FILLER-CONTAINING POLYURETHANE BINDER AND SANDWICH PANEL COMPRISING SAME

摘要

A polyurethane based binder prepared from a polyether diol having an average molecular weight of 800 - 3000 and containing a particulate filler in an amount of at least 40 weight.-%, in which at least 75 % of the filler have a particle size above 2 mu m, and that the filler has an average particle size of 3 - 8 mu m.