2023, the website of Jinan Municipal Market Supervision and Administration released the results of spot checks on cement product quality at the municipal level in 2022.
A total of 52 batches of cement products from 35 enterprises were sampled. Among them, 29 batches of products from 20 cement production enterprises were selected in the production field, and 23 batches of products from 15 cement distributors were selected in the circulation field.
According to the requirements of GB 175-2007 and other standards, the loss on ignition, sulfur trioxide, magnesium oxide, chloride ion, setting time, stability, strength, water consumption for standard consistency and mortar fluidity of cement products were tested. No unqualified items were found
in this spot check.