ZRETE Aluminate-Based Inorganic Injection Grout is a high-performance, acid- and alkali-resistant cementitious grout designed for long-lasting protection in harsh environments.
Product Introduction
ZRETE’s Aluminate-Based Inorganic Injection Grout is specially designed for demanding infrastructure projects requiring both high chemical durability and structural performance. Developed with the support of a national-level inorganic materials laboratory, this grout has passed 24-hour exposure tests in 5% sulfuric acid and 48-hour corrosion resistance tests in 10% lactic acid, 10% citric acid, and 10% acetic acid — showing no peeling, no cracking, and outstanding durability。
Its excellent bonding capacity with concrete, steel, and PE liner substrates, combined with its rapid strength development and dimensional stability, makes it a go-to choice for trenchless sewer rehabilitation, wastewater treatment systems, marine environments, and anti-corrosion structural grouting. It also meets long-term durability requirements for both dry and submerged conditions.
Product Parameters
Test ltem | Performance |
| Initial Setting Time | ≥ 120 minutes |
| Final Setting Time | ≤ 360 minutes |
| Compressive Strength | ≥ 25 MPa (1 day), ≥ 65 MPa (28 days) |
| Flexural Strength | ≥ 3.5 MPa (1 day), ≥ 9.5 MPa (28 days) |
| Static Elastic Modulus | ≥ 30 MPa (28 days) |
| Bond Strength | ≥ 1.2 MPa (to concrete & PE liners) |
| Impermeability | ≥ 1.5 MPa |
| Dry Shrinkage | ≤ 0.1% |
| Acid Resistance | No peeling or cracking after: 24h in 5% H₂SO₄; 48h in 10% lactic, citric & acetic acid |
Product Usage
Trenchless rehabilitation of drainage and sewer pipelines
Anti-corrosion repairs in wastewater and chemical treatment facilities
Grouting and lining repairs for PE-liner integrated concrete structures
Marine or coastal infrastructure exposed to sulfate or acid attack
High-durability repairs in underground concrete components
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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