Chemical grouted or sandwich flameproof glass are easy to become milky white and produces air bulbs and loose basic transparency of glass. 化学灌浆或夹层防火玻璃在紫外线照射下容易变成乳白色及产生汽泡，失去了玻璃基本的通透功能。
De la Mora notes that in handling other small co-packing jobs, his company had developed slow- and medium-speed equipment and chemical filling capabilities. 德拉莫拉指出，在处理其他小公司包装工作，他的公司已经发展缓慢和中等速度的设备和化学灌浆能力。
