Specialist in phosphate and water treatment products
Sep 08, 2026

How to Use Solid Aluminum Dihydrogen Phosphate

Industry News
ella@cnycchem.com

How to use solid aluminum dihydrogen phosphate:
1. As a coating base
Steps: Mix solid aluminum dihydrogen phosphate with an appropriate solvent (like water or alcohol) to make a slurry or coating. Add other ingredients (like fillers or binders) as needed to improve the coating’s performance.
Application: Apply it to metal or ceramic surfaces that need to resist high temperatures, such as boilers, heating furnaces, and kilns. It effectively enhances surface heat resistance and oxidation protection.
2. Refractory material
Steps: Mix solid aluminum dihydrogen phosphate with refractory materials (like bauxite or silica), then form refractory bricks or coatings through high-temperature sintering.
Application: Used in high-temperature environments like steelmaking, casting, or glass production, as lining, furnace bottoms, or protective material for high-temperature equipment.
3. Surface treatment
Steps: Dissolve solid aluminum dihydrogen phosphate in water or alcohol to make a dipping solution, then soak metals or other materials in it to form a high-temperature protective layer.
Application: Used for metal surface treatment, especially aluminum and its alloys, to improve corrosion resistance and heat endurance.

4. High-Temperature Coatings
Steps: Mix solid aluminum dihydrogen phosphate with resin, solvents, and additives (like plasticizers, stabilizers, etc.) to form the coating.
Notes:
Application: Used to protect equipment in high-temperature environments, such as coating electrical equipment, heat exchangers, petrochemical devices, and other high-temperature parts, enhancing heat resistance and oxidation resistance.
Mixing Ratio: The amount of solid aluminum dihydrogen phosphate should be adjusted based on different application areas and required performance; too much or too little will affect the final result.
Safe Use: Solid aluminum dihydrogen phosphate is a chemical, so you need to wear proper protective gear like gloves and goggles to avoid direct contact with skin or eyes.
Storage: Should be kept in a dry, well-ventilated place, away from moisture, because aluminum dihydrogen phosphate can change when exposed to water.
Solid aluminum dihydrogen phosphate has wide demand in various high-temperature environments, especially in high-temperature coatings and refractory materials. The usage method can vary depending on the actual needs.

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