Mineral pumice is a light grain of volcanic activity. The main advantage of mineral pumice compared to similar building materials such as sand is its very low specific weight and high degree of hardness, and the color of this mineral is white, gray with a tendency to white or yellow.
Mineral pumice contains various grains from dust particles to large pieces with a diameter of more than 100 mm. Each of the above sizes is used for specific purposes. The history of using mineral pumice goes back to the fact that in the past Roman engineers used this mineral in ancient buildings in 1969. Today, in addition to domestic consumption in Iran, it is also exported to Persian Gulf countries, UAE, Saudi Arabia, etc
