... Steady performance, easy to operate3. Double sealing, which prevents powder from leaking out4. Environment friendly, guaranteed high purity.Materials ... of machineActivated heavy calcium, heavy calcium, light calcium, talcum powder, superfine silicon dioxide, pyrophyllite, bauxitic clay, dye, fine ... W)x1850(H)mmCompressed air source P≥0.6Mpa; Q≥0.4m3/minMetering MethodElectronically metered and N.W. ...