Two eco vat dyes with low heavy metal content are launched,technical indicators and color fastness of Vat Yellow GCL and Vat Blue RC are introduced.

• 环保型低重金属还原黄GCL和还原蓝RC是两只还原染料新产品。这两只还原染料具有高耐光牢度、低光脆性和高耐氯牢度,且染色性能优异。