Sodium Pyroantimonate Antimony Flame Retardant Sodium Antimonate For Plastic Rubber PVC Cable

Sodium Pyroantimonate Antimony Flame Retardant Sodium Antimonate 

For Plastic Rubber PVC Cable

Product Name: Sodium Pyroantimonate

Other Names: Sodium Antimonate, Sodium Hexahydroxyantimonate

CAS Number: 12507-68-5

Molecular Formula: NaSb(OH)₆

Molecular Weight: 246.80HS

Appearance: White amorphous crystalline powder, odorless, tasteless, and with good flowability.

Physicochemical Properties

Melting Point: Approximately 1200℃

Thermal Stability: Not easily decomposed at high temperatures, excellent heat resistance

Solubility:

-Insoluble in cold water, dilute acids, dilute alkalis, and ethanol

-Soluble in concentrated sulfuric acid and tartaric acid solutions

Chemical Characteristics: Pentavalent antimony structure, low toxicity, environmentally friendly, good smoke suppression, compliant with RoHS environmental standards

Moisture Content: Conventional industrial grade low moisture content, not easily absorbs moisture and clumps

Main Applications

1. Glass Industry (Largest Area)

* Photovoltaic/Solar Glass: Clarification, defoaming, and increased light transmittance (≥0.5%)

* Display/Optical Glass: CRTs, LEDs, camera lenses; defoaming, color stabilization

* High-End Glass: Crystal, tableware, fiberglass; increased transparency, increased brightness, and reduced defects

2. Flame Retardant Synergists (Growth Area)

* Engineering Plastics/Rubber: PET, PC, PVC, epoxy resins; synergistic with halogen flame retardants to achieve UL94 V-0

* Electronics/Automotive: Housings, interior trim, wires; thermally stable, high-volatility, low-volatility, non-degradable substrates

* Textiles/Building Materials: Flame retardant finishing, fire-retardant coatings; smoke suppression and weather resistance

3. Enamel/Ceramics: 

Opacifiers, stabilizers; improve glaze uniformity and gloss

4. Others: 

Analytical reagents, catalyst carriers, special coating additives