Water-absorbing resin is a new functional polymer material, can absorb a hundred times heavier than itself or even thousands of times the water, when it absorbs water expansion and water coagulation, become a kind of hydrogel, water locking capacity is super, so the water can not flow out, even if it is hard to squeeze will not leak.

The main sources of water-absorbent resins are natural polymers or synthetic polymers. Natural polymers are starch, cellulose, chitosan, etc., which means that the potato starch in our daily life can prepare water-absorbent resins; while synthetic polymers include polyacrylic acid (PAA), polyacrylamide (PAM) and polyvinyl alcohol (PVA), etc.

Ultra-thin diapers on the market generally use a composite paper core. Some diapers to pursue to become very thin, it is inevitable to sacrifice the addition of fluffy fleece, and even some diapers will add some glue, which will obviously affect the breathability and absorption of the diapers, in order to make up for this, more absorbent beads will be added, which will inevitably lead to a stiff diaper feel, not skin-friendly, poor infusion. Therefore, the thinner the diaper is not the better, compared with the thickness, breathability and absorption capacity is more worthy of attention. Whether a diaper is breathable or not depends on its material and breathable structure. Those with good materials and reasonable air permeability settings are more breathable.

Mask in the premise of keeping clean, the time to change the new time to wear the length of time shall prevail. Different levels of masks have different use times. According to the recommended use time on the outer packaging of masks, disposable medical masks and medical surgical masks are generally 4~6 hours, and medical protective masks are 6~8 hours. According to the "Guidelines for Wearing Masks for the Public and Key Occupational Groups (August 2021 Edition)", it is recommended that the cumulative wearing time of each mask should not exceed 8 hours; in addition, when the mask is dirty, deformed, damaged, or smells bad, it needs to be replaced in a timely manner.

Not only can virgins use tampons, but they can also go to the gynecologist with increased leucorrhea and itchy vulva, and the doctor can use a long, thin swab to get vaginal secretions for testing.

1. Consumers in the purchase of wet wipes products to confirm that the product packaging is intact, no damage, air leakage, liquid leakage and other phenomena, it is best to purchase packaging with sealed stickers of wet wipes. 2. large package of wet wipes used for a long time, it is advisable to buy small and medium-sized package of wet wipes, in the use of the process of wet wipes extracted should be promptly laminated good sealing paste, to prevent the breeding of bacteria and the volatilization of liquid ingredients. 3. Pay attention to the packaging logo. When shopping, pay attention to the product's packaging identification, give priority to the good reputation, full identification of the product, and according to the scope of application of the product to buy as needed 4. Pay attention to the use period. Pay attention to the shelf life of wet wipes, use within the expiration date, large packages of products once opened and used should be stored in a cool dry place sealed and used as soon as possible to prevent microbial contamination. 5. appropriate amount and reasonable use. Wet wipes are not the more you use the better, infants with wet wipes must be safer than ordinary wet wipes, in the case of non-essential, should try to choose to use water directly to clean the skin. For sensitive people, especially infants and young children, when available, use wipes after the use of water to rinse the skin to reduce the residue of chemicals. Do not use in the eyes, mouth and other parts with mucous membranes, do not use for wounds, redness or eczema areas. If skin abnormalities or discomfort are found after use, stop using immediately and consult a doctor.

By wet strength paper, we mean paper with wet strength agent added. Generally, the wet strength paper is judged by the following criteria: wet strength/dry strength (tensile strength) > 20%. In other words, wet strength paper is paper that retains more than 15% of its dry strength and can resist breaking or dissociation when exposed to moisture or immersed in water.

For new mothers, the choice between diapers and pull-ups is indeed a bit confusing, so please read on. 1. diapers are more comfortable than pull-ups and more absorbent than pull-ups. 2. pull-ups are convenient for children's movement and easy to put on and take off. Reduces overall area and slightly less water absorption than diapers. Reduce the area of the anti-side leakage side, in order to improve the comfort of the child during movement and reduce the area of friction with the thighs during movement. So it is recommended that babies learning to crawl and walk should have pull-ups during the day and diapers at night.

(1) Natural fibers: cotton, wool, hemp, silk. (2) Conventional fibers: viscose fibers, polyester fibers, acetate fibers, polypropylene fibers, polyamide fibers. (3) differentiated fibers: ultra-fine fibers, shaped fibers, low melting point fibers, high curl fibers, antistatic fibers. (4) high functional fibers: aromatic polyamide fibers, carbon fibers, metal fibers.

Hot-air nonwoven and hot-rolled nonwoven are mainly processed differently. Hot-air nonwoven is a nonwoven produced by using hot air from the drying equipment to penetrate the fiber web after the fiber is carded, so that it can be bonded by heat. Hot-rolled nonwoven fabric is a nonwoven fabric produced by heating the web with a pair of hot rollers and bonding it with a certain pressure. Hot-air bonded products are characterized by high fluffiness, good elasticity, soft handfeel, strong warmth and good breathability and permeability, but their strength is low and they are easily deformed. Hot-rolled bonded products are characterized by high yield, low cost, high hygiene, high strength and flat density, etc., but the flexibility and breathability are poor.