During the production of Nylon 66 Solution Dye Filament, the conventional dyeing process, which requires water, is replaced by adding color masterbatches during spinning. This water- and energy-efficient breakthrough echoes the environmental trend by reducing the consumption of dyes and chemicals, thus minimizing pollution. Compared with the more matured dope-dyed technology, color options for the masterbatches of nylon 66 filament are limited. Technological thresholds for this product are also higher than those for polyester filaments. Additional challenges for the production include a higher purity in terms of raw materials and highly detailed color specifications from brand customers. The slightest defects may affect production efficiency and tarnish product quality.

FEFC works with prominent international material manufacturers on the development of color masterbatches for nylon 66 filament with specifications that match the color, intensity and shade required by customers. The plant pushed through production bottlenecks with exceptional spinning technology. While meeting customers’ quality standards, the plant has acquired the technological know-how for mass production during the process. Shipment for this product doubled in 2022.