The wax molds are dipped into waterglass solution, with surface coated by the solution.

将蜡件组浸入有璃等涂的缸中，涂上涂。

This is mainly because some manufacturers have adopted the great containing alkaline waterglass glue or adhesive.

主要是因为部分厂家采碱性很大的璃胶或淀粉胶所致。