Cement products, Wang Wensheng means refers to the use of cement as a raw material, adding certain materials such as lime coal slag, etc., through molding and other procedures to make products of various shapes, is our most common cement products. However, I need to remind you that the cement products need to be moisturized and maintained within 12 hours after pouring, and they need to be covered together.
As for the maintenance time of cement products, we need to decide on the specific situation. The concrete mixed with portland cement, general portland cement or slag portland cement shall not be less than 7 days; the concrete mixed with retarding admixtures or impermeability requirements shall not be less than 14 days; watering The number of times insisted that the concrete is in a wet state, and the water used for maintenance should be the same as that used for mixing.
Special reminder: If the average temperature of the day is lower than 5 degrees Celsius, do not sprinkle water. Cover the maintained concrete with plastic cloth, and all exposed surfaces should be covered tightly, and there should be condensed water in the plastic cloth.