GB / T 8806 a 1988 plastic pipe size measurement method (eqv 1974) GB / T 13021 ~ 199 1 black polyethylene pipe and fittings - Determination of pyrolysis (neq 1986 GB / T 17219-1998 in drinking water safety evaluation standards of equipment and protective materials GB / T 17391-1998 polyethylene pipes and fittings thermal stability test method (eqv 1991) PEPE possession density polyethylene pipes and high-density polyethylene pipe, according to the thickness divided SDR11 and SDR17.6 series. The former is suitable for conveying gaseous artificial gas, natural gas, liquefied petroleum gas, which is mainly used to transport natural gas and steel comparison, the construction process is simple, there is a certain degree of flexibility in Hangzhou pe pipe, but the main is not used as a preservative treatment Shanxi pe pipe, will save a lot of processes. drawback Shandong pe equipment inferior to steel pipe, construction special attention thermal heating safe distance, and not exposed to air, sunlight, and chemical sensitive materials to prevent leaking sewers harm. is cooling. Shandong pe pipe, Xiong Wang Thai (certified), Suining pe water supply provided. Xiong Wang Thai Plastic Products Factory by Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) Hebei Baoding, UPVC pipe leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Xiong Wang Thai leadership with the staff enthusiasm All are welcome to contact us to discuss, create Xiong Wong Tai a better future.