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ST-1005 is an environmentally friendly silicon-based flame retardant. It has excellent flame
retardant synergistic effect on halogen flame retardants . It can completely replace antimony trioxide, improve the flame retardant efficiency of halogen flame retardants, and has a good smoke suppression effect .
ST-1005 is an environmentally friendly silicon-based flame retardant that exhibits excellent synergistic flame retardant effects on halogen flame retardants, enabling it to completely replace antimony trioxide while improving flame retardant efficiency and providing good smoke suppression. It fully complies with RoHS and REACH regulations and is primarily used as a substitute for antimony trioxide in flame‑retardant polymers such as PP, PE, EVA, PVC, and CPE. Key advantages include a halogen‑free, environmentally friendly composition with heavy metal contents (Pb, As, Hg, Cr, Cd) all below 20 ppm, extremely low water solubility and hygroscopicity that prevent water precipitation and ensure no negative impact on electrical properties, as well as high thermal stability that accommodates a wide range of processing requirements.
| 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 | Bromine content |
| White powder | 3~6 μm | ≤0.5 g/100ml | ≤0.5 % | 2.9±0.1 g/cm³ | 7~8 | 0.4±0.1 g/cm³ | ≥300 ℃ | / | / | / | ≥92 % | / |
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