... . \4. DETAILED PRODUCT DESCRIPTION foam block machine, aerated autoclaved concrete plant, AAC block,aac production line,aac plant,AAC brick ... ,autoclave aerated concrete block,concrete block machine,light weight block 1 Product weight is ... mixing timeS30-40 Reference: cement is 42.5 Portland or 42.5 common cement 2011 China aac line base with high quality