ISONATE™ 125MDR Pure MDI

ISONATE™ 125MDR Pure MDI by Dow is a crystalline, pure MDI mixture composed of approximately 4,4’-diphenylmethane diisocyanate (98%) and 2,4’-diphenylmethane diisocyanate (2%). It possesses high purity, low acidity and reproducible reactivity. ISONATE™ 125MDR Pure MDI is a key ingredient in preparing prepolymers for polyurethane processing. It is used in sealants. The shelf life of the product is 12 months (at 20°C) and 45 days (at 43°C).