Two-compartment aerosol can for fire-resistant polyurethane foam, used e.g. for filling cable ducts or fireproof doors

摘要

A 2-compartment aerosol can used for manipulating fireproofed polyurethane (PUR) foam has a modified isocyanate and filler in one compartment and a catalyst in the other. An Independent claim is also included for fire-resistant PUR foam with a fire resistance classification of at least T 30 (DIN 4102, Part 5), especially for use as 2-component foam in cans, based on modified isocyanurate containing a high concentration of finely divided filler which undergoes a large increase in volume at elevated temperature.