| 摘要 |
<p>There is disclosed a package with controlled humidity for storing products such as tobacco and food. The package is an enclosed container with a humidistat pad inside which pad serves as a spacer and holds a humectant solution in its liquid phase in an absorbent interior layer. The pad has a liquid impervious backing layer to protect the walls of the container from the liquid humectant solution. The pad also has a liquid permeable cover which can rapidly transfer the humectant solution deposited on it to the absorbent layer during filling of the container with the product.</p> |
