On March 13, 2018, Henan Provincial Bureau of Quality and Technical Supervision carried out special supervision and spot checks on 30 key consumer products in 2017. Among them, six provinces were selected: Zhengzhou, Anyang, Jiaozuo, Fuyang, Nanyang and Zhoukou. 22 batches of agricultural film products produced by 11 enterprises under the jurisdiction of the city. After sampling inspection, 22 batches of products all meet the standard requirements.
The spot check is based on GB 13735-1992 "PE blown agricultural ground cover film", GB 4455-2006 "agricultural polyethylene blown film", GB/T 6672-2001 "Measurement of plastic film and sheet thickness measurement Method, GB/T 6673-2001 "Determination of length and width of plastic films and sheets", GB/T 1040.3-2006 "Determination of tensile properties of plastics - Part 3: Test conditions for films and sheets" and "2017 Quality Improvement of Plastic Film Products in Henan Province Special Supervision and Spot Check Implementation Plan, Signs for agricultural film products, appearance, width deviation, thickness limit deviation and thickness average deviation, tensile strength (longitudinal, transverse), elongation at break Horizontal) and other projects were tested.