Description

Phosphoric Acid, Aluminum Zinc Salt is a specialized inorganic compound with the CAS registry number 35585-57-0. This material serves as a highly effective corrosion inhibitor and flame retardant synergist in various industrial formulations. It is essential for manufacturers seeking to enhance the durability and safety performance of their products. Key industries that utilize this compound include polymers, coatings, and construction materials.

Application

• Polymer Stabilizer & Flame Retardant: Acts as a synergistic agent in halogen-free flame retardant systems for engineering plastics, PVC, and polyolefins.
• Corrosion Inhibiting Pigment: Used in the formulation of anti-corrosive primers and coatings for metal substrates, including steel and aluminum.
• Ceramic & Glass Processing: Functions as a flux and modifier to influence melting behavior and final material properties.
• Adhesive & Sealant Additive: Imparts improved fire resistance and thermal stability to high-performance adhesives and construction sealants.
• Wood Treatment: Employed in fire-retardant treatments for lumber and composite wood products.
• Textile Finishing: Used to create flame-retardant finishes for technical textiles and protective fabrics.

Basic Information

Product Name	Phosphoric Acid, Aluminum Zinc Salt
CAS No.	35585-57-0
Molecular Formula	AlH3O12P3Zn (Typical representation; exact stoichiometry may vary)
Molecular Weight	Contact for details
Synonyms	Aluminum Zinc Phosphate; Zinc Aluminum Phosphate; Aluminum Zinc Orthophosphate; Flame Retardant APZ; Corrosion Inhibitor AZP; Phosphoric Acid, Aluminum Zinc Salt; Zinc Aluminium Phosphate; Anticorrosive Pigment AZP
EINECS	Contact for details

Quality Control

Our Phosphoric Acid, Aluminum Zinc Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance as a flame retardant and corrosion inhibitor. Certificates of Analysis (COA) detailing key parameters such as metal content, phosphate content, and particle size distribution are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as Al2O3 + ZnO + P2O5)	≥ 98.0 %
Particle Size (D50)	< 10 μm
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.