Light plaster mixt. for spraying - consisting of water and cement with light aggregate mfd. by mixing foaming agent with cement and injecting into mixing chamber

摘要

Light plaster, consisting of water and cement or adhesive, with light aggregate, such as perlite, vermiculute, cork, etc. is mfd. by mixing a foaming agent with a cement or adhesive, injected at high pressure into a mixing chamber, and introducing the mixture into an expansion nozzle directly behind the mixing chamber, into which compressed air is melted. The dry aggregate is blown into the mixing chamber or is mixed in behind the expansion nozzle. ADVANTAGE - Mixture can be sprayed, aggregate is practically undamaged