Manufacture of fresh mortar involves adding pore-forming granules and dry mortar to pastry bag, adding water, filling pores with water, and disintegrating grains

摘要

A pore-forming granules and dry mortar are added to a pastry bag. Adequate amount of water is added, and pores are filled with water. The disintegration of grains is carried out by explosive effect using disintegrant, and fresh mortar is produced by compression or granulation system.