Natural Anhydrite Ore
Product Offering
Natural Anhydrite (Hard Gypsum) Ore
天然硬石膏原矿
Deep-mined natural anhydrite ore with low crystallization water and surface moisture, available in Grades A and B for cement and other cementitious materials, mine backfill, concrete expansion systems, soil improvement and stabilization, and related applications.
深部开采的天然硬石膏原矿，结晶水和附着水低，可按 A、B 等级供应，适用于水泥与胶凝材料、矿山充填、混凝土膨胀体系、土壤改良与固化等应用。
Supplied by Anhui Hengtai New Materials Co., Ltd.
Overview
Product overview
Hengtai natural anhydrite is mined in Hanshan, Anhui, at representative extraction levels down to approximately -442 m. The ore consists predominantly of natural anhydrous calcium sulfate, with high grade, low impurities, and a light-grey appearance. Typical density is approximately 2.9 g/cm³ and Mohs hardness about 3.0-3.5.
Grades and lump sizes can be supplied to order, with further processing available for powders of different particle sizes.
恒泰天然硬石膏产自安徽含山矿区，代表性矿石开采深度已达井下 -442 m。矿石以天然无水硫酸钙为主要矿物组成，品位高、杂质少，外观呈浅灰色。典型物理特性包括密度约 2.9 g/cm³、莫氏硬度约 3.0-3.5。
原矿可根据客户用途和订单要求提供相应等级与块度，并可进一步加工为不同粒度的硬石膏粉体产品。
Applications
Typical applications
- Raw material for cement and other cementitious systems
- Concrete expansion systems
- Mine backfill materials
- Soil improvement and soil stabilization
- Mineral feedstock for glass-related applications
- Other industrial applications requiring natural calcium sulfate mineral feedstock
- 水泥及其他胶凝材料原料
- 混凝土膨胀体系
- 矿山充填材料
- 土壤改良与土体固化
- 玻璃工业相关矿物原料
- 需要天然硫酸钙矿物原料的其他工业应用
Features
Key product features
- Natural anhydrous calcium sulfate ore
- Grade A and Grade B supply options
- Low crystallization water and surface moisture
- High grade with low impurities
- Density approx. 2.9 g/cm³ and Mohs hardness approx. 3.0-3.5
- Available as raw ore or for further powder processing
- 天然无水硫酸钙型硬石膏
- 可按 A 类、B 类等级供应
- 结晶水和附着水低
- 品位高、杂质少
- 密度约 2.9 g/cm³，莫氏硬度约 3.0-3.5
- 可提供原矿并进一步加工为不同粒度粉体
Offering Details
Technical Details & Applications
Representative Quality Parameters
- Grade A: SO₃ ≥48%; crystallization water ≤1%; surface moisture ≤1%.
- Grade B: SO₃ ≥40%; crystallization water ≤1%; surface moisture ≤1%.
Material and Supply Characteristics
- Natural anhydrite, primarily anhydrous calcium sulfate
- Light-grey appearance
- Density: approx. 2.9 g/cm³
- Mohs hardness: approx. 3.0-3.5
- Supplied as raw ore or processed into graded powders
技术说明与应用案例
代表性质量指标
- A 类：SO₃ ≥48%；结晶水 ≤1%；附着水 ≤1%。
- B 类：SO₃ ≥40%；结晶水 ≤1%；附着水 ≤1%。
材料与供货特点
- 天然无水硫酸钙型硬石膏
- 浅灰色
- 密度约 2.9 g/cm³
- 莫氏硬度约 3.0-3.5
- 可提供原矿及后续粉体加工
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