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Common erroneous methods for desiccant testing (4)
Common erroneous methods for desiccant testing (4)
Release Time：
2018-11-28
When testing the moisture absorption effect of desiccants, some customers open the outer bag of the desiccant and only take the desiccant raw material (granules or powder) for testing. This approach is also incorrect.
To make Desiccant When testing the moisture absorption effect, some customers open the outer bag of the desiccant and only take the desiccant raw material (granules or powder) for testing. This approach is also incorrect.
Reason: First, it confuses Desiccant The concept of raw materials and finished products. Desiccant raw materials refer to the inner packaging of the desiccant, which is the content inside the desiccant. Any of the contents of the desiccant can be called desiccant raw materials. Some finished desiccants are composed of a single desiccant raw material, such as silica gel desiccant and mineral desiccant, while some desiccants are formed by mixing two or more chemicals (such as sea freight desiccant and calcium chloride desiccant).
Secondly, the role of the outer packaging bag of the desiccant in the finished desiccant is ignored, and the outer packaging bag of the desiccant is Desiccant An integral part. Therefore, when conducting tests, the test should not be limited to the content raw materials. In fact, to some extent, the packaging material is more important than the raw material. Especially in food and pharmaceutical packaging, the packaging material of the desiccant is in direct contact with the product. Moreover, the strength and air permeability of the packaging material directly determine the quality of the desiccant.
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