shizhengguandao
【日本語】三層複合構造：内層は飲料水用PE抗菌層（非持続接触性抗菌）、中層はHDPE補強層、外層はバ繊維強化保護層。市政給水および農村飲用水工事に使用。寿命≧50年、使用温度≦40℃、最大圧力2.0MPa。
【English】Three-layer composite: potable-grade PE anti-bacterial inner layer (non-residual contact action), HDPE core and basalt-fiber reinforced protective outer layer; for municipal and rural drinking-water systems, service life ≥50 years, ≤40°C, up to 2.0MPa.
