Recently, Provincial Quality Supervision Bureau of Shanxi in the sale of plastic pipe quality sampling, Yangquan, Datong Plastic Co., Ltd., Luliang City Lishi District Nanguan open-source Plumbing Distribution Department Distribution nominal Hebei Jixing plastic factory part of the product and quality standards issues. In this spot checks, the Provincial Quality Supervision Bureau of Shanxi production and distribution enterprises of the 120 batches of plastic pipe quality supervision and spot checks, the detection rate of substandard products is 1.7%. The main quality problem is unqualified, wall thickness, density of unqualified unqualified drop hammer. Provincial Quality Supervision Bureau staff introduction, wall thickness is not qualified will impact on pipe and the application of the construction quality, size indicators unqualified steel tubes can not good connection, and may be linked to lower the compressive strength, the pipeline is easy to break and leakage, resulting in performance degradation products, shrink the short service life; density failed to reduce the product of strength and ductility; falling impact performance can reflect the impact resistance of the products under low temperature, will reduce the service life of the products, the impact of the performance difference, effect of installation and use, thus affecting the engineering quality.
        In this sample, by Luliang Lishi City Nanguan District open source Plumbing Distribution Department Distribution nominal Hebei Xing Jie plastic factory production of phi 50 * 2.0mm Jiexing brand PP-R pipe and its wall thickness does not meet the standard requirements; by Yangquan, Datong Plastic Co., Ltd. is the production of phi 50 * 2.0mm type chase card PVC-U drainage pipe, wall thickness, density, drop hammer impact were not in conformity with the standard requirements.
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