Section 06 Products of the chemical or allied industries 38 Miscellaneous chemical products 38 06 Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; run gums. 38 06 20 Salts of rosin, of resin acids or of deriv's of rosin or resin acids, excl ..., Commodity Code Description 38 06 20 00 Salts of rosin, of resin acids or of deriv's of rosin or resin acids, excl ...,