Basonat HA 300 Allophanate-modified polyisocyanate BASF Polyurethane (PU) - Isocyanates Coatings >> Solvent-Free/ High-Solids Wood & Furniture Coatings Dilutable in butyl acetate, methyl isobutyl ketone, methoxypropyl acetate, xylene and Solvesso 100 Solvent-free, low-viscosity polyfunctional isocyanate for lightfast and weather-resistant two-pack polyurethane finishes Basonat HA 300 is suitable for crosslinking most hydroxy acrylic resins such as the Macrynal ®1 SM grades. Basonat HA 300 is used for the formulation of particularly weather-resistant and lightfast high-solid finishes. Due to its viscosity it can also be used for crosslinking aqueous polyacrylic and polyester resins and emulsions. Supplied solvent-free it allows an almost free choice of solvents. It can be diluted with highly volatile solvents when, as in furniture coating, less vola-tile solvents would make drying too slow. Further, the drying reaction may be speeded up with a catalyst such as dibutyl tin dilaurate. Solvent-free, low-viscosity, polyfunctional isocyanate based on an isocyanurate of hexamethylene diisocyanate. Used for lightfast and weather-resistant high-solid two-pack polyurethane finishes for applications like furniture coating. Can be used for crosslinking most hydroxy acrylic resins, aqueous polyacrylic and polyester resins and emulsions.