Established 1979ISO 9001:2015 CertifiedWankaner, Gujarat, India
Al₂O₃ range48–96%
Standard sizes230×115×65 · 200×150×75 mm
ShapesStandard, arch, wedge and to drawing
MarkingCrown stencil on every brick
Traceable on site
Every brick marked with grade and batch.
Each brick end is stencilled with the Crown mark, the grade, the batch code and the size, so your team can confirm the right grade goes into the right zone of the lining.
GRADECWN-70.20
BATCH CODE27C26
SIZE230 × 115 × 65 mm
Typical applications
Where high alumina works
Ladles, rotary kilns, hot blast stoves, and aluminium and glass furnaces.
Grades & datasheets
Full grade list on request
Tell us the application and operating temperature. Our technical team will recommend the grade and share the datasheet.
Request DatasheetSpecify 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
8/A, National Highway, Near Hasanpar Railway Crossing, Wankaner, Dist. Rajkot, Gujarat 363622, India
+91 99746 66341
[email protected]
© 2026 Crown Ceramics. All rights reserved.