Dynasylan® SILBOND® 40-HF

Dynasylan® SILBOND® 40-HF by Evonik is a low viscosity ethyl polysilicate with 40% silica content. It is a partially hydrolyzed mixture of monomers, dimers, trimers, and higher polymers. Average -Si-O-Si- chain length is approximately five. Used in the manufacture of less concentrated, more highly hydrolyzed binders which are recommended for inorganic zinc-rich primers and coatings applications. Dynasylan® SILBOND® 40-HF has a shelf life of 12 months.