Influencing factors and quality control of foam concrete strength
Foam concrete refers to the foaming agent’s foaming system that introduces air or nitrogen, carbon dioxide, oxygen and other gases into concrete through chemical or physical means according to a…
Hong Kong passes legislative amendments to control single-use plastic products in phases
On October 18, the Legislative Council of the Hong Kong Special Administrative Region passed the “Product Environmental Responsibility (Amendment) Bill 2023” on the third reading to regula…
Qualification and control points of polyurethane foaming technology
In recent years, Polyurethane foaming technology is constantly improving and can produce better quality foaming agents. However, there are some key points that need to be mastered in order to control …
How to control the addition ratio of cross-linking agent?
When using cross-linking agents, what is the appropriate proportion? Because this material itself is very adaptable and can be added to many different materials, the issue of proportion is not necessa…
[Sorbitol Supply and Purchasing] Sorbitol can be used as a moisture control agent in some foods
Sorbitol, also known as sorbitol. It is white hygroscopic powder or crystalline powder, flakes or granules, odorless. Depending on the crystallization conditions, the melting point changes in the rang…
Prevention and control of bleeding and segregation
Having been engaged in the concrete industry for many years, bleeding and segregation phenomena are often encountered. The cyclic changes caused by the constant changes in cement and admixtures are no…
Strengthen the control of concrete production, transportation and construction processes
When producing concrete, the mixing time for strength levels below C40 should not be less than 35 seconds, and the mixing time for strength levels C40 and above should not be less than 1 minute. If th…
How to effectively control the water reduction rate and mix ratio of concrete admixtures
You can refer to GB8076, which has detailed mix ratios, experimental methods, and evaluation standards, which can help you very well. Mix ratio The benchmark concrete mix ratio is designed according t…
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