Are there any differences between concrete dry and wet spray?
Dry spray use of the mechanical structure is relatively simple, mechanical cleaning and troubleshooting easy.
But its drawback is easy to produce a larger dust, rebound a large amount of water is controlled by the nozzle of the valve, the water-cement ratio of the control is more difficult and the degree of skill with the operator.
Dry spray: dry spray is the aggregate, cement and quick-setting agent according to a certain proportion of dry mixing evenly, and then into the jet, with compressed air to dry aggregate in the hose was suspended in the state pressure to the gun,
