Diphenylmethane Diisocyanate

A concise assessment of the risks to human health and the environment posed by exposure to diphenylmethane diisocyanate (MDI) a product used in industrial settings in the production of polyurethane elastomers (rollers packing rubber vibration insulators synthetic leather etc.) spandex fibres and rubber shoe soles. Polymeric MDI (PMDI) the primary commercial form of MDI is used to make rigid and flexible foam foundry resin sand binders and heat insulating material.