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Magnesium Chloride Hexahydrate (MgCl2·6H2O) - High-Quality China Suppliers & Factory for Industrial Use
Product Parameters
| Item | Unit | White Magnesium Chloride | White Magnesium Chloride | White Magnesium Chloride | Common Magnesium Chloride |
|---|---|---|---|---|---|
| MgCl2 | % ≥ | 46.0 | 46.0 | 46.0 | 44.5 |
| Ca2+ | % ≤ | 0.15 | 0.15 | 0.15 | - |
| SO42- | % ≤ | 1.0 | 1.0 | 1.0 | 2.8 |
| Alkali metal chloride( Cl-) | % ≤ | 0.5 | 0.5 | 0.5 | 0.9 |
| Water insoluble matter | % ≤ | 0.1 | 0.1 | 0.1 | - |
| Granularity | - | 2cm-8cm | 3mm-5mm | 90um-100um | - |
| Chroma | (degree) ≤ | 50 | 50 | 50 | - |
| Levels of danger | - | No dangerous | No dangerous | No dangerous | No dangerous |
| Characteristics | - | white Flake, soluble in water, easy to deliquesce in humid air. | white Granule, soluble in water, easy to deliquesce in humid air. | white Powder, soluble in water, easy to deliquesce in humid air. | white flake, soluble in water, easy to deliquesce in humid air. |
Product Application
Building materials
It can be made into hard and corrosion-resistant magnesite products with light burned magnesia. It can be made into marble, bitter clay tile, floor, ceiling, decorative board, fireproof board, shed support, inorganic fiberglass reinforced plastic shed framework, magnesite heat preservation chicken house, wave colored tile, ventilation pipe, partition board, magnesite well cover, bathtub, fireproof board cabinet, door and window frame and movable house, etc. Used as antifreeze in winter construction.
Water treatment agent and water purification agent
It can quickly remove the impurities in the water without secondary pollution. It is especially suitable for the treatment of large-scale polluted water sources, and it can make our drinking water more safe.
Snow-melting agent
It is used as road deicing and snow-melting agent, with fast deicing speed and low corrosiveness to vehicles. The effect of soft base pavement is higher than that of sodium chloride.
Food Additive
Protein firming agent, cryogen and so on.
In addition to its role in metal production, our Magnesium Chloride Hexahydrate is widely used in the manufacturing of various industrial products, including fireproofing agents, cement, and textiles. Its hygroscopic nature and ability to absorb moisture make it an effective component in fireproofing materials, while its binding properties make it an essential ingredient in cement and textile production.
Agriculture
Breeding industry

Building materials
Snow-melting agent
Water treatment
Frequently Asked Questions
What are the different types of White Magnesium Chloride available?
White Magnesium Chloride is available in three distinct specifications based on granularity: white Flake (2cm-8cm), white Granule (3mm-5mm), and white Powder (90um-100um).
What is the difference in MgCl2 content between White and Common Magnesium Chloride?
White Magnesium Chloride features a higher purity with a MgCl2 content of ≥ 46.0%, whereas Common Magnesium Chloride has a MgCl2 content of ≥ 44.5%.
How is Magnesium Chloride utilized in the building materials industry?
It is combined with light burned magnesia to manufacture durable, corrosion-resistant magnesite products such as decorative boards, fireproof boards, tiles, flooring, ceilings, and ventilation pipes. It also acts as an effective antifreeze agent for winter construction.
What makes Magnesium Chloride suitable for water treatment?
It acts as a rapid water purification agent that removes impurities without producing secondary pollution, making it highly suitable for large-scale polluted water treatment and ensuring safe drinking water.
Is Magnesium Chloride effective for snow melting?
Yes, it is highly effective as a road deicing and snow-melting agent. It offers rapid deicing speeds and exhibits much lower corrosiveness to vehicles and soft base pavements compared to standard sodium chloride.
What are the industrial uses of Magnesium Chloride Hexahydrate?
Beyond metal production, it is widely used in manufacturing fireproofing agents, cement, and textiles due to its exceptional binding properties and moisture-absorbing (hygroscopic) nature.


