Identify the quality of sanitary napkins Test water absorption. Pour the water slowly on the sanitary napkin, while pouring the water it can be sucked into the sanitary napkin, when finished, the surface can not see the water which can be proved that the water absorption of sanitary napkin is good. Take a dry paper and spread it on the pad. Then press heavily on it with the palm of your hand to test the repermeability of water in the sanitary napkin. Look at the material In order to measure the quality of the sanitary napkin’s surface material, you can tear layer by layer, tear slowly from one end to tear. If the surface is non-woven fabric, it is more difficult to crack. Transparent particles are water absorption factors, if the water absorption factor is fine and shiny, and with strong water absorption which can be proved that the surface material of sanitary napkin is good. Test the water absorption of water absorption factor. Put the water absorption factor into a cup filled with half a cup of water, about 30 seconds later, put the cup upside down on the palm of your hand, if the water absorption factor becomes a solid cup shape, it indicates that the water absorption factor is very good. Test the air permeability of the last layer of bottom film. The bottom film is related to menstruation, whether the private parts are breathable, if not breathable, is the best environment for mold invasion. Fill a glass half full of hot or warm water. Put the bottom film over the mouth of the glass, then invert the cup over the film. Use clear plastic cups. Slowly watch the foggy water on the inverted cup. If there is obviously foggy water in a short time, it represents strong air permeability. On the contrary, it is an airtight plastic bottom film material.
Read MoreThe usage of SMS non-woven fabric The applications of SMS non-woven fabric in different fields from the perspective of the thickness of non-woven fabric: First, 10-25gsm SMS non-woven fabric is thin SMS non-woven fabric, this SMS non-woven fabric has good waterproof and breathable, which is suitable for the hygienic market. For example, used as the side leakage and back lining of sanitary napkins, sanitary pads, baby diaper, adult incontinence diaper. Second, 25-50gsm SMS non-woven fabric is medium thickness SMS non-woven fabric. In the medical field, it is used for surgical gowns, surgical bag cloth, surgical cover cloth, sterilization bandage, wound paste, plaster paste, etc. It is also suitable for work clothes and protective clothing in the industry. SMS products have good isolation performance. SMS products that have been treated with triple resistance and anti-static are more suitable for high quality medical protective materials. They have been widely used in the world. Third, >55gsm SMS non-woven fabric is thick SMS non-woven fabric, widely used as efficient filtration material for all kinds of gases and liquids, meanwhile it is also an excellent efficient oil absorption material, used in oil removal from industrial waste water, marine oil pollution cleaning and industrial rag.
Read MoreAir-laid Paper---sanitary napkins The main ingredient of air-laid paper is wood pulp. Air-laid paper is also called air-laid pulp non-woven fabric. It is made of chemical fiber filament double woven. Air-laid paper is a kind of high elasticity of dry non-woven fabric, with soft surface, soft, with excellent hand feel and drape,easy to wipe sensitive surface, friction without fiber, with extremely high water absorption and outstanding water retention function, which is widely used in health care products. Air-laid paper has two main characteristics: the material is wood pulp fiber and the choice of airflow into the network skills. The production technology of non-woven mainly consists of two processes: netting and reinforcing. There are two ways to make air-laid paper: Chemical bonding method Using wood pulp fiber (fluff pulp) as the raw material, a single fiber state of the fiber through the air flow into a network, with the method of spraying water-soluble adhesive spray onto the surface of the fiber network, and then bake and reinforce into cloth. The products are mainly used for industrial wipes, women hygiene products, baby wet wipes,etc. Hot bonding method Mixing hot melt fibers into the fluffy-pulp fibers, the proportion of which is generally not less than 15%. After the air flow into a network, the low melting point fibers in the fiber network are fused through hot air or hot rolling, and the fiber network is reinforced into cloth. Using hot bonding method the non-woven fabric has better fluffiness and hygroscopic properties because they do not contain chemical adhesives. They are mainly used as absorbent core of high absorbent sanitary products and thin women sanitary napkins. To sum up, air-laid paper is essentially non-woven fabric.
