The process of making curb stone molds

1. First of all, the surface layer is matched with 100 jin of cement, 8-9 jin of iron red, 200 jin of fine sand, put it into the mixer until it is relatively uniform, put 5 jin of brightener into about 25 jin of water, stir it slightly, put it into a blender, and then add an appropriate amount and stir it into a fabric with good fluidity that is not thin and thick as for the container.
2. Put an appropriate amount of surface material (about 0.5-1 cm thick) into the mold box, vibrate slightly for 5-10 seconds, and leave it for 15-30 minutes (soft and hard always) before putting in the bottom material.
3. After the bottom layer is inserted, the production process is basically completed after 15-30 seconds and 15-30 seconds of vibration.
4. Maintenance, put into an appropriate closed environment for maintenance is best, try to avoid sun exposure, wind blowing, according to the temperature and environment 1-3 days to demold is preferred, in the maintenance of 3-5 days can be used in the factory.