Concrete for lightweights

Concrete for lightweights - 1990 - Financial Times 1/5/90 p39 Contract Journal vol 355 no 5768, 3/5/9 .

An American company 3M has developed a form of lightweight ceramic bead which can be used instead of conventional aggregates , reducing the weight of concrete to less than that of water. SBD Construction Products has launched a new rapid hardening, high strength cement called Pyrament.


BUILT ENVIRONMENT-BUILDING MATERIALS