Hanil Cement Receives Certification for First-Milk Concrete Technology

Reducing the Impact of Fines
for Stable Initial Strength

Hanil Cement announced on July 14 that the “First-Milk Concrete” technology, co-developed with Hanil Industry, has received Technical Performance Certification in the field of architectural and construction materials from the Architectural Institute of Korea.

Certificate of Technical Performance for Virgin Concrete Technology by Hanil Cement Hanil Industry. Hanil Cement

The certified technology is titled “First-Milk Concrete Technology That Maintains Long-Term Flowability by Improving Aggregate Fines Sensitivity Using Low-Molecular CMA and a Flowability Modifier.”

Conventional ready-mixed concrete often suffers from reduced quality when aggregates such as sand and gravel contain a high amount of fines (fine particles). The newly certified technology reduces the impact of fines, preventing material segregation within the concrete mix and enabling the stable development of initial strength in structures.

First-Milk Concrete is a product developed by combining Hanil Industry’s admixture blending technology with Hanil Cement’s cement material expertise. Its key feature is the ability to maintain flowability for up to three hours after production, even during peak summer temperatures averaging 35 degrees Celsius. In comparison, standard concrete typically must be poured within 90 minutes, so the workable time is more than doubled. This makes it especially useful for urban construction sites with frequent traffic congestion or for projects requiring long-distance transport. Another advantage is that the mix can be adjusted by season to ensure stable quality year-round, regardless of climate conditions.

An official from the Hanil Cement Technology Research Center said, “This certification objectively recognizes our technological capability to solve quality issues at construction sites. We will continue to develop a variety of solutions to actively respond to the needs at construction sites.”

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