Now uses microcapsulation to optical variable dye coating to shenshixiao, General particlesize of 1-10 micron, coated optical variable after the dyes, its degree of reacive.

• 此刻拔取微胶囊技艺把平变染料包覆于胶囊洋，凡是粒径为1-10微米，用微胶囊包覆后的平变染料，其耐平牢量不小不小提矮。