Blox 4000 Series Epoxy based Dow Chemical Epoxide (EP) ADHESIVE BLOX 4000 Series Resins are specially formulated for enhanced gas barrier performance. New-to-the-world thermoplastic resins featuring excellent gas barrier protection Exceptional adhesion Outstanding optical properties Processable on conventional thermoplastic equipment Available in wide range of viscosities for specific applications Applications include beverage containers and other co-extruded or co-injected articles requiring O2 and CO2 barrier protection BLOX* High-Adhesion Barrier Resins are part of a new family of epoxybased thermoplastics. These amorphous materials exhibit exceptional gas barrier protection, excellent adhesion to a variety of substrates, superior mechanical toughness and stiffness, and high-quality optical clarity and color Epoxy based thermoplastic resin. Offers very good gas barrier protection, adhesion to a variety of substrates, superior mechanical toughness and stiffness and high-quality optical clarity and color. Provides enhanced gas barrier performance.