Lithium nitrite aqueous solution enhances rust prevention effects by replacing part of the mixing water with Repro Liquid R-40 during the mixing of repro mortar.
We propose a cross-section repair method called "Reprocrete Method." Repro Liquid-R40 is a lithium nitrite aqueous solution. When added to the cross-section repair material "Repro Mortar AZ," it complies with the "NEXCO Structural Construction Management Guidelines for Performance Verification by Plastering Method!" By replacing part of the mixing water with Repro Liquid-R40 during the mixing of Repro Mortar, the rust prevention effect is enhanced. <Features> 1. Workability ● It is easy to handle as it can be used simply by replacing part of the mixing water during the mixing of Repro Mortar. 2. Rust Prevention ● The nitrite ions contained in Repro Liquid-R40 chemically react with the surface of the rebar, forming a passive film that exhibits rust prevention effects. 3. Strength ● By replacing part of the mixing water of Repro Mortar with Repro Liquid-R40, the reduction in water leads to an improvement in various strengths, including compressive strength.
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basic information
【Usage Amount】 The usage amount should be determined by the amount of chloride ions in the repair target. Example) Usage amount when adding 55kg/m2 of lithium nitrite ■Per bag Repro Mortar AZ: 25kg Repro Liquid-R40: 1.8kg Water: 2.6 to 3.2kg ■Per m2 Repro Mortar AZ: 1875kg (75 bags) Repro Liquid-R40: 138kg Water: 195 to 240kg
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P2
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Applications/Examples of results
【Instructions】 ■ For Hand Mixer ● Measure water and Repro Liquid-R40, and pour them into a mixing container such as a pail. ● Add Repro Mortar and mix for more than 3 minutes to avoid lumps. ■ For Mortar Mixer ● Measure water and Repro Liquid-R40 in a measuring cup and mix them. ● After dry mixing the Repro Mortar, gradually add the Repro Liquid-R40 mixed water and mix for more than 3 minutes to avoid lumps.
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Company information
Since our establishment in 1958, we have diligently continued research and development of release agents for concrete, while also setting up branches, sales offices, and factories across Japan to provide our customers with faster service. In addition to concrete release agents, we have also internalized the production of concrete repair materials and concrete paints, further expanding our business scope to include cross-section repair materials. Thanks to this effort, our products have gained the trust of our customers and are used in almost all concrete secondary product factories in Japan, and we have begun exporting to countries such as South Korea, Taiwan, and China. We aim to be an advisor who can provide not only products but also knowledge and technology, and we will continue to challenge ourselves with difficult issues. Moving forward, we are passionate about research and development and technological innovation to meet the diverse needs of our customers, and we hope to contribute to the improvement of social infrastructure.