Technical knowledge

Mechanical sandblasting and metal brushing are both essential basic processes in metal surface treatment, but their core functional orientations are completely different. Sandblasting focuses on functional optimization — cleaning, roughening, and strengthening workpieces to lay a solid foundation for subsequent anti-corrosion coating treatment. Brushing focuses onaesthetic precision finishing — repairing surface defects and creating unique metal textures to improve product added value.
In actual industrial production, the two processes are often used in combination: sandblasting for base pretreatment and brushing for surface fine finishing, which can maximize the functional performance and aesthetic quality of metal workpieces. Reasonable selection of mechanical surface treatment processes is the key to reducing product failure rate, extending service life, and enhancing market competitiveness.

For large-volume metal products with high anti-rust and wear requirements and stable color demand, powder coating is the cost-effective, eco-friendly first choice. For customized small-batch products with rich color layers, heat-sensitive non-metal substrates or artistic decorative finishes, liquid paint (especially water-based paint) remains the optimal surface treatment solution.
Manufacturers can combine production batch, workpiece material, service environment and environmental compliance standards to select the most appropriate spraying surface finishing process.

Surface treatment is far more than simple surface finishing. It is a core manufacturing technology that balances appearance, functionality, durability, and cost. A reasonable surface treatment solution can effectively reduce product failure rates, extend service life, and greatly improve product market competitiveness.
Whether you are engaged in product design, mechanical manufacturing, hardware processing, or industrial procurement, understanding various surface treatment processes and their characteristics is essential for optimizing product quality and production costs.