NVC - Non-Volatile Content (TNV)

The Non-Volatile Content (NVC) represents a crucial aspect of resins and additives used in paint formulations, indicating the fraction of solids that remain in the paint or coating after the evaporation of solvents or water during the drying process.

9/11/20241 min read

The Non-Volatile Content (NVC) represents a crucial aspect of resins and additives used in paint formulations, indicating the fraction of solids that remain in the paint or coating after the evaporation of solvents or water during the drying process. The impact of NVC on the quality and effectiveness of paints is multifaceted, with key points including:

  1. Coverage and Opacity Properties: NVC is directly proportional to a paint's ability to cover surfaces evenly and effectively. A higher proportion of NVC results in an increased concentration of solids on the surface after drying, significantly improving coverage and opacity. This characteristic is vital to ensuring uniform paint color and preventing unwanted transparency.

  2. Durability and Resistance: The appropriate NVC is fundamental to the durability and resistance of the coating. A greater presence of non-volatile solids strengthens the paint against wear, such as scratches, abrasion, chemicals, and harsh weather conditions, extending its lifespan, especially in outdoor applications or demanding environments.

  3. Viscosity and Applicability: NVC also influences the viscosity of the paint, affecting its ease of application. Paints formulated with an optimal NVC have the ideal viscosity for the intended application, whether by brush, roller, spray, or other techniques, facilitating effective use and application.

  4. Cost Efficiency: Precise NVC management allows paint manufacturers to refine their formulations to achieve optimal performance with efficient use of materials, significantly reducing production costs.

  5. Environmental Sustainability: Production strategies that aim to reduce NVC in paints contribute to more sustainable practices. Paints with low NVC tend to emit fewer volatile organic compounds (VOCs) into the atmosphere during application and drying, helping to reduce air pollution and comply with stricter environmental regulations.

  6. Film Thickness Control: NVC is also crucial in determining the final thickness of the paint film, making accurate control of NVC essential to ensuring a uniform coating thickness that meets specifications.

In summary, Non-Volatile Content is vital in paint formulations, directly influencing the quality, performance, ease of application, and sustainability of coatings. Precise adjustment of NVC allows manufacturers to tailor their formulations to meet various application requirements and regulations, resulting in high-quality and more environmentally friendly final products.