Alkyl alkoxy silane used as a surface modifier and hydrophobing agent. The octadecyl chain forms a dense, wax-like hydrophobic layer, used where maximum water repellency and powder flow are needed. Releases methanol on hydrolysis; faster reacting.
Product Code
AC-N1813
Octadecyltrimethoxysilane
CAS Number
3069-42-9
EINECS
221-339-2
Description
Synonyms
Key applications
- Masonry, concrete and facade water repellency
- Hydrophobic treatment of fillers and pigments
- Powder flow and anti-caking
- Glass fiber and mineral wool sizing
- Adhesion primer on inorganic substrates
Characteristics
| Family | Alkoxy Silanes |
|---|---|
| Functionality | Alkoxy |
| Molecular formula | C21H46O3Si |
| Molecular weight | 374.68 g/mol |