| 摘要 |
Starting composition for a foam which is suitable for capturing dust particles, comprising: a glycol ether fraction, a fatty alcohol fraction, an amine oxide fraction, and, a fatty alcohol sulphate fraction. Water-based foamable mixture which comprises the starting composition. Method for capturing dust particles which may be released when working on a substrate, using the foamable mixture. Spraying device, comprising: a tank for a foamable mixture which is pressurized by a gas, a spraying head for spraying the foamable mixture, a conduit for feeding the foamable mixture from the tank to the spraying head, a gas inlet in the conduit for mixing the gas and the foamable mixture, wherein the tank is a closed chamber without inlet, which comprises a quantity of the foamable mixture. |
