رزین اتیل سیلیکات | SILBOND 40 Evonik. Dynasylan® SILBOND® 40 by Evonik is an ethyl polysilicate liquid with low viscosity. It is a concentrated form of available silica. It is a partially hydrolyzed mixture of monomers, dimers, trimers and higher polymers. Average -Si-O-Si- chain length is approximately five.
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