
- Hardness
- Conventional Abrasive
- Transport Package
- Big Ton Bagwith Small 50kg Small Bags
- Trademark
- WANYU
- Origin
- China
- HS Code
- 2818101000
- Production Capacity
- 40000 Tons/Year
- Package Size
- 60.00cm * 40.00cm * 20.00cm
- Package Gross Weight
- 5.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Black Brown Corundum Brown Fused Alumina Powder for Fireproofing Refractory Brick
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Product Description


|
Specification |
Chemical composition(%) |
Magnetic material ≤ |
|||||
|
Al2O3(≥) |
Fe2O3(≤) |
SiO2≤ |
TiO2≤ |
||||
|
For abrasive |
F grit |
4#-80# |
95.0 |
0.3 |
1.5 |
3.0 |
0.05 |
|
|
90#-150# |
94.0 |
0.03 |
||||
|
|
180#-240# |
93.0 |
3.5 |
0.02 |
|||
|
P grit |
8#-80# |
95.0 |
0.2 |
1.2 |
3.0 |
0.05 |
|
|
|
100#-150# |
94.0 |
0.03 |
||||
|
|
180#-220# |
93.0 |
0.3 |
1.5 |
3.5 |
0.02 |
|
|
Micro Powder |
W0.5-W63 |
92.5 |
0.5 |
1.8 |
4.0 |
|
|
|
actory |
Size for Sand |
0-1mm |
95.5 |
0.3 |
1.5 (1.0 from Tilting Furnace) |
3.0 |
|
0-3mm |
95.0 |
0.3 |
1.5 |
3.0 |
||
|
Fine powder |
140F |
94.5 |
0.5 |
1.5 |
3.5 |

Dongrun Century values the very highest quality:
Our extensive network of international teams of consultants has many years of experience of industrial surface finishing gained across different sectors of industry.
Thanks to our warehousing right across China, we can deliver products to you swiftly.
We offer consultation and products!
You are the expert on your products - we are the experts on everything that makes your product perfect. At Dong run Century our thoughts constantly focus on blasting, grinding, cutting, infilling - indeed everything that makes surfaces perfect for you. This is precisely why we have one of the most versatile ranges of blasting media and abrasives in China.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2251654". Items marked "" are certified.
Company Profile
Century Dongrun (Shandong) Import and Export Co., Ltd
It is the production factory (Chiping Wanyu Industry and Trade Co., Ltd. ) established on the basis of expanding sales scale with independent import and export rights, a wholly-owned subsidiary, relying on the company's strong production and research and development strength, production factory: Chiping Wanyu Industry and Trade Co., Ltd. Was established in 2010, is located in Xinfa Industrial Park, Chiping county, Shandong province. The factory covers an area of more than 50 mu, with 7 smelting aluminum, 5 sand making lines, 5 ball mills, the annual production of various kinds of refractory/wear-resistant raw materials 35, 000 tons, has become the local largest smelting base and sand making production line.
Relying on more than ten years of professional production experience, our company's products cover white fused alumina, brown fused alumina, pink corundum, high temperature alumina, black/green silicon carbide, the product line covers: Refractory section sand (specification 8-5#, 5-3, 3-1, 1-0#) small section sand (specification: # # 0-0.5-10-20-60-90 #) wear-resisting class granularity of sand sand (specification: F/P # # 12-8000).
It can be produced by different brands according to different user needs, complete variety specifications, stable quality, low magnetic content, high cleanliness, high purity grade, hardness/grinding force are better than similar products.
After more than ten years of development, the company has established a good supply and demand relationship with domestic and foreign refractory factories, brick factories, consolidation/coating abrasives enterprises, relying on independent export management, products are exported to Europe, America, Japan and South America, the Middle East and South America and other regions and countries, and well received by customers.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 1706, 17th Floor, Wealth Center, Dongchang Road, South Huangshan Road, Lucheng Economic and Technological Development Zone, Shandong Province, China
-
Plant Area
- 80 square meters
-
Number of Employees
- 10
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, within 15 workdays
-
Nearest Port
- Tianjin Port
Our Production Capability & Technical Expertise
-
Main Products
- White fused alumina, Brown fused alumina, Pink fused alumina
-
Production Machines
- Sand breaking line, Heating furnace, Mixing machine, Ball mill line
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Test Reports for Raw Materials
- Others
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2021-12-06
- Export Year
- 2022-12-28
-
Main Markets
- Europe, Southeast Asia/ Mideast, Domestic
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
FAQ
- What is the Al2O3 content of this powder?
- The Al2O3 content ranges from 92.5% to 95.5% depending on the specific grit and type.
- Can this abrasive be used on non-ferrous metals?
- Yes, its low iron content makes it ideal for blasting operations where iron contamination is not allowed.
- What grain sizes are available?
- We offer F grit (4#-150#), P grit (8#-220#), and Micro Powder (W0.5-W63/F320-F1500).
- Is customization available for this product?
- Yes, we offer OEM and ODM services, and the product is available in Brown and Black colors.
- What is the lead time for delivery?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- What are the main applications of this powder?
- It is used for surface deburring, blast cabinets, ceramic grinding wheels, and refractory applications.
- What payment terms do you accept?
- We accept LC, T/T, D/P, PayPal, and Western Union.
- Where is the product shipped from?
- The nearest port for export is Tianjin Port.
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