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MDI (Methylene Diphenyl Diisocyanate)

MDI isocyanate for polyurethane

MDI (methylene diphenyl diisocyanate) is a key isocyanate used in the production of rigid and flexible polyurethane foams, adhesives, coatings, and elastomers.
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Frequently Asked Questions

What is MDI (Methylene Diphenyl Diisocyanate)?+

MDI (Methylene Diphenyl Diisocyanate) is an aromatic diisocyanate used to make polyurethane, reacting with polyols to form rigid and semi-rigid polyurethane systems. RAVMENT supplies MDI in bulk and exports it worldwide — request a quote.

What is MDI used for?+

Its main applications are rigid polyurethane insulation foam, refrigerator and panel cores, adhesives and binders, wood-based panel production (OSB, particleboard) and elastomers. RAVMENT supplies MDI in bulk and exports it worldwide — request a quote.

What is the difference between MDI and TDI?+

Both are isocyanates used to make polyurethane. MDI has a lower vapour pressure and goes mainly into rigid foam, panel insulation, adhesives and elastomers. TDI is more volatile and is used chiefly for the flexible foams of the furniture and mattress industries. Both are reactive chemicals: keep them dry and handle with proper ventilation. RAVMENT supplies MDI in bulk and exports it worldwide — request a quote.