Anti Acid Bricks are engineered from high-purity materials such as silica, alumina, and acid-resistant binders, offering excellent chemical resistance, high mechanical strength, and thermal stability. These bricks are designed to withstand acidic and corrosive environments, making them perfect for applications in the chemical, petrochemical, and metallurgical industries. Their low porosity and high density ensure durability and efficiency in demanding conditions.
Product Parameters
Item |
Unit |
Index |
Bulk density |
g/cm2 |
2.31-2.4 |
Water absorption |
% |
<0.5 |
Acid resistance |
% |
99.8 |
Flexural strength |
Mpa |
42 |
Crushing stength |
Mpa |
120 |
Thermal stability |
130°c-20°c |
No crackle after 3 times |
SiO2 |
Al2O3 |
K2O |
Na2O |
CaO |
MgO |
Fe2O3 |
69.8 |
22.5 |
2.7 |
0.95 |
0.82 |
0.82 |
0.49 |
Product Usage:
Anti-Acid Bricks are widely used in industries requiring resistance to acidic and corrosive environments, including:
- Chemical Industry: Linings for acid storage tanks, reactors, and pipelines.
- Petrochemical Industry: Furnaces, incinerators, and scrubbers.
- Metallurgical Industry: Smelting furnaces and refining equipment.
- Waste Treatment: Acid-resistant linings for waste treatment plants.
- Food Processing: Acid-resistant floors and walls in food processing facilities.
Product Advantages
- High Compressive Strength: Typically reaching up to 100 MPa, ensuring robustness in structural applications.
- Chemical Resistance: Excellent resistance to acids like sulfuric acid, making them ideal for lining in chemical plants
Product technology:
The production of Anti-Acid Bricks involves advanced technology and precision engineering:

Key steps include:
Raw Material Selection: High-purity silica, alumina, and acid-resistant binders are chosen for their chemical and thermal properties.
Mixing and Molding: The materials are blended with binders and molded into bricks using high-pressure pressing techniques.
High-Temperature Firing: Bricks are fired at extreme temperatures to enhance density, strength, and chemical resistance.
Surface Finishing: Smooth surfaces are achieved to minimize contamination and improve installation efficiency.
Why Choose Us?
- 23+ years experience focus on refractories field
- 2 plants with 3 sets of tunnel kilns for 120,000 tonnes capacity
- 3 QC Labs Technology Centres
- 120+ employees with ISO9001,TUV,SGS,Intertek certifications
- 100+abroad customers in 50+ countries
- 20+ major industry furnace projects yearly
- OEM service are available with
- RHI,CALDERYS,INTOCAST,REFRATECHNIK,VESUVIUS etc
Packing
Anti Acid Bricks are packaged in robust, sea-worthy containers to ensure safe transportation and delivery. Each brick is carefully wrapped to prevent damage during transit

FAQ
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