KBP Compound (P-1027) Oxidized and heat polymerized menhaden oil Degen Oils (Process / Natural) SEALANT SEALANT >> Putty KBP Fish Oil is an oxidized (blown) and heat polymerized menhaden oil. This dual processing provides the user more flexibility in formulating caulking compounds, glazing putties. Blown fish oil. Used as plasticizer in caulking compounds and glazing putties.