Acid Proof Brick

Acid Proof Brick

Acid Proof Brick


Fire-resistant and acid-resistant bricks are the main refractory materials used in acid regeneration roasting furnaces such as cold-rolled sheets and silicon steel wires in the steel-making system.

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Product detail

Acid Proof Brick

Color:Red or white

Application:Coke oven, etc

Size:230*114*65mm

Capacity:1000 tons per month

Composition:Al2O3+SiO2

Raw Material:Quartz, feldspar, clay

Acid Resistance:At least 98%

Package:Export wooden pallets and polyboard

Product Introduction

Fire-resistant and acid-resistant bricks are the main refractory materials used in acid regeneration roasting furnaces such as cold-rolled sheets and silicon steel wires in the steel-making system. Their performance directly affect the service life and economic benefits of the acid regeneration furnace.

Features

1. Anti-corrosion by acids, alkalis, oxidants and solvents.

2. Good resistance to mechanical and physical shocks.

3. Cost-efficient.

Application

Fire-resistant and acid-resistant bricks are mainly used in acid regeneration roasting furnaces ,coke oven, and other kilns for smelting industry.

Product Parameters

Item         Fire-resistant and Acid-resistant Brick
Al-28 Al-30 Al-35 Al-40
Al2O3(%) >=28 >=30 >=35 >=40
Bulk Density (g/cm3) 2.0-2.1 2.05-2.15 2.10-2.15 2.15-2.25
Cold Crushing Strength (MPa) >=30 >=30 >=35 >=35
Refractoriness Under Load  (0.2MPa) ℃ 1300 1350 1370 1420
Refractoriness  (℃) >=1700 >=1700 >=1770 >=1790
Acid Resistance (%) >=98 >=98 >=98 >=98
Apparent Porosity (%) <=20 <=20 <=21 <=21

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