Overview
Colored ceramsite is a manufactured lightweight aggregate produced by expanding clay at high temperatures (1100-1200°C). The resulting material consists of porous, honeycombed spherical particles with a hard ceramic shell. Originally developed for construction applications, its uses have expanded to horticulture where it serves as an excellent growing medium due to its neutral pH, excellent drainage properties, and reusability. The coloring process involves adding mineral pigments during production, creating visually appealing products for decorative horticultural applications. Unlike natural aggregates, colored ceramsite offers consistent quality and can be produced in specific size grades ranging from 2mm to 20mm diameter. Its closed-cell structure makes it durable while maintaining low density.
Physical and Chemical Properties
The defining physical characteristic of colored ceramsite is its high porosity (typically 40-75% void space), which accounts for its low bulk density. The ceramic shell provides structural integrity while the internal pores create air pockets beneficial for root aeration in horticultural applications. Chemically, it is inert with a neutral pH (6.5-7.5), making it compatible with most plants and construction materials. Thermal properties include low thermal conductivity (approximately 0.1 W/m·K), making it useful as insulation material. The material exhibits high compressive strength (1-3 MPa) despite its lightness, and its water absorption capacity ranges between 5-15% by weight. Color stability is achieved through high-temperature firing, ensuring pigments don't leach even in wet environments.
Main Applications
In horticulture, colored ceramsite serves multiple functions: as a decorative top dressing to reduce evaporation and suppress weeds, as a hydroponic growing medium due to its excellent water retention and aeration balance, and as a soil amendment to improve drainage in heavy soils. The construction industry utilizes it for lightweight concrete production, reducing structural load while maintaining strength. Environmental applications include wastewater treatment as a filter medium and in stormwater management systems. Its buoyancy makes it suitable for floating gardens and green roof installations. Industrial uses include catalyst supports and as an abrasive in gentle cleaning applications. The colored varieties find particular favor in landscape design where aesthetic considerations are important.
Safety and Storage
Colored ceramsite poses minimal health risks, being chemically inert and non-toxic. However, dust generated during handling may cause respiratory irritation, necessitating dust masks in enclosed spaces. The material is non-flammable and stable up to its production temperature. Proper storage involves keeping the product in original packaging or covered containers to prevent moisture absorption, which can increase weight during transport. Bulk storage should be on pallets in well-ventilated areas. While the material is frost-resistant, repeated freeze-thaw cycles of water-saturated ceramsite may cause surface crumbling over time. Safety data sheets should be consulted for specific product formulations.
B2B Procurement Guide
When procuring colored ceramsite in bulk, key specifications to evaluate include particle size distribution (uniformity affects performance), color consistency (important for decorative applications), and porosity (impacts water retention). Horticultural grades typically require 4-8mm particles while construction applications may need larger sizes. Verify supplier testing data for compressive strength (for construction use) and pH stability (for horticulture). Consider packaging options - bulk bags reduce costs for large projects but require appropriate handling equipment. Request samples to evaluate colorfastness under UV exposure if used outdoors. Establish quality control parameters for acceptable breakage rates during transport. For specialized applications, some manufacturers offer custom blends with added nutrients or surface treatments.
