Overview
Medium coarse sand is a fundamental construction material composed of naturally occurring granular rock and mineral particles. With particle sizes typically ranging between 0.5mm to 2mm, it occupies a middle ground between fine sand and gravel in terms of granularity. This material is primarily sourced from riverbeds, quarries, or crushed rock operations. The geological composition of medium coarse sand varies by region but commonly includes quartz, feldspar, and other silicate minerals. Its angular to sub-rounded particle shape provides excellent interlocking properties, making it particularly valuable in construction applications where stability and drainage are required.
Physical and Chemical Properties
Medium coarse sand exhibits several distinctive physical properties that determine its suitability for various applications. The material typically has a bulk density of 1.4-1.6 g/cm³ and demonstrates good permeability with a void ratio of about 30-40%. Its particle size distribution is crucial, with optimal performance achieved when containing less than 3% fines (particles smaller than 75μm). Chemically, medium coarse sand is predominantly inert, consisting mainly of silica (SiO₂) with trace amounts of other minerals. This chemical stability makes it resistant to weathering and chemical degradation, though the presence of soluble salts or organic matter can affect its performance in certain applications, particularly in concrete mixtures.
Main Applications
In construction, medium coarse sand serves as a key component in concrete production, where it acts as a fine aggregate to fill voids between coarse aggregates while providing workability to the mixture. The construction industry accounts for approximately 70% of global sand consumption, with medium coarse grades being particularly valued for structural applications. Beyond concrete, this material is extensively used in road construction as a base or sub-base material, in landscaping for drainage layers, and as bedding sand for pavers and pipes. Industrial applications include use in filtration systems, abrasive blasting, and as a raw material in glass manufacturing when high-purity silica sand is required.
Safety and Storage
While medium coarse sand is generally considered a low-hazard material, proper handling procedures should be followed to minimize risks. The primary concern is dust generation during loading, unloading, or processing operations. Prolonged exposure to silica dust can lead to respiratory issues, making dust suppression measures and personal protective equipment essential. For storage, medium coarse sand should be kept in covered areas or with protective tarpaulins to prevent contamination from foreign materials and minimize moisture absorption. Stockpiles should be constructed on clean, level ground with proper drainage to maintain material quality. In bulk storage facilities, attention should be paid to preventing segregation of particle sizes.
B2B Procurement Guide
When procuring medium coarse sand for commercial purposes, several key factors should be considered. Particle size distribution is critical - request gradation test results to ensure compliance with project specifications. The presence of deleterious materials like clay lumps or organic matter should be minimized, typically below 1% by weight. For large-scale projects, establish long-term supply agreements with reputable quarries to ensure consistent quality and pricing. Consider logistical factors such as transportation distance and delivery scheduling, as these can significantly impact total project costs. Always request material safety data sheets and certificates of analysis for compliance documentation.
Related Manufacturers
- 主营：高岭土、铝矾土、高铝粉、石英砂、石英粉、长石粉、高铝砂、电熔镁砂、锆英砂、金刚砂、重晶石粉、彩砂、重金石、炉衬料、玻璃粉、矿渣粉、钙粉
- 主营：细破机、破碎机、破裂机、嗑石机、洗砂机、碎石机、洗石机、制砂机、破石机、打石机、破鹅卵石、铁石立轴、螺旋洗砂、砂石轮胎、双螺旋、洗矿机、洗沙机、粉碎机、颚破机、一体轮胎、洗沙设备、破碎设备、环保轮胎、耐火材料、移动柴油
- 主营：碾金机、湿碾机、颚式破碎机、矿山中小型颚式破碎机、锤式破碎机、球磨机、膨化机、颗粒机、木材粉碎机
- 主营：破碎机、矿山设备、锤式破碎机、制砂机、砂石线、石料线、立轴制砂机、液压开箱制砂机、对辊式制砂机、砂石生产线、板锤制砂机、轮斗式洗砂机、颚式破碎机、箱式破碎机、移动破碎站、振动筛、反击式破碎机、圆锥式破碎机、重锤式破碎机、复合式破碎机、碾金机
- 主营：移动破碎机、洗沙机、撕碎机、制砂机、金属破碎机、涡电流分选机、断桥铝破碎机、干磨机、废铝破碎机、铜米机、垃圾分选机
- 主营：对辊破碎机、液压对辊破碎机、辊式破碎机设备、河卵石制砂机、鹅卵石制砂机、移动制砂机、筛分设备、建筑垃圾处理设备
- 主营：制砂机、岩石砂石、矿石分离机、螺旋洗砂机、破碎机、轮式洗沙机
- 主营：中华麦饭石、石英砂、火山石
- 主营：鄂破机、雷蒙磨、雷蒙机、洗砂机、大理石、打砂机、石头锤、烘砂机、碎石机、石英砂、矿石锤、制砂机、烘干砂、风化石、打石机、花岗岩、粉碎机、振动筛、干燥机、烘沙机、回收机、洗沙机、颚破机、细碎机、粉煤机
- 主营：破碎机、振动筛、粉碎设备、土石分离机、泥石分离机、尾砂回收机、螺旋式洗砂机、输送机滚筒、矿用筛分设备、振动式给料机、脱水脱泥振筛机
- 主营：破碎机、超细磨粉机、圆锥破碎机、制砂机、砂石料设备、鹅卵石制砂生产线、制砂生产线、砂石料生产线、鹅卵石破碎机、鹅卵石制沙机、机制砂设备、石灰石破碎机、砂石设备、单缸圆锥破、多缸圆锥破、破碎生产线、制沙机、磨粉生产线、骨料生产线设备、液压圆锥破、超细粉设备、打沙机、圆锥破、雷蒙磨
- 主营：圆锥破碎机、颚式破碎机、反击破碎机、制砂机、制砂生产线、碎石生产线、制砂楼、碎石机、塔楼制砂机、石料生产线、移动破碎机、旋回破碎机、鄂破、反击破、圆锥破、冲击破破碎机
- 主营：水包水、岩片漆、乳胶漆、仿石漆、水包砂、真石漆、陶彩砂、雅晶石、石纹彩、石漆、外墙真石漆、天然真石漆、墙面漆、内墙涂料、艺术涂料、质感涂料、肌理漆、防水材料、艺术灰泥、罩光面油、弹性外墙、儿童漆、防火涂料、无机涂料
- 主营：云母、铁粉、果壳、蛭石、滑石粉、麦饭石、珊瑚石、火山石、钙粉、炭黑、高岭土、膨润土、木粉、硅藻土
- 主营：鄂破机、粉碎机、颚破机、打砂机、制砂机、碎石机、立轴制砂机、立轴数控制砂机、砂子烘干机、石灰石破碎机、破碎机、球磨机、箱式破碎机、转筒烘干机、河沙烘干机、反击式破碎机、磨粉机