Potassium Magnesium Sulfate Industrial Use
Product: Potassium Magnesium Sulfate Industrial Use
Molecular formula:K2Mg(SO4)2
Molecular weight::360.49 g/mol
Properties: White crystalline powder
Potassium Magnesium Sulfate (Langbeinite) – Product Overview
Potassium Magnesium Sulfate Industrial Use, also known as langbeinite, is a naturally occurring mineral with the chemical formula K₂Mg₂(SO₄)₃. It is an excellent source of three essential plant nutrients: potassium (K), magnesium (Mg), and sulfur (S). In addition to agriculture, it is widely used in glass manufacturing, water treatment, and other industrial applications.
1. Physical & Chemical Properties
| Property | Description |
|---|---|
| Appearance | White crystalline powder |
| Chemical formula | K₂Mg₂(SO₄)₃ |
| Density | Approx. 2.8 g/cm³ |
| Solubility | Soluble in water |
| Melting point | 860 °C |
| Origin | Naturally found in sedimentary rocks, evaporite deposits; also a byproduct of salt extraction and potash fertilizer production |
2. Agricultural Benefits
As a source of potassium, magnesium, and sulfur, potassium magnesium sulfate offers multiple benefits for crop production:
High solubility – Easy to apply and readily absorbed by plant roots
Promotes plant growth – Supports root development, cell division, and photosynthesis
Improves crop quality & yield – Leads to healthier plants and higher productivity
Low salt index – Less likely to cause salt build-up in soil compared to other fertilizers
Reduces plant stress – Minimizes risk of root damage and soil salinity issues
Suitable for various crops – Especially beneficial for fruits, vegetables, tobacco, and potatoes
Application Methods (Agriculture)
Soil application: Broadcast or banded before planting or during growth
Foliar spray: Dissolved in water for direct leaf absorption
Blended fertilizers: Mixed with nitrogen (N) and phosphorus (P) for balanced nutrition
3. Industrial Uses
| Industry | Function |
|---|---|
| Glass manufacturing | Used as a flux to lower melting point of raw materials; improves homogeneity, clarity, and chemical/thermal resistance; also acts as a refining agent to remove bubbles and impurities |
| Water treatment | Removes magnesium (Mg²⁺) and sulfate (SO₄²⁻) ions from wastewater by forming insoluble precipitates; reduces water hardness and salinity, making it suitable for irrigation or discharge |
| Ceramic production | High thermal stability makes it suitable for ceramic body and glaze formulations |
4. Packaging Options
25 kg / 50 kg woven PP bags with inner liner, 500 kg / 1000 kg (1 ton) jumbo bags. Custom packaging available upon request
Store in a cool, dry, well-ventilated area away from moisture
5. Conclusion
Potassium magnesium sulfate (langbeinite) is a sustainable, naturally occurring mineral that provides essential plant nutrients while also serving multiple industrial purposes. Its high solubility, low salt index, and thermal stability make it a reliable and cost-effective solution for agriculture, glass manufacturing, and water treatment.
6. Storage:
Store in dry and ventilated warehouse away from moisture. Don't store goods outside or expose to the air.
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