Product Description: 1) Used for mixing and coating two-component sealant. 2) Main pump is driven by hydraulic system. 3) Special adjustable matching device with proportional pump, static reciprocating mixer and fully-enclosed curing agent system can assure the best proportions and mixing quality. 4) Overload safe protection device for pipes has easy operation and safety features. 5) This machine is suitable for use with kinds of two-component sealant.