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TDI (Toluene Diisocyanate)

TDI isocyanate for flexible foam

TDI (toluene diisocyanate) is a common isocyanate used in the production of flexible polyurethane foams, coatings, and elastomers in particular.
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Frequently Asked Questions

What is TDI (Toluene Diisocyanate)?+

TDI (Toluene Diisocyanate) is an aromatic diisocyanate, usually supplied as the 80:20 blend of the 2,4- and 2,6-isomers, which reacts with polyols to form flexible polyurethane foam. RAVMENT supplies TDI in bulk and exports it worldwide — request a quote.

What is TDI used for?+

Its main applications are flexible slabstock and moulded foam for mattresses, furniture and automotive seating, coatings, elastomers, adhesives and sealants. RAVMENT supplies TDI in bulk and exports it worldwide — request a quote.

What is the difference between TDI and MDI?+

Both are isocyanates for polyurethane. TDI is more volatile and is the standard for flexible foam — mattresses, upholstery and seating. MDI is less volatile and builds more rigid, higher-strength structures, so it goes into insulation panels, wood binders and elastomers. TDI is generally supplied as the 80/20 isomer blend; the exact grade is on the specification sheet. RAVMENT supplies TDI in bulk and exports it worldwide — request a quote.