思伟特牌PP-R铝塑复合
水管由五层构成，中间层为薄壁铝层，外层是PP-R，内层是PE或PP-R，层与层之间采用进口热熔胶，通过高温高压挤出，五层多元有机复合，耐腐蚀、质量轻、
机械强度高、耐热性能好、不结垢、使用寿命长(国际公认不少于50年)等优良特点。
SIWEITE brand PP-R aluminum
plastic composite pipe is consisted of five layers. The middle
layer is thin aluminum , outer layer is PP-R, inner layer is PE or
PP-R. There is imported heat glue which is extruded by high
temperature and high pressure. Advantage: antisepsis, light, high
mechanical intensity, dirt-less, long life span.
