Troythix 21BA Polymeric oil derivative Troy Rheology Modifiers / Thickeners Epoxy (EP) SEALANT Troythix 21BA Polymeric oil derivative Rheology control Solvent-based systems such as sealants Compatibility with epoxy. Use level: 0.20-1.20%. Polymeric oil derivative. Used as a rheology control agent for solvent-based systems such as sealants. Offers compatibility with epoxy. Use level: 0.20-1.20%.