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Aluminosilicate bricks

Alkali-resistant brick

Alkali-resistant refractory brick for discussion of alkali-exposed kiln sections. Material selection follows the actual process and lining conditions.

Alkali-resistant brick
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At a glance

Application

Cement preheaters, calciners and kiln-inlet systems, subject to operating conditions.

Options

Standard and high-strength catalogue variants

Selection key

Provide fuel and raw-meal chemistry, deposits and corrosion history; confirm the test method used for alkali resistance.

Interested in this material?

Ask about product options or share your requirement. Drawings and complete specifications are optional at the first contact.

GRADE DATA

Technical specification

Catalogue reference

Reference values for initial comparison. Confirm the selected grade and test methods for an order. Refractoriness and RUL are not continuous service-temperature ratings.

PropertyStandardHigh-strength
Al₂O₃ (%)25–3025–30
SiO₂ (%)60–6560–65
RUL at 0.2 MPa (°C)≥1300≥1400
Bulk density (g/cm³)≥2.10≥2.20
Apparent porosity (%)≤20≤20
Cold crushing strength (MPa)≥40≥60
Alkali-resistant brick — Manufacturer technical data sheet
Manufacturer data sheet — catalogue reference values; the approved data sheet governs.
Parameters to include in your specification
  • Chemical composition and impurity limits
  • Bulk density, apparent porosity and cold crushing strength
  • Refractoriness under load: load, endpoint and method
  • Permanent linear change: temperature and holding time
  • Dimensions, tolerances and joint design
How to read refractory data →

DOCUMENTS & DELIVERY

Discuss packing, documents & delivery

Prepare the delivery

Confirm shape drawings, dimensional tolerances, brick quantities and pallet marking. Keep the material dry and follow the agreed storage and installation instructions.

Agree the document set

Approved grade data, safety information, drawing revision, inspection records and batch identification as required by the order.

Related materials & systems

High-alumina brick — 75 grade
RTGL-75

High-alumina brick — 75 grade

Aluminosilicate bricks

Furnace walls and arches; hot-blast and high-temperature equipment, subject to zone design.

Al₂O₃ (%)
≥75
Refractoriness (°C)
≥1790
RUL at 0.2 MPa (°C)
≥1520

Catalogue reference values

Refractory castables — Product illustrationProduct illustration

Refractory castables

Monolithics & jointing materials

Kiln hoods, coolers, ducts, furnace linings and local repairs.

Tell us your application to discuss product options.