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Highly effective condensed-phase flame retardant based on polyphosphoric acid chemistry.
Enables excellent char formation and thermal stability in polymer matrices during combustion.
Low volatility and high phosphorus content (≥75% P₂O₅ equivalent) for efficient flame suppression.
Compatible with engineering thermoplastics including polyesters, polyamides, and polyolefin blends.
Non-halogenated formulation supporting regulatory compliance and sustainable material design.
Flame-retardant polybutylene terephthalate (PBT) for automotive connectors and E&E housings.
Enhanced fire performance in glass-fiber-reinforced polyamide 6 and PA66 compounds.
Intumescent systems for rigid polyurethane foams used in building insulation.
Flame-retardant masterbatches for injection-molded consumer electronics components.
| Chemical Type | Polyphosphoric acid (PPA), mixture of ortho-, pyro-, and metaphosphoric acids |
| Product Form | Viscous liquid |
| Appearance | Colorless to pale yellow, clear to slightly hazy liquid |
| Phosphorus Content (as P₂O₅) | ≥75.0 wt% |
| Acidity (as H₃PO₄) | ≥84.0 wt% |
| Density (20°C) | ~1.80–1.90 g/cm³ |
| Viscosity (25°C) | 1,500–3,000 mPa·s |
| Primary Applications | Condensed-phase flame retardant for thermoplastics and intumescent coatings |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
