ATH
Mineral: ATH
ATH (aluminium tri hydrate, chemical formula Al(OH)3) is an intermediate product of aluminium production, characterised by:
- High purity
- High whiteness
- Relatively low density of 2.4g/cm3 compared to other mineral fillers, which are typically at 2.7g/cm3
- Medium Mohs hardness of 3
- Decomposition around 200°C, releasing water
Basic properties
| Property | Value | Unit |
| Moisture | < 0.4 | [%] |
| pH | 9 | [-] |
| Hardness (Mohs) | 3 | [-] |
| Refractive index | 1.57 | [-] |
| Electrical conductivity | 60 | [µS/cm] |
| L.O.I. | 34.5 | [%] |
| Density | 2.4 | [kg/ dm3] |
Products:
| Product | Grade | D50
[µm] |
| Portaflame SG | 7HB | 2.3 |
| 10 | 3.8 | |
| 25 | 8 | |
| 10 LSA | 3.3 | |
| 25 LSA | 5 | |
| 10 S8 | 3.8 |
Production locations: Maastricht (NL), Geertruidenberg (NL), Poviglio (IT)
Application: Portaflame SG products make sealants and adhesives flame-retardant
Functionality: Safety
Safety
