Overview
Non-shrink high-strength grout is a precision-engineered construction material designed to provide structural support without volume reduction during curing. Developed as an alternative to traditional concrete for critical applications, it typically comprises Portland cement, fine aggregates, and proprietary shrinkage-compensating additives. The material achieves 80-90% of its final strength within 24 hours, significantly faster than conventional concrete. Unlike standard grouts, this formulation incorporates expansive agents that counteract natural shrinkage, ensuring tight contact with substrates. Major international standards like ASTM C1107 and EN 1504-6 govern its performance requirements. Its primary value proposition lies in combining rapid strength development with dimensional stability, making it indispensable for load-bearing installations.
Physical and Chemical Properties
The grout exhibits a typical water-to-powder ratio of 12-14% by weight, yielding a flowable consistency with 250-300mm slump flow. Its expansion characteristics are carefully calibrated—generally 0.01-0.02% under restrained conditions as per ASTM C827 testing. The hardened material achieves compressive strengths of 50-80 MPa at 28 days, with some formulations reaching 30 MPa within 4-6 hours. Chemical resistance varies by formulation, but most products withstand pH 3-11 environments and chloride ion penetration below 1000 coulombs (ASTM C1202). The alkaline nature (pH ~13 when fresh) necessitates proper handling. Thermal properties include low coefficient of thermal expansion (8-12 x 10^-6/°C), reducing stress in temperature-varying applications.
Main Applications
In industrial settings, this grout is preferred for mounting heavy machinery like turbines and presses where vibration resistance and precise leveling are critical. It compensates for minor foundation irregularities while distributing dynamic loads evenly. Infrastructure projects use it for bridge bearing pads, rail track bed repairs, and seismic retrofitting of concrete columns due to its energy absorption capacity. The construction sector employs it for dowel bar grouting in precast panels and repairing spalled concrete in parking structures. Recent innovations include underwater applications (with anti-washout additives) and 3D-printed construction joints. Compared to epoxy alternatives, cement-based grouts offer better fire resistance and lower cost for large-volume pours.
Safety and Storage
Unhardened grout poses alkaline burns risk—always wear nitrile gloves and eye protection when mixing. Provide adequate ventilation in confined spaces to prevent dust inhalation. First aid measures include flushing skin/eyes with water for 15 minutes and seeking medical attention for persistent irritation. Storage requires dry conditions below 30°C with relative humidity under 60%. Opened bags should be used within 24 hours or discarded, as moisture absorption causes premature setting. Shelf life in original packaging is typically 6 months from manufacture. Never use hardened lumps in the bag, as they indicate moisture contamination and compromised performance.
B2B Procurement Guide
For bulk procurement (20+ tons), request mill test reports verifying compliance with relevant standards. Key parameters to specify: 24-hour compressive strength (>30 MPa), bond strength (>1.5 MPa), and chloride content (<0.1% by cement weight). Just-in-time delivery is recommended to minimize storage time. Consider project-specific needs: offshore applications may require low-permeability grouts with corrosion inhibitors, while winter construction demands cold-weather formulations with antifreeze additives. Reputable manufacturers provide technical support for mix design adjustments. Bulk pricing typically decreases 8-12% for orders exceeding 50 tons, with additional savings for self-pickup from regional distribution centers.
