Xintai’s Silica-Based Acid Resistant Bricks are manufactured using high-purity silica raw materials, ensuring superior resistance to strong acidic corrosion and high-temperature environments. With silica content exceeding 90%, these bricks offer excellent chemical inertness, making them ideal for industries where aggressive acid exposure and thermal stress are common.
Technical Specifications
Property | Value |
---|---|
SiO₂ Content | ≥ 90% |
Operating Temperature | Up to 1400°C |
Bulk Density | 2.2–2.4 g/cm³ |
Cold Crushing Strength | ≥ 40 MPa |
Water Absorption | ≤ 0.5% |
Key Features
High Silica Content (≥90%) for outstanding acid and chemical resistance
Excellent Thermal Stability with operating temperatures up to 1400°C
Low Porosity and Water Absorption for reduced acid penetration and longer service life
Superior Mechanical Strength suitable for harsh industrial environments
Precision Manufacturing ensures dimensional accuracy and ease of installation
Typical Applications
Flue gas ducts and chimneys in power plants and chemical plants
Sulfuric acid manufacturing and processing equipment
Acidic reaction vessels and pickling tanks
High-temperature chemical reactors and industrial furnaces
Production Details
Xintai’s Silica-Based Acid Resistant Bricks are produced using premium high-purity silica raw materials. The production process includes meticulous raw material selection, fine grinding, and shaping via high-pressure molding. Bricks are fired in high-temperature tunnel kilns reaching up to 1600°C to ensure optimal densification and formation of a robust microstructure.



Packing and Shipping Details
Packaging: Bricks are securely packed on sturdy wooden pallets, wrapped with plastic film to protect against moisture and damage during transit.
Custom Packaging: Available upon request, including fumigation and seaworthy packing for international shipments.
Shipping: We support global shipping via sea, air, or land transport. Xintai coordinates logistics to ensure timely and safe delivery to your site.



Frequently Asked Questions (FAQ)
Q1: What acids are these bricks resistant to?
These bricks are highly resistant to strong mineral acids like sulfuric acid, hydrochloric acid, and nitric acid.
Q2: What is the maximum operating temperature?
They can withstand continuous operating temperatures up to 1400°C.
Q3. Can I get custom sizes or shapes?
Yes, Xintai offers customized brick sizes and shapes to meet specific project requirements.
Q4: What industries commonly use silica-based acid resistant bricks?
They are widely used in power plants, chemical manufacturing, sulfuric acid production, and high-temperature acidic environments.
Q5: How do you ensure product quality?
Each batch undergoes rigorous quality inspections including strength tests, porosity measurement, and acid resistance testing.