What is the information on drying conditions that affect mirror effect?

For non-solvent-resistant substrate (PC), mirror effect properties are greatly affected by drying conditions. This is especially true for PC molded products. The optimal drying conditions vary depending on the grade of PC resin used, molding conditions, etc.

Mirror effect can be obtained by initial drying at low temperature and subsequent drying at high temperature. (Initial drying at low temperatures suppresses the effects of solvent attack and improves the mirror effect because the aluminum pigments are well oriented.)