MSF (Melamine Sulfonate)
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Melamine Sulfonate is a high-range water-reducing and plasticizing additive that can reduce the water content of the concrete by up to 40%. It is derived from melamine and works by decreasing the surface tension of the water and improving the dispersion of the cement particles.
Melamine Sulfonate works very well in Calcium Sulfate systems, significantly improving flow without retardation. It has a much lighter color than Lignin or PNS and is often used when aesthetics count. It can improve the strength and durability of the concrete by reducing the amount of water required to achieve a certain level of workability.
The following acronyms are often used on product labels and technical data sheets of concrete admixtures that contain Melamine Sulfonate Formaldehyde salts. These include MSF, which stands for Melamine Sulfonate Formaldehyde, while MF stands for Melamine Formaldehyde. SMF stands for Sulfonated Melamine Formaldehyde, and MSMF stands for Modified Sulfonated Melamine Formaldehyde.