White Fused Alumina 24# 36# 46# Sandblasting Parts Polishing Casting Aluminium Oxide

Product Description

 

Product Description

White fused alumina/White aluminium oxide (WA) is electrically fused in the furnace with high grade bayer processed alumina as raw material..It has high purity,ability of self-sharpening,better cutting,less heat emit,higher efficiency,acid and alkali resistance,good thermal stability.Abrasives tools made of it are suitable for grinding high-speed,high carbon steel ,etc.It also can be used as materialsfor grinding and polishing,precision casting,spaying and coating, medium body for chemical industry,special ceramics and high-grade refractory materials,etc.

Ruite White Aluminum Oxide (WFA) has high compression strength, high toughness, excellent self-sharpening, low coefficient of thermal expansion, and excellent hydrophilia and cleanliness. It is a clean, high-strength material that resists oxidation and corrosion, maintains chemical stability, and withstands extraordinarily high temperatures.

 

Physical and Chemical Properties
Item	Value	Item	Value
Main Material	Al2O3	Color	White( Blue after calcining)
True Gravity(g /cm3)	>=3.90	Melting point(ºC)	2250
Bulk Density(g /cm3)	1.5-2.0	Max using Temperature(ºC)	1900
Mosh Hardness	10	Linear Expansivity(0-1600ºC)	7-9
Knoop Hardness(kg/mm²)	2000-2200	Crystal Structure	Trigonal System
Size Available(FEPA)	F8-F220,Other sizes upon request

 

Purpose	Specification		Chemical composition(%)				Magnetic material content(%)
			Al2O3	Na2O	Fe2O3	SIO2
For refractory	Size sand	0-1mm	≥99	<=0.5	<=0.14	<=0.25	<=0.03
		1-3mm
		3-5mm
		5-8mm
	Fine powder	200#-0	≥98.3	<=0.6	<=0.14	<=0.25	<=0.03

Aplication
 For Free grinding, such as glass industry. 
 For Friction products and abrasion resistance ground.
 For Resin bonded abrasive and coated abrasive products.
 For Refractory material, Wear-resistant and fire-proof products.
 For Grinding stone, sand paper, sand cloth, sand belt.
 For Coated abrasives sand paper and Sandblasting/ Wet and dry blasting.
 For Producing mold of precision casting and Grinding, lapping and polishing media.

Comparison Table of Core Parameters Between White Fused Alumina (WA) and Brown Fused Alumina (A)

Comparison Dimension	White Fused Alumina (WA)	Brown Fused Alumina (A)
Raw Materials	High-purity alumina powder and a small amount of auxiliary materials	Bauxite, iron filings, coke
Main Chemical Composition	Al2O3 ≥ 99%, containing trace amounts of Na2O, Fe2O3 and SiO2	Al2O3 85%~97%, containing relatively high levels of TiO2 and Fe2O3
Production Process	High-temperature fusion reduction at above 2000ºC in an electric arc furnace	High-temperature fusion, crystallization and cooling in an electric arc furnace
Physical Properties	High purity, high hardness, sharp edges, good self-sharpening property and extremely high refractoriness	Good toughness, strong impact resistance and low cost
Color and Appearance	White or slightly off-white with complete particle crystal form	Brown or dark brown with mostly acicular and flaky particles
Main Application Fields	1. Manufacturing of precision abrasive tools (e.g. grinding wheels, abrasive paper)   2. Precision sandblasting, polishing and water jet cutting   3. High-grade refractory materials and ceramic raw materials   4. Additive for metallurgical steelmaking	1. Manufacturing of general abrasive tools, grinding and polishing   2. Sandblasting derusting of steel structures and workpiece surface treatment   3. Refractory materials and foundry sand   4. Aggregate reinforcement for cement concrete
Applicable Scenario Features	Suitable for processing scenarios with high requirements for precision and surface finish	Suitable for rough processing scenarios that are cost-sensitive and focus on impact resistance

 

White Fused Alumina (WA) - Particle Size vs. Specific Application Scenarios Table

Particle Size Type	Common Size Specifications	Core Application Scenarios	Application Characteristics
Coarse Grit	8#, 10#, 12#, 14#, 16#, 18#, 20#	1. Heavy-duty sandblasting derusting (surface cleaning of steel structures and ship hulls)   2. Water jet cutting of thick plates (metals, stone materials, composite materials)   3. Coarse sand treatment for casting molds	Strong cutting force and high efficiency, suitable for rapid removal of thick oxide layers, impurities or cutting large-thickness materials
Medium Grit	24#, 30#, 36#, 40#, 46#, 54#, 60#	1. Sandblasting grinding and deburring of general metal workpieces   2. Production of general-purpose grinding wheels and segmental grinding wheels   3. Deoxidizer for metallurgical steelmaking and facing sand for casting	Balances cutting force and surface flatness, suitable for most conventional grinding and surface treatment needs
Fine Grit	70#, 80#, 90#, 100#, 120#, 150#, 180#, 220#	1. Sandblasting polishing of precision hardware parts   2. Production of precision grinding wheels, abrasive paper and abrasive belts   3. Aggregate for high-grade refractory materials and additive for ceramic blanks	High surface finish after grinding, less prone to scratches, suitable for processing requiring precision
Ultra-fine Grit	240#,280#,320#,400#,500#,600#,800#,1000#,1200#,1500#,2000#,W20, W14, W10, W7, W5, W3.5, W2.5	1. Mirror polishing of optical instruments and precision molds   2. Fine grinding of electronic components (semiconductors, chip carriers)   3. Core raw material for grinding paste and polishing liquid	Uniform particle size, extremely high grinding precision, enabling micron-level surface processing

