[Existing Specialized] Effective even with neutralized concrete (solving issues related to reactive types). Please make use of it for surface coating and substrate modification in cross-section repair.
L-OSMO Solidification Type KK" is a solidification-type lithium silicate surface impregnation material that contributes to the preventive maintenance and longevity of existing concrete structures. It is effective for concrete surfaces that have become neutralized, where conventional silicate-based surface impregnation materials cannot be applied. By densifying the concrete surface and sealing cracks of 0.2mm or less, it suppresses the progression of deterioration and reduces lifecycle costs. There is no change in appearance after application, and any deformation of the concrete can be visually confirmed. Reapplication is easy, and it can be used in conjunction with other methods. Preventive maintenance and longevity measures can be achieved on a low budget. No special qualifications are required, and it allows for quick and easy application. By modifying the substrate concrete with "L-OSMO Solidification Type KK," and then applying surface coatings and cross-section repair materials, it is also effective for extending lifespan by providing double protection to the concrete surface and its exterior (both inside and outside). It is also effective in areas with low applicability of silane-based surface impregnation materials, such as water accumulation spots and crack areas. *Due to the increase in product lineup in 2023, the name has been changed from "OSMO-KK" to "L-OSMO Solidification Type KK.
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basic information
【Product Overview】 (JSCE-K572 Test Data according to Civil Engineering Society Standards) ■ Type: Solidification type ■ Main component: Lithium silicate ■ Number of applications: 2 times ■ Standard application amount: 300g/m2 ■ Dry solid content ratio: 19.4% ■ Dry solid amount: 58g/m2 ■ Density (specific gravity): 1.100–1.180g/cm3 ■ pH value: 11.2–12.0 ■ Color: Colorless and transparent ■ Penetration depth: 3mm ■ Neutralization depth suppression rate: 23% ■ Chloride ion penetration depth suppression rate: 30% ■ Water permeability suppression rate: 73% ■ Water absorption suppression rate: 27% ■ Mass loss suppression rate: 45% ■ Crack water permeability suppression rate: 97% ■ Pressurized water permeability suppression rate: 72% ■ Water permeability suppression rate in neutralized concrete: 71% ■ Construction and curing: Dry condition ■ Storage: Environment avoiding direct sunlight at 5–40°C ■ Patents: Patent No. 4484872, Patent No. 7311215 ■ NETIS: HK-070015-V (discontinued technology) *For more details, please refer to the PDF materials or feel free to contact us.
Price information
Design price: Material and labor 3,500 yen/m2 (Construction price book page 832; Estimation data publication price version page 266)
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Applications/Examples of results
- Preventive maintenance and longevity of existing concrete structures - Please utilize for countermeasures against carbonation, salt damage, freeze damage, and composite deterioration. [Examples of applicable structures] Bridges, tunnels, snow shelters, box culverts, waterways, sluice gates, water purification plants, concrete paved roads, multi-story parking lots, public buildings, airport facilities, port facilities, concrete secondary products, etc. - Effective for water exposure and crack areas as well The effectiveness of the modification has been confirmed through pressure permeability tests and crack permeability tests. [Examples of water exposure on structures] Beam support areas, electric pole support beams, handrail covering areas, cantilever slabs, floor slab crack areas, abutment beam support areas, tunnel entrances, culvert box side surfaces. - Improvement of the quality of inorganic surface coating materials A method of applying [L-OSMO solidified type KK] on the surface of polymer cement mortar. - Modification of base concrete (substrate modification) Combination of solidified silicate-based surface impregnation method and surface protection method. A method using [L-OSMO solidified type KK] as a substrate modifier for surface protection methods (surface coating and cross-section repair). *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Rinac OSMO Co., Ltd. is a leading company that has developed a solidified lithium silicate-based concrete surface impregnation agent, L-OSMO Solidified Type KK, which has been confirmed to be effective with neutralized concrete for the first time in Japan (Patent No. 4484872). L-OSMO Solidified Type KK is also a pioneer in the field of concrete modification materials. As the importance of infrastructure maintenance increases, we have developed a solidified silicate surface impregnation agent that can be combined with various surface protection materials (Patent No. 7311215). The unique feature of densifying and modifying the concrete surface layer (a few millimeters from the surface) extends the lifespan of concrete structures. [August 2023 Company Name and Product Name Change] Rinac Yachiyo Co., Ltd. → Rinac OSMO Co., Ltd. OSMO Series → L-OSMO Series OSMO → L-OSMO Reactive Type SG OSMO-XP → L-OSMO Reactive Type XP OSMO-KK → L-OSMO Solidified Type KK