Description
Zinc Oxide (ZnO) Micron Powder, Purity: 99.5+%, Size: -325 Mesh, White
Product Description:
Zinc Oxide (ZnO) Micron Powder is a high-purity, ultra-fine white powder with a purity of 99.5+% and a -325 mesh particle size. This advanced-grade material is well-known for its multifunctional properties, including excellent UV absorption, photocatalytic activity, and antimicrobial performance, which make it suitable across a broad range of industries.
ZnO features a hexagonal wurtzite crystal structure, giving it exceptional optical, electrical, and chemical characteristics. This white powder is non-toxic, chemically stable, and environmentally safe, making it highly favored in modern formulations from paints and pigments to cosmetics and pharmaceuticals.
Technical Properties:
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Purity: 99.5+%
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Particle Size: -325 mesh
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Color: White
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Chemical Formula: ZnO
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Composition: Zn – 80.34%, O – 19.66%
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CAS Number: 1314-13-2
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Melting Point: 1975 °C
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Density: 5.606 g/cm³
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Crystal Structure: Hexagonal
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Form: Micronized Powder
Key Applications:
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Paints & Coatings: Serves as a UV blocker and anti-mildew agent, improving durability and color retention in interior and exterior paints.
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Pigments: Used as a white pigment with high opacity and brightness in ceramic glazes, printing inks, and rubber.
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Cosmetics & Sunscreens: Acts as a physical sunscreen agent with broad-spectrum UVA/UVB protection. Commonly used in creams, lotions, and mineral-based make-up.
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Pharmaceuticals: ZnO is a proven ingredient in dermatological formulations, including antiseptic creams, calamine lotions, and diaper rash ointments due to its anti-inflammatory and soothing properties.
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Rubber Industry: Enhances thermal conductivity and accelerates vulcanization processes, improving strength and elasticity in tires and industrial rubber products.
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Electronic Devices: Due to its semiconducting and piezoelectric properties, ZnO is used in transparent conductors, varistors, and thin-film transistors.
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Antibacterial Films & Textiles: Utilized in antimicrobial surface coatings and fabrics to prevent bacterial growth and maintain hygiene in healthcare and food-contact applications.
Performance Benefits:
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High purity for reliable industrial and lab-grade use
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Chemically stable, non-toxic, and safe for sensitive formulations
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Superior UV-blocking and antimicrobial properties
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Excellent dispersibility and compatibility with polymers, oils, and water
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Thermal stability and high refractive index