Explanatory notes
… obtained by reacting the sodium salt of bisphenol A (4,4’‑isopropylidene‑diphenol) with bis (4‑chlorophenyl) sulphone. … parts, domestic appliances, etc. (4) Polymers with isocyanate groups , not elsewhere specified or included, … used in the manufacture of paints and varnishes. (b) Polyisocyanurates based on hexamethylene diisocyanate (HDI) , …