PPR管描述：饮水用PP-R铝塑复合管 Drinking water brand PP-R aluminum plastic composite pipe 兴盛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PP拉链。 Xingsheng brand PP-R aluminum plastic composite pipe is consisted of five layers .in the center the layer is the thin wall aluminum layer, the outside layer is a PP- R, is PE or PP- Rs inside the layer, an adoption of the layer and layer imports the hot gum, extruding through the heat high Thermowell pressure, five diverse organic compound of layers, bear the corrosion, quantity light, high and heat-proof function of the machine strength good, not knot the long( nations generally accepted be no less than 50 years) good characteristics of etc. of dirt, service life. http://www.pvcppr.com
