Automatic Hydraulic Press, Hydraulic Press, Refractory Brick Machine manufacturer / supplier in China, offering Automatic Refractory Hydraulic Press for Brick Making, Autoclaved Aerated Concrete Block Machine for Building Material, AAC Plant Solution, Automatic Lightweight AAC Brick Making Machine for Building Material and so on.
Min. Order / Reference FOB Price | |
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1 Piece | Contact Supplier |
Local Area: | Maanshan, Anhui, China |
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R&D Capacity: | OEM, ODM, Other |
Payment Terms: | LC, T/T, D/P, PayPal, WesternUnion, Small-amountpayment |
Certification: | CE, ISO |
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Customized: | Customized |
Automatic Grade: | Automatic |
Chart 1 the parameter of the processes
ProcessesParameterMixing period5-6 minutesPouring slurry temperature40-45ºCCake curing time2.5-3.0hCake curing temperature45~55ºCCake strength after curing0.15~0.18MPaAutoclaved curing system Before-after autoclave0.5hVacuumize0.5h(0~-0.06MPa)Listing pressure1.5h(-0.06~1.3MPa)Constant pressure8h(1.3MPa)Releasing pressure1.5h(1.3~0MPa)total12h
RAW MATERIALS1. Low density: Can be 325kg /m3
2. Good thermal insulating properties
3. Cost few time to build, saving time
4. Easy to operate, saving labor cost
5. Good performance of preventing fire
6. Good sound-insulation properties
7. Durable, anti-seismic, recyclable
Chart 2 Specification & Index
NameAAC blockWeight300~600 Kg/m3(control led by formula)After autoclave compressive strengthaverage value≥3.5MPa, Min. value<=2.8MpaDrying shrinkage valueMeasured under condition of rapid method≤0.8mm/m;Measured under condition of standard method≤0.5mm/mFrost-resistanceAfter 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
ProjectIndicatorHigh-class
(A)Qualified product
(B)Permissible variation of dimension
mmLengthL±3±4WidthB±1±2HeightH±1±2Missing angleThe min. size not more than /mm030The max. size not more than /mm070Missing angle no. larger than the above size, not more than02Crack lengthThe crack length through one edge and two surfaces not more than crack directional size sum on crack surface01/3The crack length of any surface can not be larger than crack directional size01/2The cracks larger than the above size, not more than030The depth of cracking, sticking, damage can not be more than/mm01030Plain bendingNot allowedSurface porosity, lamination crackNot allowedSurface oilNot allowed
Strength levelCubic compression strength (MPa)Average not less thanSingle group min. not less thanA1.01.00.8A2.02.01.6A2.52.52.0A3.53.52.8A5.054.0A7.57.56.0A10.0108.0
Dry density levelB03B04B05B06B07B08Dry densityHigh-class (A)≤300400500600700800Qualified product (B)≤325425525625725825
Dry density levelB03B04B05B06B07B08Strength levelHigh-class (A)≤A1.0A2.0A3.5A5.0A7.5A10.0Qualified product (B)≤A2.5A3.5A5.0A7.5