China Concrete Lightweight Fire Resistant Wall Brick Making Machine, Find details about China Block Making Machine, Block Machine from Concrete Lightweight Fire Resistant Wall Brick Making Machine
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 |