What is a key environmental advantage of using HVLP guns?

Using HVLP (High Volume Low Pressure) guns is primarily beneficial for their higher paint transfer efficiency. This efficiency means that a greater percentage of the paint actually adheres to the surface being painted rather than being wasted in overspray. As a result, there is less paint that ends up in the air or on the ground, which is not only more economical but also significantly reduces the environmental impact. This aspect aligns with environmental regulations aimed at minimizing volatile organic compounds (VOCs) and other pollutants associated with traditional spray methods.

In contrast, the other choices, while potentially relevant to the painting process, do not directly relate to the key environmental advantages of HVLP technology. For instance, lower paint costs can be influenced by factors such as paint selection and purchasing decisions rather than the type of spray gun used. Faster drying time is more dependent on the chemistry of the paint and environmental conditions rather than the method of application. Increased airflow does not connect as well with environmental advantages; in fact, HVLP is designed to use lower air pressure, which is a defining characteristic that helps reduce material waste, further underscoring its efficiency and eco-friendliness.