Halogen-free, fireproof, rigid polyurethane foam containing a combination of ABC extinguisher powder and expanded graphite as fire retardant, used e.g. for filling holes and ducts in walls, floors and ceilings

摘要

Halogen-free, fire-resistant, rigid polyurethane foam made from a polyol component (A) and a polyisocyanate component (B), containing a combination of ABC extinguisher powder (I) and expanded graphite (II) as fire retardant.