The special material PN049-030-122 for high-density polyethylene pipes produced by Yulin Petrochemical has passed authoritative certification

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The special material PN049-030-122 for high-density polyethylene pipes produced by Yueneng Chemical has passed authoritative certification. Author/Source: Shaanxi Yanchang China Coal Yulin Energy Chemical. Date: 2019-08-19. Views: 113. Recently, good news came from the **Chemical Building Materials Testing Center: the special material PN049-030-122 used for high-density polyethylene pipes by Yueneng Chemical has successfully obtained the certification for PE100 pipe materials after undergoing long-term hydrostatic tests. It is understood that the entire certification process took 439 days. Based on the **standard GB/T 18475-2001 \"General usage (design) coefficients for the classification and naming of materials for thermoplastic pressure pipes and fittings,\" the samples submitted by Yueneng Chemical were classified as PE100. The PN049-030-122 grade of product is a bimodal polyethylene pipe material that Yueneng Chemical Company began producing in its high-density polyethylene facility in 2017. This product boasts excellent processability, as well as resistance to creep, slow crack growth, and rapid crack propagation. This product is mainly used in buried water supply pipes, gas pipes, large-diameter pressure pipes, etc. It has received widespread praise from customers during its adoption and promotion, earning a good reputation. A responsible official from the R&D center of Yulin Petrochemical said that the acquisition of this certification indicates that the product fully meets the performance requirements of PE100 pipe materials. These findings will have a positive impact on increasing the recognition and influence of the special materials used for PN049-030-122 pipes in the market.