ISONATE* 50 O,P' pure MDI is a high ortho-para MDI designed for use in polyurethane adhesives, sealants, sports flooring, coatings, electrical encapsulants and flexible molded foams. With the highest ortho-para (o,p') content in the ISONATE MDI series, ISONATE 50 O,P’ offers formulators a slower reactivity and increased amorphous character for improved handling and longer pot life. In prepolymer formulation, it results in lower viscosity and improved shelf stability.
ISONATE 50 O,P' is a liquid mixture composed of approximately 50 percent 4,4-diphenylmethane diisocyanate and 50 percent 2,4’-diphenylmethane diisocyanate. This difunctional product has high purity, low acidity, reproducible reactivity and a low vapor pressure.