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Flame-Retardant & Inorganic Functional Materials

This series focuses on antimony-based flame-retardant functional materials, covering four product grades: colloidal antimony pentoxide, antimony pentoxide powder, sodium antimonate and sodium pyroantimonate. They find broad application in flame-retardant plastics, engineering resins, textile coatings, rubber and composite materials.

 

The comparison below outlines core characteristics, typical applications and key selection indicators to support procurement decisions.

 

Product Form Key Characteristics Typical Applications Critical Selection Parameters
Colloidal antimony pentoxide Nanoscale dispersed particles; high synergistic efficiency with halogen-based flame retardants at low loading levels High-end flame-retardant coatings, thin films, fine-denier fibres Solids content, pH value, colloidal particle size (D50), viscosity and system compatibility
Antimony pentoxide powder High-purity oxide powder; self-dispersible or amenable to further processing Engineering plastics, rubber, flame-retardant masterbatches Purity Sb2O5 content), particlesize distribution (D50), whiteness and impurity control
Sodium antimonate / Sodium pyroantimonate Inorganic antimonate salts with outstanding thermal stability and good compatibility with multiple polymers Polyester, engineering plastics, glass-ceramic flame-retardant systems Main-component content, free alkali / free acid, moisture content and bulk density

 

We assist customers in identifying the optimal product grade according to their formulation and processing conditions (e.g. extrusion temperature, dispersion method, carrier resin). Samples and basic formulation suggestions are offered to minimise trial-and-error costs.

 

 

 

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