First of all, Guangzhou Wanxin Cement Product Factory advises that after mixing concrete or mortar, if it is frozen, the cement product inside cannot be hydrated, and the water freezes and swells, the concrete or mortar will be exposed from the outside to the inside. Gradually damaged.
Secondly, if the concrete or plaster is exposed to sunlight after the operation, the strength of the cement product will be reduced or even completely lost as the water evaporates.
Therefore, Guangzhou Wanxin Cement Product Factory advised that the base course must be cleaned and wet before construction, and then sprinkled and maintained in accordance with the rules. After the final setting of the mortar layer or concrete component, if it is often in a high temperature and hot environment, Guangzhou Wanxin Cement Product Factory feels that it will cause the loss of the strength of the cement product . We must know that the calcium hydroxide in the cement stone will differentiate; and the cement product Some of the aggregates obtained will also differentiate or swell under high temperature conditions. Therefore, if it is necessary to be in a high temperature environment for a long time, Guangzhou Wanxin Cement Product Factory recommends that fireproof bricks can be used to block and protect general mortar or concrete.