Do you need any help? We are here to help!

Please contact us to provide you with satisfactory products and become a reliable supplier and service provider in the industry

Home page

Calcinated α-alumina powder

Classification :

Calcinated Α-Alumina Powder

+8617661815627

sales@da-materials.com

E-mail

PRODUCT DETAILS

Our DA series calcined α-Al₂O₃ micropowder is produced by calcining industrial aluminum hydroxide or industrial alumina at appropriate temperatures to form crystallographically stable α-alumina products. This micropowder is then manufactured through ball milling using the calcined α-alumina as raw material. Calcined alumina powder is commonly used in shaped refractories such as skid plates, three major components, and corundum bricks, or blended with activated alumina and silica fume for use in unshaped refractories.

When producing resin-bonded products with calcined alumina powder, its low moisture content facilitates uniform mixing and ensures high volume stability. When blended with activated alumina powder or silica fume for unshaped refractories, it forms a particle size distribution with finer powders to achieve densest packing. This reduces water addition and porosity, minimizes linear change rate, and enhances strength.

Specifications

name	Calcinated α-alumina powder
Appearance	White powder
purity	≥99.4%
SiO₂	≤0.02%
Fe₂O₃	≤0.02%
Na₂O	≤0.3%
α-Al₂O₃	≥94%
Micronized powder particle size (customizable)	200-3000 mesh
use	Refractory materials, abrasive ceramics, whitening of floor tiles

Packaging and shipping

Di'an New Materials has established a complete quality system and through full participation and full-process quality control, strictly follows the ISO9001 standards from raw materials, production, inspection, etc. The annual production capacity can reach 60,000 tons.

CUSTOMER VISIT

With stable quality, first-class service, and reasonable prices, we sincerely invite domestic and foreign merchants to visit the factory to negotiate favorable products.

Customer visit

APPLICATION AREAS

Application areas

FAQ

How can you control your quality?

For each production processing, have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested,

Are you a manufacture or trader?

We are truly a manufacturer, we not only can provide the high quality products with the best price, but also can offer the best pre-sale service and after-service.

Can I get free samples?

Yes, free samples 1-2 kg. Please advise your contact details. ( Like your company name, address, phone No. etc.) We will arrange sample immediately, you will get it within 5 days.

Why choose Di'an?

$Your order production will be under strict control to ensure the products quality Professional producing process and strict QC team Reasonable price Shipment on time We are experienced in refractory export. We already export refractories to Japan, Korea, India Netherlands, Bangladesh, Sri Lanka, Myanmar, Vietnam and so on.$

Your order production will be under strict control to ensure the products quality
Professional producing process and strict QC team
Reasonable price
Shipment on time

We are experienced in refractory export. We already export refractories to Japan, Korea, India Netherlands, Bangladesh, Sri Lanka, Myanmar, Vietnam and so on.

What's your payment terms?

30% deposit in advance, 70% balance to be paid against the B/L copy.

What's your delivery time?

Production time: 3-7 days after deposit payment received.

Calcinated Α-Alumina Powder

RELATED PRODUCTS

GET A FREE QUOTE