Name: SODIUM GLUCONATE
SKU: 2276
Availability: InStock

SODIUM GLUCONATE

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Categories: ADMIXTURE, CONSTRUCTION CHEMICALS

Description

Description

Sodium Gluconate is not a common term for construction chemicals; however, sodium gluconate, a chemically similar salt, is widely used in the construction industry as a concrete admixture. Sodium gluconate acts as a water reducer and retarder, improving workability, controlling setting time, and enhancing the durability and strength of concrete. A different, less common application is the use of monosodium glutamate (MSG) as a corrosion inhibitor for steel in concrete, as studied in a Nature article.

Sodium gluconate in concrete

Water reducer:

Reduces the amount of water needed for a specific concrete slump, which leads to higher strength and durability.
Retarder:

Slows down the setting time of concrete, which is especially useful in hot weather or for large pours where extra working time is needed.
Corrosion inhibitor:

Can help protect reinforcing steel from corrosion.
Workability:

Improves the consistency of the concrete, making it easier to mix, place, and finish.

Monosodium glutamate (MSG) as a corrosion inhibitor

Mechanism:

A study in Nature investigated using monosodium glutamate (MSG) as a corrosion inhibitor for steel in concrete, finding that adding about 4% of MSG could reduce corrosion by up to 86% by creating a protective layer on the steel.
Application:

This is a less common or still experimental use compared to the widespread use of sodium gluconate.

Clarification

The term “sodium glutamate” can cause confusion. The chemical commonly used in construction is sodium gluconate, not the food additive monosodium glutamate (MSG).
However, research has explored the potential of using monosodium glutamate (MSG) to prevent corrosion in concrete, though this is not its primary or common application.