One-material type cross-section repair spray mortar 'Repair Mix J1' technical documentation
We will introduce technical materials on the characteristics of "Repair Mix J1," its fresh properties, the physical properties of the drop mortar, adhesion strength, and performance verification.
The spray application method for sectional repair requires a spraying technology 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 outstanding filling properties for the back of rebar. 【Features】 - Excellent pumpability, allowing for large-scale spraying of 0.8 m³/h. - Maintains long pumpability for over 45 minutes even in summer. - Demonstrates initial strength development and high adhesion. - Superior filling ability for the back of rebar. - High peel-off resistance due to 0.3 vol. reinforcing fibers. - Good finishing properties for plastering 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** Mixing involves placing pre-measured water into a bucket and operating a hand mixer while adding one bag (25 kg) of 'Repair Mix J1' powder, mixing for 3 minutes. ● Relationship between Water Amount and Mortar Slump / 15-Blow Flow Water Amount (bags × %) / Mortar Slump (mm) / 15-Blow 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-Blow 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 for further information.
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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.
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Tokuyama M-Tech Co., Ltd. not only engages in the manufacturing, development, processing, and sales of construction materials from the perspective of those who actually perform the work, but also responds to a wide range of requests in environmental-related businesses and various industrial sectors. 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. On the other hand, efforts are being made to create compact and ecological towns in response to the declining birthrate and aging population. We at Tokuyama M-Tech aim to be a construction materials manufacturer that contributes to the creation of the safest and most comfortable towns in Japan, advancing daily with innovative ideas and bold actions. We appreciate your guidance and encouragement.
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