When testing for color stability, what is the main concern for technicians?

When testing for color stability, the primary concern for technicians is the potential for dye bleeding or fading. This is crucial because when a cleaning agent is applied to upholstery or fabric, there is a risk that the dyes used in the fabric may not hold up against the cleaning process. If the dyes are not stable, they can bleed into adjacent areas or fade, leading to uneven coloration and deteriorated aesthetics.

Understanding this concern helps technicians determine the safest and most effective cleaning methods to use. Before applying any cleaning solution, tests such as the 'bleeding test' with a white cloth can help identify if the colors are stable or if there's potential for bleeding during cleaning. This knowledge is vital for maintaining the integrity of the fabric, ensuring customer satisfaction, and avoiding damage during the cleaning process.

While other factors, such as the longevity of the dye or the compatibility of the cleaning agent, are important considerations in overall upholstery care, they do not directly address the immediate risk of color loss during cleaning, making dye bleeding or fading the central concern when testing for color stability.