3909: Amino-resins, pheonolic resins, polyurethanes, primar

390910: Urea resins, thiourea resins, in primary forms 390920: Melamine resins, in primary forms 390930: Amino-resins nes, in primary forms 390940: Phenolic resins, in primary forms 390950: Polyurethanes in primary forms 3909: Amino-resins, pheonolic resins, polyurethanes, primar