1.选用耐黄PU胶
Choose yellowing-resisting PU adhesive.
2.选用耐黄变型固化剂
Choose yellowing-resisting hardener.
3.在粘合界面间的溢胶处涂上耐黄变覆盖液
Brush yellowing resistant repairing agent to cover over-applied.
4.选用耐黄性好的鞋材
Choose yellowing-resisting material of sole and upper.