Barite Powder[2]
Overview
Barite Powder is a naturally occurring mineral derived from barium sulfate (BaSO₄), processed into fine powder for industrial use. It is valued for its high specific gravity (4.3–4.5), chemical stability, and non-reactive nature. Primarily extracted from barite ore, it undergoes crushing, washing, drying, and milling to achieve desired fineness. Its whiteness and brightness also make it suitable for applications requiring aesthetic appeal, such as premium paints and coatings.
Physical and Chemical Properties
Barite Powder is characterized by its exceptional density, which is higher than most common minerals. This property makes it indispensable as a weighting agent in drilling fluids for the oil and gas industry. Chemically, it is inert under normal conditions, resisting reactions with acids, alkalis, and organic solvents. Its insolubility in water ensures stability in aqueous applications. The powder’s particle size distribution (typically 200–800 mesh) can be tailored to suit specific industrial requirements.
Main Applications
The largest application of Barite Powder is in oil and gas drilling, where it increases mud density to prevent blowouts. It constitutes over 80% of global consumption. In manufacturing, it serves as a filler or extender in paints, coatings, plastics, and rubber, enhancing durability and corrosion resistance. Its radiation-shielding properties are utilized in medical imaging and nuclear industries. Pharmaceutical grades are used in barium meals for X-ray diagnostics.
Safety and Storage
While Barite Powder is non-toxic, prolonged inhalation of dust may cause respiratory irritation. Use dust masks and ensure proper ventilation in handling areas. Store in sealed containers or bags in dry conditions to prevent moisture absorption, which can affect flowability. Avoid contact with strong acids, which may release toxic hydrogen sulfide gas. Compliance with OSHA or regional safety standards is recommended for workplace handling.
B2B Procurement Guide
For drilling applications, prioritize API-standard Barite Powder with a minimum density of 4.1 g/cm³ and low soluble alkaline earth metals. Purity (BaSO₄ content) should exceed 92% for industrial use and 98% for pharmaceuticals. Particle size matters: finer grades (600+ mesh) suit paints, while coarser (200–325 mesh) is ideal for drilling. Verify supplier certifications (ISO, OHSAS) and request material safety data sheets (MSDS). Bulk shipments (25–50 kg bags or super sacks) are cost-effective for large-scale buyers.
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