A superplasticizer is a concrete additive that increases the workability of concrete while also reducing its water content. This makes it easier for workers to mix, pour and finish the concrete, as well as reduces the risk of cold joints in the finished product. In addition, the added admixture will improve the strength of the concrete.
Superplasticizers are made up of water-soluble polymer molecules. When mixed with concrete, these molecules attach to the surface of the cement particles. This creates an ionic bond between the molecule and the cement grains. It also reduces steric hindrance, which is the constraint caused by intra or inter-molecular interactions within the molecule.
The global market for concrete superplasticizers is growing rapidly. This is mainly due to the high demand for ready-mix concrete (RMC) in construction projects worldwide. The demand for RMC is expected to increase further with the development of various infrastructure projects in the near future.
In order to meet the growing demand for RMC, companies are focusing on manufacturing superior quality concrete with the help of advanced technologies. Superplasticizers are among the essential ingredients used in RMC. These chemicals are responsible for transforming low-slump and stiff concrete into a flowable, smooth material. They also assist in lowering the w/c ratio and help reduce shrinkage cracking tendencies of the hardened concrete.
Fritz-Pak’s KEM SUPLAST 101 S is a sulphonated naphthalene formaldehyde based superplasticizer that provides the following benefits:
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