Paver bricks Procedure
News 2023年3月11日 151
1,The raw material:42.5 Portland cement;River sand(rough sand);gravel5-10mm;water
2,Mix the color concrete (first layer) and Second layer normal concrete as the ratio ,keep
mixing 10-15 minutes ,no stop mixing ,and be sure the concrete should be sticky ,not more
thin(liquid) and no more thick(dried).
3,Stir the concrete more than 10 minutes and Pour the color concrete(first layer) into the plastic
molds,then vibration for 10-15S until the bubble come out from the concrete;and keep the color
concrete thickness more than 10mm;then pour the concrete (second layer)into the molds ,to
level it fully.
4,Move the plastic molds to the drying room or shed,keep the temperature about
50C(need to install a heator in the drying room),keep drying for 10-15 hours then demolding
from the plastic molds;If drying in a normal temperature(15-30C),it need 26-48hrs then start to
demold.
5,Stock the paving blocks at the warehouse for more than 7 days,can spray water on ,then you pack
for selling.