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Guangdong Provincial Quality Supervision Bureau: 15% of PVC pipe products are unqualified in random inspection

First of all, if you have experimental equipment, you can do the heat deformation temperature or Vicat softening point temperature to test its heat resistance, Izod impact test its impact resistance, as well as flexural modulus and elongation, tensil...

At this stage, the distribution of processing capacity of hard pvc pipes in my country is structurally unreasonable. The processing capacity of small and medium-sized enterprises is mainly concentrated in pvc drainage pipes. At the same time, a large...