Related Manufacturers
- 主营：[]
- 主营：美缝胶、腻子粉、耐磨砂浆、灌浆料、砂浆瓷砖、灌浆材料、粉刷石膏、地面砂浆、支座加固、瓷砖铺贴胶、强力瓷砖胶、石膏基层剂、砂浆界面剂、瓷砖专用胶、墙面抹灰料、耐水瓷砖胶、混凝土加固、环保耐水腻子、钢结构混凝土、陶瓷砖粘结剂、快干防水砂浆、防水抗渗砂浆、地面抗裂砂浆、混凝土修补剂、桥梁支座设备
- 主营：环氧胶泥、粘钢胶、植筋胶、灌浆料、碳布胶、环氧灌浆树脂胶、聚合物防水砂浆、聚合物修补砂浆、环氧树脂砂浆、混凝土灌缝胶、界面剂、新旧混凝土界面结合胶、环氧树脂乳液水泥砂浆、丙乳砂浆、灌注粘钢胶、混凝土回弹增强剂、起砂处理剂、环氧修补砂浆、环氧树脂胶泥、水泥基渗透结晶防水涂料、混凝土防碳化涂料、益胶泥、瓷砖粘接剂、水泥自流平、108建筑胶粉
- 主营：修补加固砂浆、湿法喷射砂浆、高效防水剂、早强高强灌浆料、钢筋套筒连接灌浆料、支座砂浆支座灌浆料、通用灌浆料、通用早强高强灌浆料、高强快速修补料、高强修补料、低温装配式灌浆料、高强度孔道压浆料、隧道孔道灌浆料、改性高强聚合物砂浆、高强度装配式座浆料、装配式座浆封浆封堵料、高延性混凝土I型、高延性混凝土II型、高延性混凝土III型、公路桥梁座浆料、管道填充座浆料、轨道交通座浆料、预制桥梁压浆料、聚合物修补加固砂浆
- 主营：灌浆料、压浆料、防水砂浆、修补砂浆
- 主营：腻子粉、瓷砖胶、压浆料、灌浆料、水泥地面、底层石膏、抗裂砂浆、防水砂浆、石膏自流平、轻质抹灰石膏、外墙水泥基腻子、找平拷角石膏底
- 主营：压浆料、道钉锚固剂、防碳化涂料、树脂灌浆料、灌浆料、水泥路面修补料
- 主营：抹灰石膏、天然石粉、石膏消泡剂、灌浆料、瓷砖粘结剂、石膏基砌筑砂浆、防静电不发火砂浆、腻子粉、高延性混凝土
- 主营：修补材料、修补混凝土、混凝土修复料、灌浆料、起砂裂缝抢修料、道路破损修补料
- 主营：硅藻土、竹炭、活性炭、厂家供应灌浆料电话、火山石、火山石粉、火山石板材、氧化镁、松树皮、木粉、玻璃块、萤石、陶粒、铁粉、氧化钙、云母
- 主营：道路抢修、道路修补料、环氧修补砂浆、灌浆料压浆料、外加剂、抗裂砂浆
- 主营：压浆料、植筋胶、修复胶、灌浆料、无收缩灌浆、抗裂砂浆、环氧砂浆、裂缝克星、防水砂浆、碳纤维布、路面修补料、聚合物砂浆、环氧混凝土、环氧修补砂浆、氧化镁膨胀剂、桥梁宝粘钢胶、碳纤维浸渍胶、自密实混凝土、高延性混凝土、灌注型粘钢胶、渗透结晶堵漏剂、结晶型防水涂料
- 主营：灌浆料、自流平、加大浇注料
- 主营：堵漏剂、粘结剂、砂浆王、灌浆料、轻集料、水玻璃、膨胀剂、抢修料、速凝剂、大理石、js水泥基、粘结砂浆、彩色水泥、防水腻子、双快水泥、膨胀水泥、耐火水泥、水泥砂浆、加固砂浆、砌筑砂浆、地面砂浆、修补砂浆、道路抢修、防水砂浆、干粉砂浆
- 主营：轻质抹灰石膏、腻子粉、瓷砖胶、灌浆料、支座灌浆料、高延性混凝土、玻化微珠保温砂浆、抹面抗裂砂浆、聚合物防水砂浆、预拌砂浆、水泥路面修补料、保温砂浆、干粉砂浆、压浆料、减震隔音砂浆、聚合物粘接砂浆、自流平砂浆、速凝剂、粘结砂浆、抗裂砂浆、内墙耐水腻子、破损修补、轻质粉刷石膏
- 主营：聚合物修补加固砂浆、道路快速修补料、聚合物防水防腐砂浆、水泥基灌浆料、环氧树脂灌浆料、EC-1高强界面剂、聚丙烯乳液砂浆、环氧树脂胶泥、环氧树脂砂浆、水泥基渗透结晶防水涂料、混凝土防碳化涂料、环氧灌浆树脂胶、裂缝空鼓胶、环氧树脂植筋胶、环氧树脂粘钢胶、环氧树脂碳布胶、环氧树脂界面胶、J302环氧界面剂、J303混凝土起沙处理剂、108浓缩建筑胶粉、环氧树脂涂料、水泥基自流平砂浆、碳纤维布