The corrosion protection system that protects concrete structures from environments containing a mixture of organic and inorganic acids is called "Bill Pit Guard."
Recent changes in lifestyle have led to an increase in the concentration of organic acids (such as fatty acids, acetic acid, lactic acid, propionic acid, etc.) in wastewater, along with higher inflow temperatures, which have become factors in the corrosion of concrete facilities. Traditionally, corrosion prevention for concrete has been achieved by coating the concrete surface with a lining material that meets the quality standards specified in the corrosion prevention technology manual by the sewerage corporation. However, the current quality standards set by the sewerage corporation focus on resistance to sulfuric acid (inorganic acid) derived from hydrogen sulfide gas, and do not address resistance to organic acids. It is explicitly stated in the manual that the effectiveness against organic acids and similar substances has not been considered. Additionally, various cleaning agents and chemicals such as hypochlorous acid and sodium hypochlorite are mixed with organic acids in these building pits. As a result, significant corrosion of the corrosion protection layer due to organic acids has been reported, particularly in the liquid phase and especially in the water intake areas of building pits. Under such conditions, the 'Building Pit Guard' corrosion prevention system demonstrates excellent corrosion resistance performance.
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basic information
1. It has excellent corrosion resistance to organic acids (acetic acid, formic acid, butyric acid, lactic acid, propionic acid) that cannot be addressed by standard anti-corrosion epoxy resins. 2. The Bilpit Guard anti-corrosion system can demonstrate sufficient anti-corrosion performance without layering glass cloth, allowing for significant reductions in construction time compared to traditional glass cloth methods, especially in complex areas and confined spaces. 3. By combining silicate-based waterproofing specifications and polymer cement-based coating waterproofing specifications, we propose waterproofing and anti-corrosion specifications that prevent blistering and peeling due to back pressure from the exterior of the structure, as well as waterproofing and anti-corrosion specifications that cushion substrate cracks and prevent cracking in the anti-corrosion layer. Back Pressure Resistant Waterproofing and Anti-Corrosion Specifications Waterproofing and anti-corrosion specifications that prevent blistering and peeling due to back pressure from the exterior of the structure. Substrate Crack Cushioning Waterproofing and Anti-Corrosion Specifications Waterproofing and anti-corrosion specifications that cushion substrate cracks and prevent cracking in the anti-corrosion layer. 4. We hold training sessions aimed at improving knowledge and skills and standardizing construction practices, organized by the Japan Selinor Waterproofing Business Cooperative, and conduct certification exams, issuing BPG anti-corrosion specialist certification to successful candidates to enhance construction management.
Price range
P2
Delivery Time
P4
Applications/Examples of results
New Tokyo Police Hospital New Construction Project: Miscellaneous Drainage Tank and Sewage Tank Yurakucho Station Front Redevelopment: Miscellaneous Drainage Tank and Sewage Tank, etc. Tachikawa Legal Affairs Comprehensive Building Construction Project: Miscellaneous Drainage Tank and Sewage Tank, etc. Nisseki Hiroo Hospital: Sewage Tank Toyosu 3-chome 9-2 Block Plan: Disposer Tank, etc. Skytree East District Underground Pit, Sewage Tank, Kitchen Drainage Tank
Detailed information
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Pinhole Inspection Using Black Light Irradiation This system involves irradiating the coated surface with a black light, which causes the surface to appear bluish-white if there are pinholes, uneven application, or insufficient coating thickness. By ensuring reliable construction and site management through this system, it completely blocks organic and inorganic acids from the concrete structure. Additionally, it serves as a guideline for assessing the deterioration of the protective layer, allowing for the determination of renovation timing.
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Company information
Supported by a solid foundation of trade cultivated over many years, we engage in the import and export of a wide range of products, including automobiles, machinery, and electrical and electronic equipment, as well as trilateral trade and domestic sales. ○Planning and Organization We facilitate technology transfer and partnerships, and engage in joint ventures and their planning with domestic and international companies, as well as commercialization. ○Financing We provide funding and various forms of support during import and export activities and joint ventures. ○Consulting and Marketing We offer consulting and marketing services related to all aspects of these businesses.