Technical datasheet

Basonat® HB 275 B

Supplied byBASF- Last Updated on Jun 11, 2026

Basonat® HB 275 B by BASF is an aliphatic polyisocyanate based on biuret modified hexamethylene diisocyanate (HDI). It is 75% solids solution in n-butyl acetate. It is non-yellowing with excellent chemical resistance and physical properties.
  • It can be diluted with esters, ketones, glycolether acetates or with aromatic hydrocarbons.
  • It is used to crosslink most hydroxy-containing resins and hydroxy functional polyesters.
  • It is recommended for the formulation of lightfast and weather-resistant coatings.
  • It is suitable for use in primers for difficult substrates such as aluminum or plastics.
  • Basonat® HB 275 B is applicable for interior & exterior general industrial metal coating, plastic component coating, wood coatings for floor, furniture or millwork and automotive OEM or refinish applications.
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Basonat® HB 275 B properties

Other properties

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