这是化学小子的官方HOW TO USE:
3. Once removed allow 20 min. time and apply a second layer to assure even coverage.
很清楚,这个所谓堆叠是为了“使覆盖范围更平坦”,专门指出了这个目的。
这是DW的 Product imformation:
For maximum durability, allow the sealant to cure for 24 hours prior to applying another coat.
这是为了“最大限度的持久”...