... water supply: 1. Adopt advanced Germany production line 2. Sanitary and non toxic Polypropylene pipe for hot ... .53) Nominal pressure:1.25/1.6/2.0/2.5Mpa4)Wall thickness:2.0-26.6mm4) Colors: Grey, green, white ... below characteristics:Light in weight: its density is 0.89~0.92g/cm³, 1/9 that of steel ... produce bacteria.Low thermal coefficient: thermal coefficient is 0.23~0.24W/MK at 20°C, lower than that ...