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Polymer Additives
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Technical Datasheet | Supplied by Evonik
TEGOSTAB® B 8870 by Evonik is a non-hydrolysable polysiloxane polyether copolymer to be used preferably for the production of special types of rigid polyurethane foams, e. g. one-component foam or packaging foam. Provides both a heightened nucleating efficiency and a stronger stabilization even in critical reaction mixtures. Use level of TEGOSTAB® B 8870 is between 0.4 and 1.0 pphp. It has a shelf life of at least 12 months upon delivery.
Product Type
Nucleating Agents
Product Status
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