What are the regulations on the representative batch size of concrete admixtures?
1. Concrete admixtures based on the GB8076 standard of “Concrete Admixtures”: each number of the same type of admixture with a content of ≥1% is 100 tons, and each number of admixtures wit…
5 homes! 2023 Zhejiang Provincial Chemical Industry Park Review and Certification (Fourth Batch) Passed List
Recently, the Zhejiang Provincial Department of Economy and Information Technology and six other departments announced the list of those who have passed the review and certification of chemical indust…
Announcement of Xinjiang’s plan to pass certification of chemical industry parks (the fourth batch )
On October 24, the Department of Industry and Information Technology of the Xinjiang Uygur Autonomous Region issued an announcement that the Xinjiang Uygur Autonomous Region plans to pass the certific…
Shandong launches third round of first batch of provincial ecological and environmental protection inspections
Recently, the first mobilization meeting for the inspection of Shandong Energy Group Co., Ltd. by the first ecological and environmental protection inspection team of Shandong Province was held, marki…
Research and analysis on the impact of batch addition of concrete retarder on collapse retention in summer
In summer, adding a certain amount of retarder to concrete can improve the collapse resistance and quality. Regarding the impact of adding retarder in batches in summer on collapse retention, the edit…
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