Polypropylene plastic woven bag is used for outer packing and polyethylene film belt is used for inner packing. If aluminium sulfate is placed in open space, there will be the following problems. The packaging will quickly aging due to sunshine, which will expose polyaluminium chloride to open air. When solid polyaluminium chloride contacts with air, it will quickly absorb moisture in the air and cause moisture degradation. The following measures are recommended. Shi:

1. Store the product under a well-ventilated shade. It is not suitable to use the method of covering awning cloth. Therefore, the method will lead to the non-circulation of air between products, increase the temperature, accelerate the aging speed of packaging, and shorten the storage time.

2. Priority should be given to products stored in the open air. Due to the above reasons, products stored in the open air may affect the quality of products after one and a half months. Therefore, please use them first or change the storage mode when they are due.

This is how to preserve aluminium sulfate. In preservation, we should pay attention to the above matters, to prevent some objective factors leading to its oxidation and decomposition, once the product fails, it will lose the cost of the enterprise, so we should pay special attention to it.