China AAC Concrete Wall Brick Making Machine, AAC Brick Production Line, Find details about China Block Making Machine, Block Machine from AAC Concrete Wall Brick Making Machine, AAC Brick Production Line
Processes | Parameter |
Mixing period | 5-6 minutes |
Pouring slurry temperature | 40-45ºC |
Cake curing time | 2.5-3.0h |
Cake curing temperature | 45~55ºC |
Cake strength after curing | 0.15~0.18MPa |
Autoclaved curing system before-after autoclave | 0.5h |
Vacuumize | 0.5h(0~-0.06MPa) |
Listing pressure | 1.5h(-0.06~1.3MPa) |
Constant pressure | 8h(1.3MPa) |
Releasing pressure | 1.5h(1.3~0MPa) |
total | 12h |
Name | AAC block |
Weight | 300~600 Kg/m3(control led by formula) |
After autoclave compressive strength | average value≥3.5MPa, Min. value<=2.8Mpa |
Drying shrinkage value | Measured under condition of rapid method≤0.8mm/m;Measured under condition of standard method≤0.5mm/m |
Frost-resistance | After the cycle of freezing and thawing for 15 times,weight loss≤ 5%, strength loss≤ 20% |
Coefficient of thermal conductivity | ≤0.14~0.16W/m.k |