Eurostat, Luxembourg. 3913 (01/1988-..) Natural polymers, e.g. alginic acid, and modified natural polymers, e.g. hardened proteins, chemical derivatives of natural rubber, n.e.s., in primary forms: CN 3913 /Exports /Unit = Prices (Euro/ton) /Partner: Senegal /Reporter: Eur27_2020 /3913:Natural Polymers, E.g. Alginic Acid, and Modified Natural Polymers, E.g. Hardened Proteins, Chemical Derivatives of Natural Rubber, N.e.s., in Primary Forms.