Nevastain 21 hydroxy modified resin Neville Antioxidants >> Phenolic Rubber - Elastomer (Chloroprene, Butyl …) ADHESIVE >> Hot-melt ADHESIVE >> Hot-melt >> Pressure sensitive (HMPSA) is applicable to the adhesive and rubber industries. NEVASTAIN® 21 Nonstaining Antioxidant is a hindered phenolic compound which is produced by alkylating phenols with selected olefinic monomers. Hindered phenolic hydroxy modified resin. Used as antioxydant in adhesive and rubber industries.