Overview
Volcanic lime is a naturally occurring mineral derived from volcanic ash and rock deposits. Composed primarily of calcium carbonate (CaCO3), it is valued for its alkaline properties and high calcium content. The material forms through the weathering of volcanic materials over time, resulting in a fine, powdery substance. Volcanic lime is distinct from traditional agricultural lime due to its volcanic origin, which may include trace minerals beneficial for soil health. It is widely used in agriculture, construction, and environmental applications, offering a sustainable alternative to synthetic soil amendments.
Physical and Chemical Properties
Volcanic lime typically appears as a fine white to gray powder, with a density of approximately 2.7-2.9 g/cm³. Its primary component, calcium carbonate, decomposes at 825°C, releasing carbon dioxide. The material is slightly soluble in water but reacts readily with acids, neutralizing them. Key chemical properties include its high alkalinity (pH 8-9) and calcium content, often exceeding 30%. Trace elements such as magnesium, potassium, and silica may also be present, depending on the volcanic source. These properties make it effective for pH stabilization and nutrient supplementation in soils.
Main Applications
In agriculture, volcanic lime is applied to acidic soils to raise pH levels and improve nutrient availability. Its slow-release calcium supports plant growth and soil structure. It is also used in organic farming as a natural alternative to synthetic fertilizers. In construction, volcanic lime serves as a binder in mortars and plasters, offering durability and breathability. Environmental applications include water treatment for pH adjustment and heavy metal removal. Its natural composition makes it eco-friendly compared to chemical alternatives.
Safety and Storage
Volcanic lime is non-toxic but can cause irritation if inhaled as dust. Use protective gear such as masks and gloves during handling. Store in a dry, cool place to prevent clumping or moisture absorption, which reduces efficacy. For large-scale storage, ensure containers are sealed and placed on pallets to avoid ground moisture. Keep away from acids, as reactions can release carbon dioxide gas. Proper storage maintains the material's quality for long-term use.
B2B Procurement Guide
When procuring volcanic lime, prioritize suppliers with verified geological sourcing to ensure purity and consistency. Key specifications include calcium carbonate content (ideally >90%), particle size (fine for agriculture, coarse for construction), and absence of contaminants. Pricing varies by region and volume, with bulk purchases typically discounted. Request certificates of analysis (COA) for quality assurance. For agricultural use, consider blended products with added micronutrients. Transportation costs may influence supplier selection due to the material's weight.
Related Manufacturers
- 主营：天然鹅卵石、雨花石、彩色石子、火山石、蛭石、营养土、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：高岭土、铝矾土、高铝粉、火山石粉、炉衬料、石英砂、石英粉、长石粉、高铝砂、玻璃粉、电熔镁砂、锆英砂、金刚砂、矿渣粉、重晶石粉、彩砂、重金石、钙粉
- 主营：真石漆、沙子全、腻子粉、火山石粉、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、环氧草坪、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
- 主营：石英砂、石英粉、碳酸钙、白云石、白云石粉、火山石、重钙粉、轻钙粉、白沙、白石子、高岭土、煅烧高岭土、膨润土、氢氧化钙、染色石子、染色彩砂、麦饭石粉、凹凸棒土粉、蛭石粉、滑石粉、氧化钙、珍珠岩、硅藻土、白陶土、金刚砂、铁钢砂、鹅卵石、沸石粉、重晶石粉、长石、铝矾土
- 主营：石墨粉、土状石墨、配重铁砂、火山岩粉、莫来砂、铁砂、硅藻土、玻璃微珠、膨润土
- 主营：玻璃砂、水洗石、仿瓷沙、火山石、滑石粉、膨润土、石英粉、金刚砂、彩砂、水磨石、铜矿砂、高岭土、地坪彩石、铜矿沙、玩具沙、重钙、石英砂、彩石、金玉明沙、磁粉、沸石、麦饭石、白云石、白沙子
- 主营：滑石粉、金云母、蛭石片、火山石粉、鹅卵石、石英砂、杨木粉、胶粘石、膨润土、蛭石粉、高铝粉、水洗沙、萤石粉、木粉60目、30目漂珠、硅藻土、电气石、孵化蛭石、生物质颗粒、贝壳彩片、氧化铁颜料、生铁粉、高岭土、白云母、沸石、漂珠
- 主营：导电石墨粉、鳞片石墨粉、润滑石墨粉、火山岩粉、脱模石墨粉、铁砂、钢砂、莫来砂、硅藻土、膨润土、玻璃微珠
- 主营：高岭土、煅烧高岭土、活性偏高岭土、石灰、合成云母、硅酸铝、玻璃鳞片、电气石、麦饭石、石墨粉、硅藻土、滑石粉、硅灰、石英砂、岩片、云母、海泡石、陶土、膨润土、珍珠岩、核桃壳、沸石粉、凹凸棒土、赤铁粉
- 主营：金刚砂、石英砂、莫来砂、火山石、锆英砂、塑料稳定剂、木屑、木粉、宠物垫料、有机覆盖物、造景石、溪流石、喷砂除锈产品、高岭土、膨润土、硅藻土、营养土、园艺资材、鹅卵石、净水滤料
- 主营：蛭石、云母、漂珠、石灰、硅藻土、膨润土、高岭土、防火涂料、萤石、石英砂、麦饭石、铝矾土、电气石、彩砂、鹅卵石、海泡石、重钙粉、重晶石、木粉、蛭石粉、氧化钙、生物质颗粒、贝壳彩片、莫来砂、蛭石板、沸石粉
- 主营：硅藻土、电气石/粉、氧化铁颜料、火山石粉、火山石、远红外粉、橡胶颗粒、硅灰石粉、陶粒、颜料、沸石、彩砂、膨润土、海泡石/纤维、漂珠、金刚砂、岩片、滑石粉、黏土、白炭黑
- 主营：彩砂、石英砂、金刚砂、火山石、氧化铁、高岭土、蛭石、矿物纤维、地坪料、玻璃砂、钙粉、玻璃微珠、石英粉、雨花石、海泡石纤维、硅藻土、染色砂、儿童娱乐砂、云母粉、沸石粉、膨润土、轻钙
- 主营：粘土陶粒、轻质陶粒、陶粒、火山岩、火山石、火山岩滤料、陶粒混凝土、建筑陶粒、页岩陶粒、粉煤灰陶粒、回填陶粒、陶粒滤料、浮石、珍珠岩、绿化陶粒、陶粒回填、陶粒轻质混凝土、陶粒轻集料混凝土、保温陶粒、小陶粒、陶粒砂
- 主营：黄金麻、芝麻灰、芝麻黑、火山石、樱花红、大理石、路沿石