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Unshaped Refractories / Refractory Mortars

70% Al₂O₃ Mortar Refractory Mortars

70% Al₂O₃ Mortar is the 68-72% Al₂O₃ grade in Shanker Agencies’ refractory mortars range, rated for continuous service to 1700°C.

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70% Al₂O₃ Mortar grade refractory mortars supplied by Shanker Agencies
Grade
70% Al₂O₃ Mortar
Al₂O₃ content
68-72%
Max service temperature
1700°C
Bulk density
2.45 g/cc

70% Al₂O₃ Mortar technical specification

Typical values for 70% Al₂O₃ Mortar refractory mortars. Test methods vary by property and product family, so confirm the applicable standard against the manufacturer datasheet before specifying.

Al₂O₃ content
68-72%
Bulk density
2.45 g/cc
Application
High alumina 70% bricks
Max service temperature
1700°C

Where 70% Al₂O₃ 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 70% Al₂O₃ Mortar right for your application?

  • Rated for continuous service up to 1700°C.
Compare 70% Al₂O₃ Mortar with other grades▾

Compare 70% Al₂O₃ Mortar against every grade SAPL stocks in this family.

Swipe to compare grades

GradeAl₂O₃ contentBulk densityApplicationMax service temperature
Fireclay Mortar30-42%1.85 g/ccFireclay brick jointing1400°C
50% Al₂O₃ Mortar50-55%2.20 g/ccMid-range alumina bricks1600°C
70% Al₂O₃ Mortarthis grade68-72%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 Mortar80% Al₂O₃ Mortar →

Send the drawing, dimensions, application and quantity for 70% Al₂O₃ Mortar refractory mortars. Our technical team reviews the requirement and advises on grade and fulfilment route.

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Grade designations & equivalents▾

How 70% Al₂O₃ Mortar is referenced across Indian and export naming conventions.

SAPL grade code70% Al₂O₃ Mortar
Alumina content68-72% Al₂O₃
Max service temperature1700°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.