Recently, the Guangzhou Municipal Market Supervision and Administration announced the results of spot checks on the quality of cement products in Guangzhou in 2022. In the third quarter of
2022, the Guangzhou Municipal Market Supervision and Administration Bureau conducted supervision and spot checks on the quality of cement products. A total of 8 batches of samples were sampled. After inspection, all products met the standard requirements.
This spot check is based on GB 175-2007 "General Portland Cement", GB 6566-2010 "Limit of Radionuclides in Building Materials", GB 31893-2015 "Limit and Determination Method of Water Soluble Chromium (VI) in Cement", GB/T 3183-2017 "Masonry Cement". Test the sulfur trioxide, magnesium oxide, loss on ignition, insoluble matter, chloride ion content, fineness, setting time, soundness, strength, radioactivity, water-soluble chromium (VI), water retention rate and other items of the cement.
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