Traditional Expansive Mortar Non-Explosive Demolition Agent Brighttop Global Co., Ltd is the top manufacturer of non-toxic, non-explosive expansive grout, a demolition agent used to crack rocks or boulders in a predictable time frame. Silent blasting expansive agent, also commonly known as non-explosive demolition agent or static cracking agent, is a non-explosive breaking material mainly composed of calcium oxide. It generates extremely high expansive pressure through a