multi - layered containers are disclosed including an inner layer of a thermoplastic fluorocarbon resin , an outer layer of polyolefin , and an intermediate layer therebetween of a mixture of either polyolefin grafted with an unsaturated glycidyl compound or an ethylene copolymer grafted with an unsaturated glycidyl compound . the containers possess unexpectedly improved properties , including moldability and interlaminar strength , and are excellent candidates for containing agricultural chemicals , fuel oil and industrial chemicals of various types .