Concrete or mortar for heat and sound insulating building - elements - based on binder and ground rubber

摘要

Concrete comprises cement or gypsum; accelerators gas formers e.g., Mg, Al powder, CaCl2; and waste rubber e.g., from tyres ground to a particle size is not 10 mm. with a wt. ratio of binder to rubber of 10-70: 90-30. Water glass and fire resisting chemicals e.g., phosphates, Cl and Sb contg. compounds may also be included.