soluble vat dye的用法和样例：
- Discharge printing of the real silk fabric was performed with vat dye paste for printing the patterns and vinyl-sulfone reactive dye for the ground.
- Whether vat dye, disperse dye or reactive dye, the color fastness mainly depended on dye structure and dyeing process.
- Vat dyes remain the first choice for dyers thanks to their superior fastness to various conditions.
- Its dyeing reproducibility is higher than that of exhaust vat dyeing, along with quality stability and energy saving.
- Emphatically approaching to the clothes-dyeing made use of vat dyes,reactive dyes and paint.