What is the freezing point of a 50% aqueous solution of ethylene glycol?
Ethylene glycol-Water type, because ethylene glycol has a high boiling point, it is not suitable for evaporation loss during use, and the freezing point is low, reaching -50°C when the water content i…
Kain Chemical: What are the ingredients of hot melt adhesive?
Simply put, EVA hot melt adhesive is a solid meltable polymer that does not require solvents and does not contain moisture. It is solid at room temperature and melts when heated to a certain temperatu…
What is the preparation method of powder polyurethane hot melt adhesive?
Powdered polyurethane hot melt adhesive is formulated by mixing thermoplastic polyurethane resin with additives such as colorants, plasticizers, stabilizers, and curing agents, providing an economical…
The Past and Present of Adipic Acid Synthesis Process_Kain Industrial Additive
As the basic building block of a variety of chemical products, adipic acid is by far the most important aliphatic dicarboxylic acid in industrial production[1], with approximately 300 production world…
[Kain Iron Army] will comprehensively promote the development of the chemical industry Internet platform
The rapid development of the industrial Internet is giving rise to the digital transformation of the chemical industry. Since its establishment 13 years ago, Kain has been adhering to its original int…
One tip to teach you how to choose the type of concrete water-reducing agent
There are many varieties of concrete water-reducing admixtures, but they are indispensable in the actual production process. Although the amount of admixtures in concrete is small, they play an import…
There are many types of concrete admixtures, but these are the most commonly used ones.
Concrete admixtures can improve and adjust the properties of concrete and are also one of the indispensable components of concrete. Their use is an important method and technology for modifying concre…
How much influence does the choice of concrete admixtures have on the performance of concrete?
In order to meet the demand for concrete due to my country’s economic development, concrete admixtures were born. Admixtures have become indispensable raw materials in concrete, which can signif…
How to improve the performance of water reducing agent to prevent collapse?
Currently, the commonly used water reducing agents in our concrete industry are naphthalene series, aliphatic series, and naphthalene series composite type. The main principle of water reducing agent …
Regarding the research on the synthesis and performance of first-ester method and post-ester method water-reducing agent
It is a high-efficiency concrete water-reducing agent. It was first developed and applied by Japan in the 20th century and was industrialized in the 1990s. It can improve the strength of concrete; or …
