EXPANDAG Non explosive demolition agent is a kind of expansive chemical product, which is designed to instead traditional dynamite, it works with non-explosive and soundless, even no vibration,which is popular in the international quarrying and demolishing market. When mixed with clean and cold water to be mortar and poured into pre-drilling holes of rock and concrete, it swells and exerts expansive capabilities on the hole-wall at a unit value of more than 50 Mpa (500kg/cm2 or 1,058,203.00 pounds/ square inch.) which is strong enough to cut and crack concrete, marble and granite after a certain period.