 

Detailed Photos

 

Product Parameters

Abrasives grade

Sandblasting
Grit size: 8#,10#,12#,14#,16#,18#,20#, 22#,24#, 30#, 36#, 40#,46#, 54#, 60#,70#, 80#, 90#,100#, 120#, 150#, 180#, 220#.
Micropowder: 240#, 280#, 320#, 360#, 400#, 500#, 600#, 800#, 1000#, 1200#, 1500#,  2000#, 2500#, 3000#, 4000#

Bonded Abrasives
Grit size: F8,F10,F12,F14,F18, F20,F22,F24,F30,F36,F40,F46,F54,F60,F70,F80,F90,F100,F120,F150,F180,F220.
Micropowder: F240,F280,F320,F360,F400,F500,F600,F800,F1000,F1200,F1500,F2000,F2500,F3000,F4000.

Coated Abrasives
Grit size: P12,P16,P20,P24,P30,P36,P40,P50,P80,P100,P120,P150,P180,P220.
Micropowder: P240,P280,P320,P360,P400,P500,P600,P800,P1000,P1200,P1500,P2000,P2500.

Refractory Grains
Grit size:
1-0mm, 3-1mm, 5-3mm, 5-8mm, -200mesh, -240mesh, -320mesh,0-0.1mm,0.1-0.5mm,0.5-0.8mm.
    

Packaging & Shipping

1. 25KG P.P BAG+ 1MT JUMBO BAG
2. 25KG P.P BAG+ 1MT PALLET
3. 25KG PAPER BAG+ 1MT PALLET
4. According to customers' requirements
5. Free samples or Sample orders usually shipped by Express like FedEx/TNT

 

Company Profile

Dengfeng Ruite New Materials Co., Ltd., originally established in 1990as Dengfeng Liaoyuan Abrasive and Grinding Tool Factory, Ruite is a high-tech enterprise specializing in the research and development, production and processing as well as trade and export of abrasives, refractory materials. Processes over30000 tons of aluminum oxide annually to meet marketdemand. Service scope: Abrasive materials, grinding and polishing tools, sand blasting materials, refractory and metallurgical materials, precision casting and new materials research and production. With over 20 years of export experience.

Ruite has its own chemistry and physics laboratories, enabling effective control of product quality and production costs.

Company Size: Our factory covers an area of 8, 000 square meters, with a building area of 4, 000 square meters, employs more than 50 people, has 5 corundum production lines, and an annual output value of over 80 million RMB.

Ruite aluminum oxide sell well inGermany, Japan, Slovenia, South Korea, Turkiye, Singapore and othercountries.

Our company products perform standard GB (GB), the ISO (international standards), the FEPA (European standard), JIS (Japan standards), as well as according to customer requirements.

Testing epuipment:
High Temperature RUL Tester
Bulk Density Tester
The Pressure Tester
Refractoriness Tester
Microscope
Turbidity
Magnetic material
Ball milling toughness

Our Advantages

1.With many years of export experiences and well-deserved reputation, we provide clients with stable product quality and professional technical advice.
2.OEM, ODM services and our own brand (RUITE) can be provided according to customers' requirements.
3. Management System Certification: ISO9001, CE, TUV, SGS.
4. Products with different grades and sizes can meet different market users' demand for different product quality and prices.
5. We guarantee that our products are good quality with competitive prices, and delivery in time.
6. Technical research and development strength: The company's employees have the relevant discipline background of abrasive grains and superhard materials, and know more about abrasives and grinding. They would like to provide better services for customers to meet their different needs. What's more, the company invites senior research experts from Zhengzhou Research Institute for Abrasives & Grinding Co., Ltd. and Henan University of Technology as product consultants, which can help to achieve in-depth product technical cooperation with customers and better matching demands, combined with China's industrial advantages.

Our Services:
 
1. Your inquiries will be replied in 24 working hours;
2. Free samples offered in certain quantity and delivered within 10 days;
3. PL, INV, MSDS and C.O. or other information you need can be provided at the top speed;
4. Any questions about products and technology will be answered sincerely and professionally.
5. Related products sourcing services.

FAQ

Q1: Can you offer free samples?
A: Yes, free samples can be offered in certain quantity, but big samples and special products with charge.
 
Q2: Can I have a sample order for your products?
A: Yes, we welcome sample orders to test and check the quality.
 
Q3: What is your delivery time?
A: Sample order: Usually within 7 working days
Mass order: Within 25 days after 30% deposit received for conventional products. Negotiation for special products.
 
Q4: What is your payment terms?
A: T/T, D/P, L/C and so on.
 
Q5: Do you offer customized products according to customer's requirements?
A: Yes, OEM, ODM services and our own brand (RUITE) are provided according to customers' requirements.
  
Q6: Are all your products on the website?
A: Not all the products on the websites. For some related products or the sizes that are not included on the website, please make an inquiry separately to our emails or any social media.