The block is in the autoclave for hardening in 1.3Mpa (193°C±5°C) steam which is made by boiler for 8-10 hours. When it is fully hardened, it would get out of the autoclave for packing and delivery. The capacity of output has to do with the autoclave (usually two styles of autoclave: diameter of 2 meters and diameter of 2.5 meters; the length is according to the requirements).