Confirmed to meet quality standards through official test results! Reliable construction techniques and a wealth of experience.
The "Anti-Corrosion Lining Method" is a technique where a crystal lining material is applied and then topped with a crystal lining topcoat. It can also be implemented in construction environments (high humidity, wet conditions) during repairs of existing pipeline facilities (manholes, conduits, etc.). It complies with the quality standards of the Japan Sewerage Agency's "Manual for Corrosion Control Technology and Anti-Corrosion Technology for Sewer Concrete Structures," specifically for the coating-type lining methods (Type C) and (Type D). 【C Type Quality Standard Test Results (Excerpt)】 ■ Appearance of the coating: No wrinkles, unevenness, peeling, or cracking observed. ■ Adhesion to concrete: - Standard condition: 2.7 N/mm² - Water absorption condition: 2.6 N/mm² ■ Acid resistance: No blistering, cracking, softening, or leaching observed in the coating. ■ Depth of sulfur intrusion: - 4% relative to the design thickness - Intrusion depth: 38 μm *For more details, please refer to the PDF document or feel free to contact us.
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**D-Type Quality Specification Test Results (Excerpt)** ■Appearance of Coating: No wrinkles, unevenness, peeling, or cracking observed on the coating ■Adhesion to Concrete - Standard Condition: 2.7 N/mm² - Water Absorption Condition: 2.7 N/mm² ■Acid Resistance: No blistering, cracking, softening, or leaching observed on the coating ■Sulfur Penetration Depth - 1% relative to design thickness - Penetration Depth: 30 μm *For more details, please refer to the PDF document or feel free to contact us.*
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【Construction Examples】 ■ Pumping Pit ■ Large-Diameter Pipeline ■ Manhole with Wear and Deterioration Due to Flow (Converging Route) ■ Rusted Reinforcement Treatment and Corrosion-Resistant Lining in Culvert (Longevity) ■ Manhole *For more details, please refer to the PDF materials or feel free to contact us.
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The Crystal Lining Method Association primarily engages in projects addressing the aging of sewer facilities. It is composed of 117 companies in Japan and 2 overseas, along with 630 specialized technicians, and has a solid track record spanning 20 years. Given the dramatically increasing importance of infrastructure maintenance and management, the Crystal Lining Method Association aims to continue contributing to the sewer business in our country.