Main constituent materials of sanitary napkins
In fact, the hygienic requirements for sanitary napkins are very strict, and the closer the production date is, the more guaranteed the quality will be. Sanitary napkins are sterilized by high-temperature sterilization. After all, the validity period of one-time disinfection is limited. If the period is exceeded, there will be no guarantee of sterility. If sanitary napkins are stored for a long time, they will deteriorate and contaminate even if they are not opened. . Therefore, when using sanitary napkins, you must pay attention to the expiration date, do not buy too much at one time, and it is not suitable for family storage for a long time. Main constituent materials of sanitary napkins
PE perforated film: Commonly known as 'dry mesh surface', it is composed of PE film and special micropores, which can prevent menstrual blood from seeping back and keep the front of the film dry.
Polymer composite paper: Polymer composite paper is mainly composed of cotton, non-woven fabrics, and pulp composites to absorb menstrual blood.
Fluff pulp: Wood pulp and straw pulp after bleaching and extraction of organic solvents.
Polymer absorbent: a sanitary napkin with a high-efficiency gelling layer inside, which can condense the infiltrated liquid into a jelly-like shape, does not seep back after being pressed, and has no sticky feeling on the surface. The material usually used is polymer resin.
PE film: It is made of special polyethylene (PE) plastic film as the base material, a cross-linked acrylic resin as the adhesive, and then processed with several special additives, waterproof and breathable.
Release paper: Release paper is also known as silicone oil paper, or anti-sticking paper. Diapers have a three-layer structure, the first layer is the backing paper, the second layer is the coating, and the third layer is silicone oil. Function: Moisture-proof, oil-proof, play the role of product isolation.