Boiled (P-1010) Boiled linseed oil Degen Oils (Process / Natural) SEALANT Boiled Linseed Oils are chemically treated for use in sealants. This chemical treatment allows the formulator to reduce the V.O.C content while maintaining viscosity. The chemical treatment provides a faster drying time Boiled linseed oil. Used as plasticizer in concrete sealers.