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Unshaped Refractories / Refractory Mortars

Fireclay Mortar Refractory Mortars

Fireclay Mortar is the 30-42% Al₂O₃ grade in Shanker Agencies’ refractory mortars range, rated for continuous service to 1400°C.

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Fireclay Mortar grade refractory mortars supplied by Shanker Agencies
Grade
Fireclay Mortar
Al₂O₃ content
30-42%
Max service temperature
1400°C
Bulk density
1.85 g/cc

Fireclay Mortar technical specification

Typical values for Fireclay Mortar refractory mortars. Test methods vary by property and product family, so confirm the applicable standard against the manufacturer datasheet before specifying.

Al₂O₃ content
30-42%
Bulk density
1.85 g/cc
Application
Fireclay brick jointing
Max service temperature
1400°C

Where Fireclay Mortar is used

Brick jointing and bedding for refractory liningsSurface finishing of cast or rammed refractory shapesExpansion joint filling in long brick coursesHot-face patching of small eroded areasAnchor pocket filling around stainless steel anchorsBoiler refractory brick laying, water wall + roofAcid plant tile and brick lining (acid-proof grades)

Is Fireclay Mortar right for your application?

  • Rated for continuous service up to 1400°C.
Compare Fireclay Mortar with other grades▾

Compare Fireclay Mortar against every grade SAPL stocks in this family.

Swipe to compare grades

GradeAl₂O₃ contentBulk densityApplicationMax service temperature
Fireclay Mortarthis grade30-42%1.85 g/ccFireclay brick jointing1400°C
50% Al₂O₃ Mortar50-55%2.20 g/ccMid-range alumina bricks1600°C
70% Al₂O₃ Mortar68-72%2.45 g/ccHigh alumina 70% bricks1700°C
80% Al₂O₃ Mortar78-82%2.60 g/ccHigh alumina 80/90% bricks1750°C
Magnesia Mortar-2.70 g/ccMagnesia / MgO-C brick zones1700°C
Insulating Mortar40-50%1.10 g/ccIFB jointing1400°C
Acid-Proof Mortar-1.95 g/ccAcid-proof bricks / tiles500°C
50% Al₂O₃ Mortar →

Send the drawing, dimensions, application and quantity for Fireclay Mortar refractory mortars. Our technical team reviews the requirement and advises on grade and fulfilment route.

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Grade designations & equivalents▾

How Fireclay Mortar is referenced across Indian and export naming conventions.

SAPL grade codeFireclay Mortar
Alumina content30-42% Al₂O₃
Max service temperature1400°C

Installation notes

  1. 1Match the mortar chemistry to the brick, never use fireclay mortar with high alumina bricks above HA-70
  2. 2Mix dry powder with measured potable water (typically 22–30% by weight) until smooth
  3. 3Apply joint thickness of 1.5–3 mm using a steel trowel on bedding surface AND brick face
  4. 4Lay bricks within 10 minutes of mortar application before initial set
  5. 5Hammer-tap each brick into final position, never adjust after the mortar has stiffened
  6. 6Allow 24 hours air-set before any heat-up; first heat-up at 25°C/hour to 200°C with a 4-hour soak
  7. 7For acid-proof furan mortar: 7-day cure at 25°C before any chemical exposure

Disclaimer: values are typical and compiled by Shanker Agencies Pvt. Ltd. from standard industry data and published manufacturer specifications. They are indicative, not a guarantee. Confirm the exact grade datasheet before specifying. For a certified datasheet or quotation, contact info@shankeragencies.com or +91 98999 57888.