A water pipe for burying underground

The utility model relates to a water pipe for burying underground, it contains the waterproof layer, the intermediate level, crosslinking layer and sandwich layer set up the intermediate level betweenwaterproof layer and crosslinking layer, set up crosslinking layer in intermediate level and sandwich layer, and the intermediate level is polytetrafluoroethylene section fibre, the sandwich layer isthe PPR material of the bamboo charcoal including load cuprous oxide. The utility model discloses a waterproof layer is polyurethane, EPT rubber, and the mixture of PPR material, it has the tensile strength height, and elasticity and percentage elongation are big, the characteristics that cohesiveness, water -resistance go with weatherability etc. Service life is longer. 本实用新型涉及种用于埋在地下的水管，其包含防水层，中间层，交联层以及芯层，在防水层和交联层之间设置中间层，在中间层和芯层设置交联层，中间层为聚四氟乙烯段纤维；芯层为含负载氧化亚铜的竹炭的PPR材料。本实用新型的防水层为聚氨酯，三元乙丙橡胶，PPR材料的混合物，其具有抗拉强度高，弹性和延伸率大，粘结性、抗水性和耐气候性好等特点，使用年限较长。