Name: Clariant Exolit AP 423 Flame Retardant
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Clariant Exolit AP 423 Flame Retardant

High-efficiency intumescent flame retardant based on ammonium polyphosphate (APP) with optimized particle size distribution.
Excellent thermal stability up to 280 °C, enabling compatibility with high-melt-processing polymers such as polypropylene and polyethylene.
Low water solubility and superior hydrolytic stability, ensuring long-term performance in humid environments and during processing.
Halogen-free and red phosphorus-free formulation, supporting compliance with RoHS, REACH, and UL 94 V-0/V-2 requirements.
Good dispersion in thermoplastic matrices without requiring surface treatment, facilitating efficient compounding and extrusion.

Typical Applications Of Clariant Exolit AP 423 Flame Retardant

Flame-retarded polypropylene (PP) for automotive interior components (e.g., dashboards, pillar trims).
Wire and cable jacketing compounds based on polyolefin blends requiring low smoke and halogen-free solutions.
Electrical enclosures and housings for consumer electronics and industrial equipment.
Building & construction materials including insulation composites and rigid foam board additives.
Thermoplastic elastomer (TPE) formulations used in flexible cables and appliance parts.

Chemical Type	Ammonium polyphosphate (APP), Type II, high polymerization degree
Product Form	Fine white powder
Appearance	Free-flowing, off-white to light beige granular powder
Particle Size (d₅₀)	Approx. 15–25 µm
Bulk Density	0.8–1.0 g/cm³
Thermal Decomposition Onset	≥ 280 °C (by TGA, 10 K/min, air)
Water Solubility	< 0.1 g/100 g H₂O at 20 °C
pH (10% aqueous suspension)	6.0–7.5

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E-mail: wangxingqiang@ericwchem.com
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