Product Overview
ST-HP100 is Hexaphenoxycyclotriphosphazene (HPCTP, CAS No. 1184-10-7), a halogen-free nitrogen-phosphorus flame retardant with good thermal stability and high purity. It is mainly used in PC, PC/ABS, PPO, PA, and epoxy resin systems, as well as electronic packaging, LED materials, powder coatings, and potting compounds.
Hexaphenoxycyclotriphosphazene Technical Specifications
| Property | Technical Standard |
| Product Type | Halogen-Free Nitrogen-Phosphorus Flame Retardant |
| Commercial Name | ST-HP100 |
| CAS Number | 1184-10-7 |
| Appearance | White Crystal |
| Purity (HPLC) | ≥ 99.0% |
| Ash Content | ≤ 0.05% |
| Volatiles: | ≤ 0.5% |
| Melting Point: | 111–114°C |
Applications of HPCTP
HPCTP is mainly used as a halogen-free flame retardant in PC, PC/ABS, PPO, PA, and related engineering plastics. It also provides effective flame retardancy in epoxy resin systems and can be used in electronic packaging materials, LED materials, powder coatings, potting compounds and other polymer applications.
Recommended addition level: 3–10 parts, depending on the polymer system and required flame-retardant performance.
For other phosphorus-based flame retardant solutions, see our Tricresyl Phosphate (TCP).
Core Advantages of ST-HP100 HPCTP
Halogen-Free System: Nitrogen-phosphorus flame retardant suitable for applications requiring halogen-free formulations.
High Purity: HPLC purity≥99.0% supports consistent product quality.
Good Thermal Stability: Suitable for engineering plastics and thermosetting resin applications.
Broad Polymer Compatibility: Applicable to PC, PC/ABS, PPO, PA, epoxy resin, and other polymer systems.
Electronics Applications: Suitable for electronic packaging, LED materials, powder coatings, and potting compounds.
Packaging: 25 kg bags.
Storage Conditions: Store in a cool, dry, well-ventilated area. Keep the package sealed and avoid contact with water or other substances that may affect product performance.
