Flame Retardants

Alumina Trihydrate

Basic Information

PropertyValue
Chemical NameAlumina Trihydrate (Aluminum Hydroxide)
Chemical FormulaAl(OH)₃
Molecular FormulaAlH₃O₃
Molecular Weight78.00 g/mol
CAS Number21645-51-2
IndustryMajor ApplicationsPurpose
Plastics & PolymersPVC, polyethylene (PE), polypropylene (PP), EVA, thermoset resinsFlame retardant, smoke suppressant, and mineral filler
Wire & CableCable insulation, jacketing compoundsHalogen-free flame retardant and smoke suppression
Construction MaterialsSolid surface materials, engineered stone, roofing, wall panels, sealantsFlame resistance, filler, and improved mechanical properties
Paints, Coatings & InksIndustrial coatings, architectural paints, powder coatingsFlame retardancy, pigment extender, and rheology control
PharmaceuticalsAntacid formulations, phosphate bindersActive pharmaceutical ingredient for acid neutralization and phosphate control
Chemical ManufacturingProduction of alumina (Al₂O₃), aluminum chemicals, catalystsChemical intermediate and alumina precursor
Rubber IndustryRubber compounds, conveyor belts, seals, gasketsReinforcing filler and flame-retardant additive
Adhesives & SealantsEpoxy, polyurethane, acrylic systemsFiller, viscosity control, and fire resistance
Paper IndustrySpecialty papers, paper coatingsFiller and coating pigment
Ceramics & RefractoriesTechnical ceramics, refractory productsRaw material for high-purity alumina production
Composite MaterialsArtificial marble, cultured stone, FRP compositesMechanical reinforcement and flame retardancy
ElectronicsElectrical insulation materials, encapsulation compoundsFlame-retardant filler and electrical insulation