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Micral® 632
- CAS Number
- 21645-51-2
- EC Number
- 244-492-7
- Chemical Name
- Alumina Trihydrate (ATH)
- Chemical Family
- Aluminum Compounds, TrihydratesAluminum CompoundsTrihydrates
Micral® 632 is a mechanically produced ATH product designed for plastic and rubber applications requiring a fine particle size. The high surface area of Micral 632 provides a low cost approach to flame retardance and smoke suppression in applications such as urethane foams, vinyl, SBR belting, EPDM, EPR, adhesives, coatings, ABS, polyolefins and XPLE.
Properties
- Physical Form
- Powder
- Solid
Identification
- CASE Ingredients Features
- Abrasion ResistanceStain Resistance
- CASE Ingredients Functions
- Flame Retardant
Product families
Applications
Applications
- Paints & Coatings — Other Paints & Coatings Applications
Adhesives & Sealants — Building & Construction
- Sealants & Caulks
Building & Construction — Building Materials
- Sealants & Caulks
Product Families
CASE Ingredients — Additives
- Functional Additives
Other characteristics
- Brand
- Micral
- End Uses
- Gelcoat, Powder Coating
- Features
- Abrasion Resistance, Stain Resistance
- Functions
- Flame Retardant
- Markets
- Adhesives & Sealants
- Building & Construction
- Paints & Coatings
- Appearance
- White
- Coating Type
- Gelcoat
- Powder Coating
- Technology
- CASE Ingredients
Technical data
Table 1 of 2
10 rows| Characteristic | Value | Unit |
|---|---|---|
| Free Moisture Content(105ºC) | 0.6 | % |
| Bulk Density (Loose) | 0.45 | g/cm³ |
| Bulk Density (Packed) | 0.9 | g/cm³ |
| Median Particle Size | 3.5 | Microns |
| OIl Absorption | 32.0 | ml |
| Screen Analysis (Through 325 mesh) | 99.99 | % |
| Specific Gravity | 2.42 | g/cm² |
| Surface Area* | 9 | m²/g |
| TAPPI Brightness*** | 95.0 | — |
| Free Moisture (105ºC) | 0.6 | % |
Table 2 of 2
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Al(OH)₃ | 99.6 | % |
| Fe₂O₃ | 0.007 | % |
| Na₂O (Soluble) | 0.05 | % |
| Na₂O (Total) | 0.2 | % |
| Loss on Ignition (1000°C) | 34.6 | % |
| SiO₂ | 0.005 | % |
