While the rubber industry is undoubtedly the largest consumer of zinc oxide (ZnO), particularly the 99.7% rubber grade, this versatile compound finds applications across a wide spectrum of industrial sectors. Its unique chemical and physical properties make it an invaluable additive in paints, coatings, plastics, ceramics, and even in advanced materials like semiconductors.

In the realm of paints and coatings, zinc oxide serves as an excellent white pigment, providing high opacity and good hiding power. It also offers UV protection, preventing the degradation of binders and pigments when exposed to sunlight. This dual functionality makes it a preferred choice for durable exterior paints and protective coatings. Its role in plastics is similar, where it can act as a UV stabilizer and heat stabilizer, enhancing the longevity and performance of plastic products.

The ceramics industry utilizes zinc oxide for its fluxing properties and its ability to enhance the gloss and durability of glazes. It contributes to a smoother, more resilient surface finish in ceramic products, from tiles to sanitary ware.

Emerging applications leverage zinc oxide's semiconductor properties. Its wide band gap and exciton binding energy make it suitable for use in liquid crystal displays, thin-film transistors, light-emitting diodes (LEDs), and other electronic components. As nanotechnology advances, micro-particles of zinc oxide are increasingly being explored for their potential in these high-tech fields.

The availability of various grades, such as the fine white powder 99.7% rubber grade, ensures that manufacturers can select the most appropriate form of zinc oxide for their specific needs. While the rubber industry benefits from its activation properties, other sectors appreciate its pigmentary, protective, or electronic characteristics.

In summary, zinc oxide is a foundational industrial chemical with a broad application base. From reinforcing rubber to protecting paints and enabling advanced electronics, its utility underscores its importance in modern manufacturing and technological development. Sourcing consistent, high-quality zinc oxide is key to unlocking its full potential across these diverse industries.