Heading 3909
Amino-resins, phenolic resins and polyurethanes, in primary forms
Tariff classification hierarchy
39PLASTICS AND ARTICLES THEREOF3909Amino-resins, phenolic resins and polyurethanes, in primary forms
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Subgroups
3909100000Urea resins; thiourea resins3909200010Melamine resins · Polymer mixture, containing by weight: -|60|% or more but not more than 75|% of melamine resin (CAS|RN|9003-08-1), -|15|% or more but not more than 25|% of silicon dioxide|(CAS|RN|14808-60-7|or 60676-86-0), -|5|% or more but not more than 15|% of cellulose (CAS|RN|9004-34-6), and -|1|% or more but not more than 15|% of phenolic resin (CAS|RN|25917-04-8)3909200090Melamine resins · Other3909310000Other amino-resins · Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)3909390010Other amino-resins · Other · Formaldehyde, oligomeric reaction products with aniline (CAS RN 25214-70-4)3909390090Other amino-resins · Other · Other3909400000Phenolic resins3909501000Polyurethanes · Polyurethane of 2,2′-(tert-butylimino)diethanol and 4,4′-methylenedicyclohexyl diisocyanate, in the form of a solution in N,N-dimethylacetamide, containing by weight 50|% or more of polymer3909509020Polyurethanes · Other · Preparation containing by weight: -|14|% or more but not more than 18|% of ethoxylated polyurethane| modified with hydrophobic groups, -|3|%|or more but not more than 5|% of enzymatically modified starch, and -|77|% or more but not more than 83|% of water3909509030Polyurethanes · Other · Preparation containing by weight: -|16|% or more but not more than 20|% of ethoxylated polyurethane modified with hydrophobic groups, -|19|% or more but not more than 23|% of diethylene glycol butyl ether, and -|60|% or more but not more than 64|% of water3909509040Polyurethanes · Other · Preparation containing by weight: -|34|% or more but not more than 36|% of ethoxylated|polyurethane modified with hydrophobic groups, -|37|% or more but not more than 39|% of propylene glycol, and -|26|% or more but not more than 28|% of water3909509090Polyurethanes · Other · Other