Experiment 5: Showing the air permeability of the underlying layer of Anion Sanitary Napkin

Love  Moon                    Other Brand

We use underlying layer of Love Moon Anion Sanitary Napkin and other brands to cover a glass of hot water. Wipe three other empty glasses dry and put each of them upside down on the underlying film covering the glass of hot water. After one to two minutes, the reserved glass covering the ‘Love Moon’ sanitary napkin underlying layer is noted to have vapor on its side, proving that the layer has good air permeability. Turn the glass of hot water covered with the ‘Love Moon’ layer upside down and show that no water can flow through the layer.

The experiment proves: ‘Love Moon’ underlying layer is permeable to air but not water can flow through the layer.