Crosslinked PE can be recycled by Pulverizer Machine
Good recommends grinding or chipping to pellet size and then pulverizing to a 50-100 mesh by PE pulverizer machine. He says the cost should run around 15|cents~/lb. Good has already produced a variety of rotational and injection molded parts containing 25% XLPE regrind level, including a 30-gal injection molded can.