キーパース List of Products and Services

Mighty CF is an inorganic rust prevention material. It can be used as a rust prevention material for all steel structures, including steel legs, steel girders, steel floor slabs, and reinforcing bars, as well as architectural steel structures. In a case where a fishing pier extending 300 meters into the sea in Shimonoseki was newly painted 26 years ago, it has maintained its rust prevention function sufficiently without any major repairs. The application method is similar to general painting techniques; after performing a type three surface preparation, it is applied by spraying, brushing, or rolling. Generally, it is applied in three coats at a rate of 1.5 kg per square meter, followed by a topcoat. In cases where light rust prevention is sufficient, a topcoat may be applied at a rate of 1.0 kg per square meter. It is registered with the Ministry of Land, Infrastructure, Transport and Tourism's NETIS, and there are over 1,000 construction achievements, making it a reliable rust prevention material.

• Anti-rot, anti-termite, anti-mold material
• Steel structure construction
• Foundation construction

"Naoshi Tar N" is a premixed type of mortar for sectional repair that does not use polymers and can be used by adding a specified amount of water and mixing it during use. It can be applied using spray application methods, and spraying is possible on the first floor at heights exceeding 10 cm. For surface finishing, trowel finishing can be performed, allowing for a typical concrete surface finish. As an example of use, it can be applied without using formwork during RC thickening construction, making it cost-effective and allowing for quick application. It is a non-polymer resin mortar with excellent thixotropic properties, enabling easy flat finishing with trowel work, while not causing sagging during spraying.

• Mortar and plaster materials
• Bridge Construction
• Plastering and painting work

The Mighty CF-SP method involves installing a polycarbonate disposable formwork around the outer circumference of a steel pipe pile, and injecting a resin mortar-based anti-corrosion material mixed with salt harmlessness materials into the approximately 5mm gap between the formwork and the steel pipe pile, which is made of an inorganic anti-corrosion material called Mighty CF, and then solidifying it. This method is also registered as a new technology by the Tokyo Port Authority and is a cost-effective and simple anti-corrosion method for the splash zone of steel pipe piles. For details, please contact us as the construction site varies depending on the size of the steel pipe pile and the tidal level difference.

• Special Construction Method

It fundamentally and long-term prevents salt damage due to the following features that cannot be achieved by other rust prevention methods. By adsorbing and neutralizing residual salt, as well as absorbing salt that has intruded after repairs, it enables a fundamental approach to salt damage prevention. Furthermore, it can also prevent macrocell corrosion caused by residual salt after repairs.

• Other civil engineering works
• Renovation and repair methods
• maintenance

In the case of large bridge piers, a weight of about 20 kg is struck, and for frame structures, measurements are taken using a plastic hammer or similar tools. The seismic response spectrum is recorded using multiple small microphones, and mathematical processing is performed on a computer to produce results. This result is compared in a database to determine the health of the structure, making it a quantitative non-destructive testing method. It is a lightweight and easy-to-use device consisting only of a computer and microphones, capable of measuring the structural integrity with high precision and quantitatively.

• Other construction services
• maintenance
• Non-destructive testing