Docco Marine KB &B (P-1465) Oxidized and heat polymerized herring oil Degen Oils (Process / Natural) SEALANT SEALANT >> Putty Docco Marine KB& B is an oxidized and heat polymerized herring oil. The dual processing provides the user more flexibility in formulating caulking compounds, glazing putties. Oxidized and heat polymerized herring oil. Used as plasticizer in caulking compounds and glazing putties.