Flame Retardants
| Test | Specification | ||
|---|---|---|---|
| Zinc Borate | |||
| B2O3 (%) | 47.0~49.0 | ||
| ZnO (%) | 37.5~39.5 | ||
| Loss on Ignition (%) | 13.0~15.5 (450℃) | ||
| Moisture (%) | ≤0.3 | ||
| Whiteness | 96.0~99.0 | ||
| Particle Size D50 (μm) | ≤7.0 | ||
| Sieve Residues (45μm, %) | ≤0.05 | ||
| Chloride Content (%) | ≤0.02 | ||
| 1% Wt Loss Temperature (0C) | ≥345 | ||
| Sulfur content (%as SO4-2) | ≤0.005 | ||
| Melamine cyanurate (MCA) | |||
| Content | ≥99.5 | ||
| Moisture | ≤0.2 | ||
| pH (50g/L) | 5.0~7.5 | ||
| Ash content (%) | ≤0.2 | ||
| Whiteness | ≥ 96.0 | ||
| Particle size D50 | <2 | ||
| Melamine Content (%) | ≤0.3 | ||
| Cyanuric acid content (%) | ≤0.2 | ||
| Chloride (%) | ≤0.008 | ||
| Aluminum hypophosphite (ALHP) | |||
| Content (%) | ≥94.5 | ||
| pH (100g/L suspension) | 3.0~5.0 | ||
| Loss on Drying (%) | ≤0.3 | ||
| Whiteness | ≥95 | ||
| 1% Wt Loss Temperature (0C) | ≥300 | ||
| Particle Size D50 (µm) | ≤10 | ||
| Sieve Residues (75μm, %) | ≤0.05 | ||
| Sulfur content (%as SO4-2) | As required | ||
| Hexaphenoxycyclotriphosphazene (HPCTP) | |||
| Appearance | White to off white powder | ||
| Melting point/C | 104-108 | ||
| 5% weight loss temperature (0C) | ≥340 | ||
| Loss on drying (%) | ≤0.2 | ||
| Transmissivity (%) | ≥86 | ||
| Conductivity (μs/cm) | ≤15 | ||