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ST-1302 is an environment-friendly phosphorus-based flame retardant that exhibits excellent synergistic effects with halogen-based flame retardants and fully complies with environmental regulations such as the EU RoHS Directive and REACH Regulation
ST-1302 is an environment-friendly phosphorus-based flame retardant that exhibits excellent synergistic effects with halogen-based flame retardants and fully complies with environmental regulations such as the EU RoHS Directive and REACH Regulation. Primarily used as a substitute for antimony trioxide, ST-1302 can partially or completely replace antimony trioxide when applied in flame-retardant polymers like PA, significantly reducing the cost of flame-retardant polymers. Additionally, ST-1302 features extremely high thermal stability, extremely low water solubility and water absorption. It does not hydrolyze or precipitate, and has minimal impact on the physical properties of materials.
| Appearance | Average particle size | Water solubility | Water content | True Density | pH | Bulk density | Decomposition temperature | Phosphorus content | Nitrogen content | Cr, Cd, Pb, Hg, As | Whiteness |
| White powder | 15~20 μm | / | ≤0.3 % | 1.2±0.1 g/cm³ | 4.0~6.0 | 0.8±0.1 g/cm³ | ≥260 ℃ | / | / | / | / |
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