Lightweight concrete for pre-cast panels and shaped parts and as surfacing layers

摘要

A compsn. for making lightweight concrete comprises clinker (ash), pref. with a dia. of 0-25 mm; hydraulic binder, esp. cement; polystyrene spheres, pref. with a dia. of 2-8 mm, or polystyrene pieces, pref. with a dia. of 3-18 mm; water; and other adjucants, esp. animal-, vegetable- or synthetic proteins.