Established 1979 ISO 9001:2015 Certified Wankaner, Gujarat, India
+91 99746 66341
[email protected] Language
English हिन्दी (Hindi) ગુજરાતી (Gujarati) العربية (Arabic) Español (Spanish) Français (French) Português (Portuguese) Русский (Russian)
Home / Products / Alumina Bricks
Alumina Bricks
Ten brick families from 22% to 96% Al₂O₃, pressed and fired in our tunnel kilns. Standard sizes, arches and special shapes to your drawings.
For international buyers
CWN SK Series: SK-32 to SK-38
Our range graded to the internationally recognised SK (Seger cone) classification, for overseas specifications. Full properties on the page; detailed datasheet on request.
All
Alumino-silicate
Special alumina
Application-specific
Showing 10 of 10 families
Alumino-silicate 01
Fireclay Bricks
22–48% Al₂O₃
Economical workhorse bricks with good resistance to thermal spalling. Available in standard, arch and custom shapes.
Typical applications Backup linings, boilers, kilns, chimneys, reheating furnaces
View grades and photos
Alumino-silicate 02
High Alumina Bricks
48–96% Al₂O₃
Graded in steps up to 96% alumina. Refractoriness, hot strength and slag resistance rise with alumina content.
Typical applications Ladles, rotary kilns, stoves, aluminium and glass furnaces
View grades and photos
Alumino-silicate 03
Mullite Bricks
Mullite-bonded
Mullite-rich structure giving low creep under load and excellent thermal shock resistance.
Typical applications Hot blast stoves, glass crowns and regenerators, ceramic kilns
View grades and photos
Alumino-silicate 04
Corundum Bricks
Corundum phase
Very high-purity alumina for maximum hot strength and chemical inertness.
Typical applications Petrochemical reactors, gasifiers, high-temperature kilns
View grades and photos
Special alumina 05
Alumina-Zirconia Bricks
Al₂O₃ + ZrO₂
Zirconia addition improves corrosion and thermal shock resistance over plain high alumina.
Typical applications Glass furnaces, incinerators, steel ladle wear zones
View grades and photos
Special alumina 06
AZS Bricks
Al₂O₃–ZrO₂–SiO₂
Alumina-zirconia-silica system engineered for resistance to molten glass corrosion.
Typical applications Glass tank sidewalls, throats, feeders and superstructure
View grades and photos
Special alumina 07
Alumina-SiC Bricks (Chemical Bonded)
Unfired · Al₂O₃ + SiC
Chemically bonded, unfired bricks with high abrasion and alkali resistance.
Typical applications Torpedo ladles, hot-metal ladles, cement coolers
View grades and photos
Special alumina 08
Alumina-SiC Bricks (Fired)
Fired · Al₂O₃ + SiC
Silicon carbide raises thermal conductivity, abrasion resistance and thermal shock life.
Typical applications Cement kiln inlet and cooler, CFBC boilers, blast furnaces
View grades and photos
Application-specific 09
Hearth Bricks
Dense high alumina
Dense, low-porosity bricks for load-bearing hearths that resist abrasion and scale attack.
Typical applications Reheating furnace hearths, soaking pits, forging furnaces
View grades and photos
Application-specific 10
Acid Resistant Bricks
Low porosity
Dense vitrified bricks with low water absorption for resistance to acids and chemicals.
Typical applications Chemical plants, pickling tanks, flue ducts, chimneys
View grades and photos
Need a special shape or grade?
Send your drawing. We tool and press custom shapes, arches and blocks, and grade-match the mortar.
Send a Drawing
Shapes & finished goods
Tongue & groove and special shapes Checker bricks Pouring sets and sleeves Palletised for dispatch
Specify your next lining with confidence.
Share your furnace, kiln or vessel details. Our technical team will recommend the right grade and send the datasheet.
Alumina bricks, monolithics and speciality refractories, manufactured in Wankaner, Gujarat since 1979.
Works & Office
Crown Ceramics
+91 99746 66341[email protected]
© 2026 Crown Ceramics. All rights reserved.
