Cement, which is mostly commonly composed of calcium silicates, requires heating limestone and other ingredients to 2,640 degrees F (1,450 degrees C) by burning fossil fuels and is the third largest source of greenhouse gas pollution in the U.S., according to the U.S. Environmental Protection Agency. (scientificamerican.com)
FertAg 0 -8-0's unique plant available calcium silicates have proven in conventional agriculture to strengthen and «sweeten» plants whether pasture or horticultural produce. (austorganic.com)
Engineers have long known that cement derives its strength from an ingredient called calcium silicate hydrate (C - S - H)-- the primary product formed when cement powder is mixed with water. (sciencedaily.com)