Tosoh to Hike Prices of All MDI Products on July 22, 2022 in Market Background, Materials Tosoh will raise the price of all diphenylmethane diisocyanate (MDI) products, a raw material for polyurethane, by more than 50…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading