ISOSTIK 4.4 is a modified 4,4-diphenylmethanediisocyanate used in the production of agglomerates. ISOSTIK 4.4 mono-component is an adhesive obtained from isocyanates which react with nebulized water and with the moisture contained in the air; it hardens thanks to the humidity contained in the air or by the addition of nebulized water. ISOSTIK 4.4 is free
