Felt manufacturers can use natural wool when making them. A few products are made of other animal hair. The following editor will introduce how to choose felt.
On the one hand, when selecting, pay attention to the unit volume weight of the felt. If it is too large, it will lose its elasticity, and if the unit volume weight is too small, it will lose wear resistance. The unit of use can be appropriately selected according to the requirements of use. On the other hand, each type of felt is divided into special felt and general felt. The difference between the varieties is divided according to the thickness of the raw material, the size of the unit volume weight and the difference in color; the difference in technical requirements is according to the presence, absence of strength, and elongation. , Capillary action to divide.
The above is a simple introduction to the selection of felt products, I hope it can be helpful to everyone, so that you can choose excellent products.