Alkyl alkoxy silane used as a surface modifier and hydrophobing agent. The branched isobutyl group balances hydrophobicity with good penetration into porous mineral substrates. Releases methanol on hydrolysis; faster reacting.
Product Code
AC-I431
iso-Butyltrimethoxysilane
CAS Number
18395-30-7
EINECS
242-272-5
Description
Synonyms
Cross-Reference
Comparable products from other manufacturers, for identification purposes only.
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 | C7H18O3Si |
| Molecular weight | 178.3 g/mol |