How to calculate how much water reducing agent is used for one cubic meter of concrete?
What is the main component of the water-reducing agent? Lignin sulfur calcium (agent) is generally 0.2%~0.5%. Naphthalene-based water-reducing agent is generally 0.5%~0.75 % Water-soluble water-solubl…
How many years can a concrete truck-mounted pump generally be used? Yunnan concrete pump truck lubricant manufacturer Guizhou lubricant formula
With the increase in rural and urban construction, more and more people are beginning to invest in concrete mixing stations. Investing in mixing stations is definitely inseparable from one piece of eq…
Can concrete pipe moisturizer be used as a waterproof adhesive? Jiangxi pipe lubricant manufacturer Anhui pump truck pipe lubricant raw materials where to find
Concrete moisturizing agent cannot be used as a waterproof adhesive. The ingredients are different. Summary: The pump truck and pipelines of ready-mixed concrete must be moistened and lubricated befor…
What role do concrete admixtures play, and can they be used without them?
Concrete admixtures include: 1. Admixtures that improve the performance of concrete mixtures and workability, including various water reducing agents, air entraining agents and pumping agents; 2. Admi…
Tell you the commonly used testing methods for the retarding time of concrete retarder
In fact, the current evaluation method for the retarding effect of concrete retarder is still relatively limited, mainly the measurement of retarder setting time and setting time difference. 1. For cl…
The difference between retarder and accelerator, and under what circumstances should they be used?
Accelerating setting agent Accelerating setting agent is an admixture that can quickly set and harden concrete. The main types of accelerators are inorganic salts and organic substances. The commonly …
If 100 cubic meters of concrete plus retarder requires a retarding time of 6 hours, how much retarder should be used?
The dosage of retarder should be determined based on experiments. For example: Calculated based on four ten thousandths of the cementitious material, assuming 400*0.0004=0.16kg/m3 Then 100 cubic meter…
Are concrete retarder and early strength agent mutually exclusive? Why should they be used?
Concrete retarder delays the initial setting time of concrete, that is, it inhibits the hydration rate of cement. Early strength additives increase the hydration rate and facilitate the early improvem…
The difference between acetonitrile and methanol used in HPLC_Kain Industrial Additive
1. First of all, the price of acetonitrile is high The price of acetonitrile, especially HPLC grade, is very high. However, according to the conditions shown in the literature or LC manufacturers, ace…
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