Magnesium Sulphate Heptahydrate Blue Granular
Product Features
I. Core Ingredients and Purity Advantages
1. High Purity Guarantee: Using high-quality magnesium sulfate heptahydrate (MgSO₄·7H₂O) as the core raw material, the purity typically reaches 99% or higher, with some products even reaching 99.5%. Impurities such as iron, lead, and arsenic are extremely low, meeting the stringent standards of multiple industries, including industrial, agricultural, and feed grades, ensuring stable product performance and safety.
2. Dual Nutrient Supply: In addition to the core magnesium element (approximately 9.5%), it is also rich in sulfur (approximately 12.0%), providing two key elements for crops or applications. Compared to single magnesium fertilizers, it offers a more comprehensive nutritional profile. Compared to other magnesium salts like magnesium chloride, it contains no chlorine, extending its applicability and making it more suitable for chlorine-sensitive crops.
II. Physical Form and Stability Characteristics
1. Regular and Controllable Particle Form: Produced through an extrusion granulation process, the product presents uniform blue spherical or quasi-spherical particles with customizable particle sizes (typically 3-5 mm). The granules are hard and distinct, resisting breakage and dispersibility, greatly facilitating storage, transportation, and mechanized quantitative application, effectively reducing material loss.
2. Specific Temperature and Humidity Stability: The product has relatively mild physical properties and exhibits low hygroscopicity in a dry environment at room temperature, resisting agglomeration and exhibiting excellent stability. Its chemical stability is closely related to temperature: it is stable in humid air below 48.1°C. Above this temperature, it gradually loses its water of crystallization, with most of the water lost at 70-80°C, and completely transforming into anhydrous magnesium sulfate at approximately 200°C. This characteristic allows for a clearly controllable range of application and storage under different temperature conditions.
3. Blue Identification Function: The distinctive blue color not only serves as a visual identifier, easily distinguishing it from other white or colorless magnesium sulfate products, but also serves as an auxiliary indicator for color development in certain applications, such as printing and dyeing.
III. Solubility and Application Compatibility
1. Quick, Clear Dissolution with No Residue: With excellent solubility. Upon entry into water, it dissolves rapidly and evenly, forming a clear solution with no precipitation or residue. This property makes it ideal for agricultural applications such as drip irrigation, sprinkler irrigation, and foliar spraying, preventing clogging of irrigation equipment. In industrial applications, it also reduces preparation time and improves production efficiency.
2.Ionic Stability After Dissolution: The magnesium and sulfate ions released after dissolution remain stable in solution and are not susceptible to precipitation or decomposition. This makes it suitable for the formulation of long-term storable formulations, meeting the needs of the pharmaceutical and chemical industries.
