Switzerland-based Ciba Specialty Chemicals has introduced two new black disperse dyes.Ciba®
TERASIL® Black SRLN 200% is a black dye with a greenish cast designed for continuous dyeing and
printing of polyester. The dye meets Oeko-Tex Standard 100 requirements. Ciba® TERASIL® Black P-R
is a high-energy black disperse dye with a reddish cast. The dye is suitable for printing and can
also be used for dyeing polyester by exhaust and continuous methods. Ciba claims the dye has good
build-up and can be used to produce both gray and black shades.