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…
What precautions should be taken when adding coagulant during concrete pumping?
(1) Pay attention to the mutual adaptation with the cementitious material system. For different cementitious material systems, they can show different condensation and hardening properties, and they a…
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…
Basic knowledge that must be mastered in the concrete admixture industry
First, the dosage is less than or equal to 5% of the weight of cement. This means that the dosage of concrete admixtures must not be greater than 5% of the weight of cement. Based on this definition, …
After the pump truck is blocked, what should be done correctly?
As a widely used concrete transportation tool, pump trucks have been welcomed by the majority of construction companies. However, during the use of the pump truck, not everyone knows how to use the li…
What small ingredients should be added to the admixture to resist mud?
This new type of concrete mud inhibitor is popular in the market. This product should be a small molecular carbon molecular sieve, which can be adsorbed on the surface of clay particles first, neutral…
Chongqing Huafeng’s nylon 66 integrated project has entered the trial production stage and is expected to be officially put into production in February next year
On October 8, Chongqing Huafeng’s third-phase integrated nylon 66 project with an annual output of 300,000 tons entered the trial production stage and is expected to be officially put into production …
Is pump lubricant not allowed to be used on floor pumps? Fujian pump truck lubricant manufacturer
The cleaning work of the vehicle pump pipe is better than that of the ground pump pipe, and the sealing performance of the two is very different. Lubricating agent is superior to lubricating mortar in…
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