SILRES®BS 280 CF is a solvent-free silicone concentrate based on silane/siloxane that is dilutable with organic solvents.
Diluted solutions of SILRES®BS 280 CF are high-quality water repellents for impregnating mineral building materials, especially silicate free natural stones like limestone or gypsum.
It develops its water repellent effect after application to construction materials as a result of a reaction with atmospheric humidity.
SILRES®BS 280 CF is a Catalyst-free version of SILRES®BS 280.
Properties :
• good penetration into building materials
• extremely effective with most natural stone
• good alkali resistance (alkaline mortar joints)
Applications :
• Hydrophobic Impregnation
• Impregnation of New and Existing Buildings
SILRES® BS 280 CF should be diluted in a ratio of 1:11 (parts by weight).
It can be diluted with aliphatic and aromatic hydrocarbons or with anhydrous alcohol.
We would especially recommend the use of petroleum hydrocarbons such as white spirit.