Description

Aluminum Polyphosphate CAS NO 82808-63-7 is an inorganic compound widely utilized for its flame-retardant and corrosion-inhibiting properties. This material is valued for its ability to form protective coatings and enhance the thermal stability of various composite materials. It serves as a critical functional additive for manufacturers in the plastics, coatings, and construction chemical industries seeking to improve product safety and durability.

Application

• As a flame retardant synergist and smoke suppressant in polymers, plastics, and rubber formulations.
• As an effective corrosion inhibitor in protective primers, paints, and anti-corrosion coatings for metals.
• In the formulation of intumescent fireproofing materials and sealants for the construction industry.
• As a component in ceramic glazes and specialty glass to modify thermal and chemical resistance.
• In the production of adhesives and sealants to enhance fire resistance and bonding performance.
• As a stabilizer and filler in certain composite materials and electrical insulation products.

Basic Information

Product Name	Aluminum Polyphosphate
CAS No.	82808-63-7
Molecular Formula	AlH2O9P3 (Approx. for common forms)
Molecular Weight	~317.94 g/mol (Approx.)
Synonyms	Aluminium Polyphosphate; Polyphosphoric Acids, Aluminum Salts; Aluminum Acid Polyphosphate; Aluminum Triphosphate (common trade name); ATP; Flame Retardant FR-ALP; Corrosion Inhibitor 82808-63-7; Aluminium Metaphosphate (related)
EINECS	Contact for details

Quality Control

Our Aluminum Polyphosphate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance as a flame retardant and corrosion inhibitor. Key parameters such as phosphate content, particle size distribution, and moisture levels are controlled. Certificates of Analysis (COA) documenting purity and physical specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and must be stored in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as Al2O3 & P2O5)	≥ 98.0%
Loss on Drying	≤ 2.0%
Particle Size (D50)	≤ 10 μm
pH (5% suspension)	5.0 - 7.0
Heavy Metals (as Pb)	≤ 20 ppm

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