Negative Ion Products Testing

In recent years, various types of negative ion generating devices and functional materials have been widely used in environmental protection, medical and other fields due to the remarkable characteristics of negative ion products, such as degrading toxic pollutants, effectively removing haze, and improving human health. However, there is a wide variety of negative ion products, with significantly different production principles, usage conditions, and negative ion generation levels. Therefore, evaluating negative ion concentration is particularly important.

Testing Products

Materials capable of generating air ions, such as wood-based panels, flooring, coatings, wall felts, putties, ceramic tiles, decorative films, wallpapers and wall fabrics, etc.

Testing Items

Amount of negative ions generated in the air

Amount of air ions induced by materials

Testing Standards

GB/T 28628-2012: Test method for air ion concentration induced by materials

JC/T 2040-2010: Negative ion functional building interior decorative materials

HG/T 4109-2009: Negative ion functional coatings


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