ZHJB series sealant mixing machines apply to spraying of high-viscidity two-component sealants such as epoxy resin structural sealant. With a high automation degree, this device can complete automatically absorption, pressurization, metering and mixing of the material. This machine has a high metering precision with the proportion error control precision of ±2% and the proportion alarm range of ±5% and it can shut down automatically after alarming. The proportion and amount of every extrusion can be displayed in the touch screen and stored in the U-disk for convenient inquiry and quality monitoring in the future.