Product Main

Specifications

we are professtional exporter of cnstruction equipment. And we can supply the output is 50 thousand m3,100 thousand m3 and 150 thousand m3 per year.


The material is:


 


A.Raw materials and techincal data:


(1). Quicklime: CaO content, ≥75%; clearing up time, 8-15 minute; clearing up temperature, ≥65℃; Overheating lime content, ≤8%; Ash content, ≤10%; MgO, ≤5%.
(2). Gypsum: dihydrate plaster stone or phosphogypsum, sulphur trioxide content, ≥35%.
(3). Aluminium powder: activated aluminium content, ≥90%.
(4). Cement: 32.5R bulk cement.
(5). Fly ash: carbon content, <3%;
(6). Sand: SiO2 content, >85%; Clay content, <3%; Free from weed and carpolite


Products variety:
45 kinds of products can be manufactured according to clients’ requirement.
Length: 600mm;
Height: 150,200,250,300mm;
Thickness: 50,100,150,200mm
60,120,180,240 mm


Main technical data:


(1). Finished products: 600KG/m3;
(2). Proportion: cement, 8%; Quicklime, 19%; sand, 70%; Gypsum, 3%; aluminium powder, 450g/m3; addictives: 400g/m3.
(3). Each mould products: 4.0×1.2×0.6=2.88 m3.
(4). Agitation period: 6-7 minute;
(5). Pouring slurry temperature: 45-48℃;
(6). Concrete green body staying time: 2.0-2.5hours; staying temperture: 85-93℃;
(7). Steaming with pressure: Entering into and out from kettle: 0.5 hour; vacuumizing process (evacuating process): 0.5 hour; Steping up: 1.5 hour; constant pressure: 7 hours (1.4 MPa); Steping down: 1.5 hours; total 11 hours.