Related Manufacturers
- 主营：保温板、聚苯板、吸音板、陶粒售卖、轻质陶粒、陶粒知名、回填陶粒、陶粒建筑、挤塑板、岩棉板、保温管、橡塑板、硅酸铝、玻璃棉、防火材料、外墙保温、保温材料、水泥发泡板
- 主营：轻质混凝土、轻集料混凝土、轻骨料混凝土、泡沫混凝土
- 主营：建筑回填陶粒、轻集料混凝土
- 主营：轻集料混凝土、轻骨料混凝土、lc5.0轻集料混凝、陶粒混凝土、lc7.5轻集料混凝
- 主营：[]
- 主营：蛭石、彩片、岩片、负离子彩色陶粒价格、石英砂、鹅卵石
- 主营：火山岩、竹炭、沸石、陶粒、石英砂
- 主营：河道治理用陶粒、水处理填料、水处理滤料
- 主营：人造沙滩、天然彩砂、烧结彩砂、环氧地坪砂、金属硅颗粒、沙画用烧结沙、染色彩砂真石漆
- 主营：覆膜砂、铸造覆膜砂、石英砂、陶粒砂、石英粉、重晶石粉、圆粒砂、圆粒石英砂、硅石粉、白色硅微粉
- 主营：天然鹅卵石、雨花石、彩色石子、彩色陶粒、蛭石、营养土、火山石、黑色金刚砂、地坪五彩石、变压器鹅卵石、鹅卵石滤料、水处理鹅卵石、分目烘干砂、石英砂、黑白石英砂
- 主营：石油焦、石墨粉、膨胀石墨、陶粒、海泡石、矿物纤维、云母、蛭石、橡胶颗粒、轮胎粉、漂珠、重晶石、膨润土、碳酸钙、叶腊石、人造石墨、鳞片石墨、木质纤维、喷涂棉、钾长石、氧化铝、铝矾土、滑石粉、配重砂、硅藻土
- 主营：蛭石、海泡石、矿物纤维、陶粒、防火涂料、漂珠、石油焦、石墨颗粒、云母粉、火山球、重钙、滑石粉、轮胎粉、钾长石、叶腊石、氧化铝、碳酸钙
- 主营：沸石、火山石、火山岩、工程陶粒、陶粒建筑、球形陶粒、垫底陶粒、轻质陶粒、回填陶粒、陶粒混凝土、屋面填充陶粒、园林绿化陶粒、回填填充陶粒、防水填充陶粒、工程建筑陶粒、工程建筑用陶粒、找平回填用陶粒、滤水陶粒、陶粒滤料、珍珠岩
- 主营：滑石粉、莫来砂、宝珠砂、脱硫石膏、活性白土、重钙粉、轻钙粉、玻璃鳞片、沸石粉、配重砂、石英砂、膨润土粉、硅灰粉、硅藻土、膨润土颗粒、地坪材料、碳酸钙、萤石粉、珍珠岩
- 主营：彩色石子、彩沙、有机覆盖物、陶粒、火山岩、石英砂、彩色玻璃砂、蛭石、岩片、钙粉、鹅卵石、膨润土、粉煤灰、铝矾土、油田堵漏剂、高岭土、木粉、河沙、石膏粉、珍珠岩、金刚砂
- 主营：鱼缸砂、夜光石、路面石、彩色陶粒球厂家、火山石、鹅卵石、雨花石、洗米石、水洗石、机制石子、水磨石子、胶粘石、石英砂、烘干砂、保温砂、砂浆砂、金刚砂、白沙子、蛭石、荧光粉、天然彩砂、染色彩砂、金刚砂地坪料、透水石子、水刷石石子
- 主营：润滑剂、石墨粉、超细石墨粉、彩色陶粒、阻燃石墨、超细石墨、高纯石墨、煅烧高岭土、耐火泥造纸、润滑石墨铅粉、合成氟金云母粉、高岭土、种子包衣粉、麦饭石粉、白色电气石粉、远红外粉、导电石墨粉、耐高温石墨粉、云母片、天然云母片、耐高温云母片、透明云母片、云母板、沸石、沸石粉、麦饭石颗粒
- 主营：陶粒滤料、轻质陶粒、工程陶粒、花卉陶粒、绿化陶粒、商泵陶粒、陶粒定制、垫底陶粒、回填陶粒砼、建筑陶粒砼、亚黏土陶粒、陶粒混凝土、建筑回填陶粒、厕所回填陶粒、垫层回填陶粒、轻质页岩陶粒、紫砂陶土陶粒、回填页岩陶粒、无土栽培陶粒、超轻黏土陶粒、过滤滤料、保温隔音层施工
- 主营：煅烧高岭土、重钙粉、轻钙粉、园艺彩色陶粒、滑石粉、膨润土、活性钙、硅灰、硅藻土、绿泥石粉、伊利石粉、白云石粉、石英粉、重晶石粉、活性白土、灰钙、变压器鹅卵石、彩色石子、金刚砂
- 主营：真石漆、沙子全、腻子粉、环氧草坪、粘土球、白沙子、烘干沙、膨润土、40目河沙、烘干河沙、水族婚庆、抗裂砂浆、钙粉工业、塑料橡胶、喷砂除锈、人造沙滩、石粉填充、砂浆抹面、钻井泥浆、公园造景、石粉砂浆、石粉沙子、白色沙子、pvc填充料、河沙园艺