Calcium oxide for aerated concrete

Product Features

This product, used in the production of autoclaved aerated concrete, provides effective calcium oxide for cement mixtures. Under hydrothermal conditions, it reacts with SiO2 and Al2O3 in siliceous materials to generate calcium silicate hydrate, a major source of strength in aerated bricks.

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Product introduction

Uses and Characteristics

This product is used in the production of autoclaved aerated concrete. It provides effective calcium oxide for cement mixtures, enabling it to react with SiO2 and Al2O3 in siliceous materials under hydrothermal conditions to generate hydrated calcium silicate, which is one of the main sources of strength in aerated bricks.

Physicochemical Properties

Advantages include high effective calcium oxide content, suitable slaking time, high slaking temperature, and good water absorption. The resulting aerated bricks are crack-free, do not collapse in the mold, have high strength, and are of stable quality.

Main Control Indicators

Item	Indicator
Calcium Oxide (as CaO)%≤ ₂	75.0
Slaking Time	10-15 minutes to reach the highest slaking temperature
Slaking Temperature ℃≥	90℃
Fineness (Residue on 200-mesh sieve)	12.0

Item	Indicator
Calcium Oxide (as CaO)%≤ ₂	80.0
Slaking Time	10-15 minutes to reach the highest slaking temperature
Slaking Temperature ℃≥	90℃
Fineness (Residue on 200-mesh sieve)	12.0

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