Non-rigid flexible piping comprising high density plastic pipes used for the underground transfer of fuels and chemicals; [ fittings for non-rigid flexible piping comprising high density plastic pipes used for the underground transfer of fuels and chemicals, namely, seals, connectors and sleeves ]

oxidized, blown or condensed asphalt or mineral rubber, used to amalgamate dissimilar thermoplastic polymers, for use as a compatibilizer in the plastics industry