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Persona de contacto Ms. yu
No.60Chongqing Street,, Tianjin, Hebei
Sulfur Black dye is more sulfur polymer, its structure and contains more sulfur disulfide bond, and very unstable. Especially the multi-sulfur bond in a certain temperature and humidity conditions, the oxygen in air can be oxidized to sulfur oxides, and further with the role of water molecules in the air in the form sulfuric acid, thereby reduce the yarn strength, fiber brittle damage, serious when all the brittle fiber into powder
