Clariant Exolit AP 423 is a crystalline-modified ammonium polyphosphate powder Flame Retardants featuring advanced microencapsulation technology. This white, non-hygroscopic powder demonstrates exceptional water resistance while maintaining perfect compatibility with acid-sensitive formulation components. The specially engineered particle structure activates precisely at fire temperatures to create robust carbon foam barriers for superior fire protection.
Non-Migrating Formula - Maintains long-term flame retardant performance
Excellent Aging Resistance - Prolongs product service life
High Efficiency - Low loading requirements for effective protection
Process-Friendly - Medium viscosity for easy handling and mixing
Versatile Compatibility - Works with various PU formulations
Flexible PU Foams - Furniture and mattress production
Rigid PU Foams - Insulation panels for construction
Automotive Seating - Flame-retardant car seat foams
Acoustic Insulation - Soundproofing foam materials
Packaging Materials - Protective foam packaging
| Physical Form | Yellow turbid liquid |
| Phosphorus Content | 16-18% |
| Density | 1.31 g/cm³ at 25°C |
| Viscosity | ≤3,500 mPa·s |
| Acid Value | ≤2 mg KOH/g |
| Hydroxyl Value | ≤170 mg KOH/g |
| Packaging | 1kg/130kg/1000kg |
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