TEGOSTAB® B 8404 is a polyether polydimethyl-siloxane copolymer which is used for the production of polyurethane rigid foams.
Typical Applications
TEGOSTAB® B 8404 is soluble and retains its chemical stability in all commonly applied rigid foam polyethers and also in masterbatches containing additional blowing agents, amines and reactive or non-reactive flame retardants.
Benefits at a glance
- Good foam flow support