EVONIK CORPORATION › TEGO® ADDID 900 TEGO® ADDID 900 $0.00 ADDID® 900 is an adhesion promoter for solvent borne and waterborne primers and coating formulations. It is based on an amino functional silane. Quantity: Add To Cart Added! ADDID® 900 is an adhesion promoter for solvent borne and waterborne primers and coating formulations. It is based on an amino functional silane. You Might Also Like TEGO® ADDID 230