One-material type cross-section repair spray mortar 'Repair Mix J1' technical documentation
We will introduce technical materials on the characteristics, freshness properties, falling mortar physical properties, adhesion strength, and performance verification of "Repair Mix J1."
The spray application method for sectional repair requires a spraying technique that is easier to work with and more economical. "Repair Mix J1" is a one-component spray mortar for sectional repair that has excellent pumpability and superior filling ability behind rebar. 【Features】 - Excellent pumpability, allowing for large-scale spraying of 0.8 m³/h. - Maintains long pumpability for over 45 minutes even in summer. - High initial strength development and strong adhesion. - Excellent filling ability behind rebar. - High spalling resistance due to 0.3 vol. reinforcing fibers. - Good finishing properties after spraying. - High-performance polymer cement mortar can be produced with just water mixing, making quality control easy. *For more details, please contact us or download the PDF materials for review.
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**Fresh Properties** To mix, pour the pre-measured water into a bucket and while operating a hand mixer, add one bag (25 kg) of 'Repair Mix J1' powder and mix for 3 minutes. ● Relationship between Water Amount and Mortar Slump / 15-Pound Flow Water Amount (bags × %) / Mortar Slump (mm) / 15-Pound Flow (mm) 13.3 / 35 / 145 13.8 / 45 / 153 14.3 / 56 / 165 *Standard Water Amount Rate: 13.8% ± 0.5% *Test Conditions: Temperature 20°C, Humidity 60% *Mortar Slump 15-Pound Flow: JIS A 1171 (Test Method for Polymer Cement Mortar) ● Relationship between Ambient Temperature and Setting Time Ambient Temperature (°C) / Water Amount (bags × %) / Unit Volume Mass (g/cm³) / Setting Time (hours: minutes) 20 / 13.8 / 1.95 / 2:10, 4:50 *Unit Volume Mass / Setting Time: JIS A 1171 (Test Method for Polymer Cement Mortar) *For more details, please contact us or download the PDF document to view.
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Performance Verification in Each Company's Standards ●West Japan Railway Company ●East Japan Expressway Company ●Central Japan Expressway Company ●West Japan Expressway Company ●NEXCO *For more details, please contact us or download the PDF document to view it.
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Tokuyama M-Tech Co., Ltd. not only manufactures, develops, processes, and sells construction materials from the perspective of those who actually work with them, but also responds to a wide range of requests in environmental-related businesses and various industrial fields. Addressing the deterioration of social infrastructure over time and preparing for frequent large-scale earthquakes are the most important challenges facing the construction industry in our country. Meanwhile, urban development that is compact and eco-friendly is being considered in response to a declining birthrate and an aging society. At Tokuyama M-Tech, we aim to be a construction materials manufacturer that contributes to creating the safest and most comfortable cities in Japan, and we strive daily with innovative ideas and bold actions. We appreciate your guidance and encouragement.