Ultra-pure colloidal silica Markets & Products Electronics & Telecommunications Dynasylan® A Dynasylan® A is the ethyl ester of orthosilicic acid. Dynasylan® A Dynasylan® A is the ethyl ester of orthosilicic acid. Dynasylan® A SQ Dynasylan® A SQ represents a special quality of Dynasylan® A, the ethyl ester of orthosilicic acid. Dynasylan® A SQ Dynasylan® A SQ represents a special quality of Dynasylan® A, the ethyl ester of orthosilicic acid. Dynasylan® HMDS Dynasylan® HMDS acts as efficient silylating agent in the pharmaceutical industry, as adhesion promoter in the microelectronic industry and as hydrophobation agent. Dynasylan® HMDS Dynasylan® HMDS acts as efficient silylating agent in the pharmaceutical industry, as adhesion promoter in the microelectronic industry and as hydrophobation agent. Dynasylan® SILBOND® Condensed Dynasylan® SILBOND® Condensed is tetraethyl orthosilicate (TEOS; Si[OEt]4), and is used as a raw material for acid- or alkali-catalyzed hydrolysis and subsequent condensation reactions. Dynasylan® SILBOND® Condensed Dynasylan® SILBOND® Condensed is tetraethyl orthosilicate (TEOS; Si[OEt]4), and is used as a raw material for acid- or alkali-catalyzed hydrolysis and subsequent condensation reactions. Dynasylan® SILBOND® LBEG Dynasylan® SILBOND® LBEG (low-boron electronic grade) is a clear, very high-purity (99.86%), low-boron ethyl silicate product targeted for use in the electronics industry. Dynasylan® SILBOND® LBEG Dynasylan® SILBOND® LBEG (low-boron electronic grade) is a clear, very high-purity (99.86%), low-boron ethyl silicate product targeted for use in the electronics industry. View all Related Markets Electronics & Telecommunications Powering Technological Progress with Solutions for Electronics & Telecommunication View all View less