From April to June 2018, Weifang Municipal Bureau of Quality and Technical Supervision organized the second batch of product quality municipal supervision and spot checks. This time, a total of 9 batches of doors produced by 6 enterprises in the city were screened, and unplasticized polychlorinated windows were used for windows. Ethylene (PVC-U) profile products.
This spot check is based on GB/T8814-2008 "doors, windows with unplasticized polyvinyl chloride (PVC-U) profiles" and other standards, mainly for tensile impact strength, drop impact of the main profile, after heating at 150 °C Six items including the state, Vicat softening temperature, dimensional change rate after heating, and bending elastic modulus of the main profile were tested. The spot check found that 2 batches of products of 2 companies did not meet the requirements of relevant standards, and the products were unqualified and unqualified. The project is the drop hammer impact of the main profile.
The unqualified list shows that the drop hammer impact of the unplasticized polyvinyl chloride (PVC-U) profile of the doors and windows produced by Shunguang City Shandong Xinli Plastic Industry Co., Ltd. is unqualified; Weifang Binhai Economic Development Zone Weifang Li The door and window produced by the source door and window profile Co., Ltd. failed to meet the drop hammer impact of the unplasticized polyvinyl chloride (PVC-U) profile.