The tie layer resin market is the market for adhesive resins that is used to bond different materials together in multi-layered structures. Tie layer resin is a type of polymer that is used to bond different types of polymers together. It is extensively used in the packaging industry to improve the barrier properties of packaging materials. The use of tie layer resin in the automotive and construction sector as a bonding layer for chemical resistance and mechanical strength is creating a market opportunity for tie layer resin.