Zinc Oxide (ZnO) Micron Powder, Purity: 99.5+%, Size: -325 mesh, White

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:

• Purity: 99.5+%

• Particle Size: -325 mesh

• Color: White

• Chemical Formula: ZnO

• Composition: Zn – 80.34%, O – 19.66%

• CAS Number: 1314-13-2

• Melting Point: 1975 °C

• Density: 5.606 g/cm³

• Crystal Structure: Hexagonal

• Form: Micronized Powder

Key Applications:

• Paints & Coatings: Serves as a UV blocker and anti-mildew agent, improving durability and color retention in interior and exterior paints.

• Pigments: Used as a white pigment with high opacity and brightness in ceramic glazes, printing inks, and rubber.

• Cosmetics & Sunscreens: Acts as a physical sunscreen agent with broad-spectrum UVA/UVB protection. Commonly used in creams, lotions, and mineral-based make-up.

• 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.

• Rubber Industry: Enhances thermal conductivity and accelerates vulcanization processes, improving strength and elasticity in tires and industrial rubber products.

• Electronic Devices: Due to its semiconducting and piezoelectric properties, ZnO is used in transparent conductors, varistors, and thin-film transistors.

• 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:

• High purity for reliable industrial and lab-grade use

• Chemically stable, non-toxic, and safe for sensitive formulations

• Superior UV-blocking and antimicrobial properties

• Excellent dispersibility and compatibility with polymers, oils, and water

• Thermal stability and high refractive index