Optimum concentration is 4%-5% sulphuric acid and mixed thickener with emulsion thickener and gum tragacanth and white dextrin. Better stability of printing paste and excellent effect of burn-out printing are available.

  • 选用浓度为4%~6%的硫酸及乳化糊、龙胶、白糊精拼混糊料,印浆稳定性好,烂花效果佳。

  • 互联网摘选 2025-01-20 17:26:58

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