An experiment on the shelf life of filter glue
There are many filter glue manufacturers on the market. In the filter glue industry, because there is no industry-implemented labeling, the quality is also uneven. Products from different manufacturer…
Effect of retarder on concrete setting time Experiment instructions
Industrially: Retarder is a new type of concrete admixture. There are a large number of hydroxyl and carboxyl groups in its molecular structure, which can form stable complexes with free Ca 2+ in the …
Routine inspection of early-strength superplasticizer and internal inspection of raw materials before experiment
According to professionals: In actual industry, routine testing of early-strength water-reducing agents is required, mainly including: solid content, density, fineness, PH value, surface tension, chlo…
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