any substance used to seal joints or fill cracks in a porous surface
sealing material的用法和样例:
例句
Seal materials for furnace expansion joints. 窑炉砌体膨胀缝密封材料。
The gasholder was pressurized by the connection of a side plate with a piston through a kind of flexible rubber sealing material. 该气柜主要借助于一种柔性的橡胶密封材料将气柜侧板和活塞密封连接。