TEGOSTAB® B 8870

TEGOSTAB® B 8870 by Evonik is a non-hydrolysable polysiloxane polyether surfactant. It is preferred for the production of special types of rigid polyurethane foams like one-component foam or packaging foam. It provides both a heightened nucleating efficiency and stronger stabilization even in critical reaction mixtures. TEGOSTAB® B 8870 has a usage level of 0.4 and 1.0 php. It has a shelf life of 12 months.