Liquid Aluminum Dihydrogen Phosphate (ADP) is a high‑purity inorganic phosphate binder designed for refractory materials, alumina ceramics, and high‑temperature industrial applications. This colorless to pale‑yellow viscous liquid reacts with refractory aggregates to form a dense, phosphate‑bonded structure that delivers exceptional mechanical strength, thermal stability, and chemical resistance.
ADP develops strong initial
Sherlock Chemical
Al(H2PO4)3
13530-50-2
236-875-2
1.44~1.47g/cm³
Soluble in water.
Colorless to slightly yellow viscous liquid
Industry grade
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Product Overview
Liquid Aluminum Dihydrogen Phosphate (ADP) is a high‑purity inorganic phosphate binder engineered for refractory materials, alumina foam ceramics, and high‑temperature industrial applications. This colorless to pale‑yellow viscous liquid reacts strongly with refractory aggregates, forming a dense, phosphate‑bonded structure with exceptional mechanical strength, thermal stability, and chemical resistance.
During the curing process, ADP develops rapid initial bonding at 90–110°C, creating a stable network that firmly anchors ceramic and refractory particles. When further heat‑treated at 350–500°C, the phosphate structure undergoes condensation and polymerization, significantly enhancing high‑temperature strength, thermal shock resistance, and long‑term durability. Once fully cured, ADP‑bonded materials can operate reliably at temperatures above 1000°C, making it an ideal binder for kiln linings, castables, ramming mixes, porous ceramics, and protective high‑temperature coatings.
Designed for industries that demand strong adhesion, high thermal endurance, and superior chemical stability, ADP provides consistent performance across a wide range of advanced material systems.
Key Features & Advantages
· Rapid curing at low temperature (90–110°C)
· Strong chemical bonding with alumina, silica, zirconia, and corundum aggregates
· High bending and compressive strength after heat treatment
· Excellent water resistance with no softening after soaking or boiling
· Superior thermal shock resistance and chemical stability
· High resistance to alkali attack, slag corrosion, and thermal cycling
· Non-toxic, odorless, and environmentally friendly
· Easy application: mixing, pumping, brushing, or spraying
Typical Applications
· Ramming mixes and castable refractory binders
· Gunning and shotcrete refractory materials
· High-temperature repair mortars
· Kiln lining adhesives and sealing compounds
· Ceramic fiber boards, blankets, and insulation modules
· Electric furnaces, heat-treatment kilns, and metallurgical equipment
· Corundum-based refractory bricks and gasifier linings
Technical Specification
Appearance | Colorless to pale yellow viscous liquid |
P₂O₅ Content (%) | 33 ± 1 |
Al₂O₃ Content (%) | 8.0 ± 0.5 |
Iron (Fe₂O₃) (%) | ≤ 0.01 |
Relative Density (25℃) | 1.15 – 1.63 |
pH Value | 1.4 – 2.6 |
Solubility | Completely soluble in water |
Packaging & Storage
Packaging Options:
• 200 kg plastic drums
• 1000 L IBC tanks
Storage Conditions:
• Store sealed in a cool, dry, and well-ventilated area
• Avoid freezing, contamination, and prolonged sunlight exposure
• Shelf life: 12–24 months under proper storage conditions
Quality Assurance & Documentation
Each shipment can be supplied with Certificate of Analysis (COA), Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and batch traceability records. Technical support is available for formulation and application guidance.
Disclaimer
The information provided is for reference only. Actual performance may vary depending on formulation, curing conditions, and operating environment. Users are advised to conduct appropriate trials.
Contact & Inquiry
For pricing, samples, or technical support, please contact Sherlock Chemical.
