It is used for the production of TDI ,MDI/MDQ series or MOCA ,BDO and other chain extendor polyurethane. CHARACTERISTIC:1,The measure is accurate, the mixture ratio inaccuracy is less than <0.5%;2,Miscue gene, the innovative mixing organization, dependable performance;3,The late-model thermostatic apparatus , erasure error is less than 20C4,The fire new discharge valve, good vacuum degree, the ...