1. Alumina Trihydrate (ATH)
Chenxu Chemical supplies a halogen-free Alumina Trihydrate (ATH) grade that will fit almost any flame retardant or smoke suppression application or need in the marketplace. Our scientists have developed and formulated a wide variety of alumina trihydrate grades:
Particle sizes ranging from 1 to 80 microns
Untreated and chemically treated grades
Ground ATH
Precipitated ATH (high purity; low conductivity)
| Product Name | Aluminum Hydroxide | ||||||||
| Synonym | Alumina Trihydrate / ATH | ||||||||
| Subject | AH-1 | AH-2 | AH-3 | AH-5 | A-8 | A-8L | AH-10H | A-10 | A-15 |
| AL(OH) 3 % | ≥99.4 | ≥99.5 | ≥99.5 | ≥99.5 | ≥99.5 | ≥99.5 | ≥99.5 | ≥99.5 | ≥99.5 |
| SiO 2 % | ≤0.03 | ≤0.05 | ≤0.05 | ≤0.03 | ≤0.03 | ≤0.03 | ≤0.03 | ≤0.03 | ≤0.05 |
| Fe 2 O 3 % | ≤0.02 | ≤0.03 | ≤0.03 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.03 | ≤0.03 | ≤0.03 |
| Na 2 O % | ≤0.35 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.35 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 |
| L.O.I % | 34.5±0.5 | 34.5±0.5 | 34.5±0.5 | 34.5±0.5 | 34.5±0.5 | 34.5±0.5 | 34.5±0.5 | 34.5±0.5 | 34.5±0.5 |
| Moisture % | ≤0.35 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.30 | ≤0.35 | ≤0.35 | ≤0.35 | ≤0.35 |
| Particle Size D 50 (μm) | 1 ~ 2 | 2.0-3.0 | 3.0-5.0 | 5.0 ~ 6.0 | 8 ~ 10 | 7 ~ 9 | 9~ 12 | 10 ~ 13 | 13 ~ 16 |
| Whiteness % | >96 | >94 | >94 | >94 | 91-93 | 92-94 | ≥95 | 90~92 | ≥89 |
| Oil Absorption (Castor Oil) ml/100g | ≤43 | ≤40 | ≤40 | ≤40 | ≤35 | ≤30 | ≤32 | ≤32 | ≤30 |
| Product Type | Precipitated Fine ATH (Precipitated Source) | Fine Ground ATH (Mined Source) | |||||||
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Hydrate Alumina |
Alumina Trihydrate |
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Aluminium Trihydrate |
Aluminum Hydroxide |
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ATH |
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