Read MoreThe main components and the advantages of the wet toilet paper The ingredients of wet toilet paper are mainly divided into four parts: fabric, water, bactericidal/ bacteriostatic agent, and other components. 1. Fabric: Most of it is wood pulp plus viscose fiber. 2. Water: It’s the soul of wet toilet paper. According to the purity of water, it has pure water, RO pure water and EDI pure water, and the purity of water increases in turn. 3. Bactericidal/bacteriostatic agents: The common bactericidal and disinfection ingredients are benzalammonium chloride, chlorhexidine acetate, benzalammonium chloride, chlorhexidine gluconate, etc. 4. Other ingredients: Various common plant extracts, which generally have hydrating, perfuming, antibacterial and anti-inflammatory effects, as well as some essential oils for moisturizing. Wet toilet paper is softer, kinder, more functional and less damaging to our skin than regular dry tissue. Wet toilet paper has the following advantages. 1. Wipe more clean. There are many folds around the anus, and wet toilet paper can erase the residual secretions in the folds, which is more hygienic. In female's menstrual period, can also give more care. 2. It can effectively avoid bacterial breeding caused by hemorrhoids diseases, gynecological diseases and other anal health problems, and achieve the effect of eliminating bacteria and odor. 3. The skin around the anus is more delicate. Wet toilet paper is more soft and comfortable to use. 4. Wet toilet paper can also be thrown straight down the toilet after use. Wet toilet paper is flushable wipe, it is dispersed by the flush of toilet water so they don't clog drains.
Read MoreRelease paper---An isolation layer of sanitary napkins When using sanitary napkins, the paper torn off is the release paper. Release paper is a compound coated with silicone oil for isolation. Release paper is a kind of anti-stick paper to prevent the prepreg from sticking and to protect the prepreg from contamination. Anti-stick paper, also known as isolation paper or silicone oil paper. Composed of three layers, the first layer is bottom paper. The second layer is coating film (domestic general use polyethylene (PE) particles for coating). The third layer is silicone oil. Release paper can be used in electronics, car foam, printing, food, medical and so on. In most cases, it is used with adhesive materials, such as tape. Release paper is usually used for products that use tape. It usually needs to be stripped and thrown away when used. Now the release paper is widely used, it is mainly the carrier of tape or adhesive products. The release paper should meet the following conditions: 1. Can stick to the prepreg, but easy to separate the release paper and the prepreg. 2. Couldn’t pollute the resin system or have chemical reaction with the resin system. 3. The length and width of release paper remain unchanged under the change of temperature and humidity, so as not to cause wrinkling of release paper and wrinkling of prepreg material. 4. With enough density can prevent water from entering into the prepreg. 5. The elongation of the release paper after traction should be consistent with the fiber to prevent deformation or distortion of the prepreg in the preparation process. 6. Its thickness and unit area quality is not easy to accurately control. 7. Release paper is made of paper coated with anti-stick material, its model should be differentiated according to the material, thickness, elongation, single and double side.
Read MoreOne of the closing system part of diapers---side tape It is very important for whether it is easy for parents and babies to put on and take off the diaper, whether the baby wears diapers to affect the activity. The diaper is designed with side tape in order to make it easy for infants to wear the diaper, and to open or re-wear the diaper after inspection. Side tape is many small and even hooks (hook side)on one side, and a lot of pile loops on the other side (loop side). The distribution of small hooks and pile loops on the side tape is even. The two straps are aligned and gently squeezed to create a adhesive force. Side tape is used for wearing, connecting or opening diapers. It has the advantages of convenient inspection and quick recovery, and the Side tape can be used repeatedly. Good Side tape is made of specialized PP(polypropylene) raw material, it has no adverse effect on the infant's skin. There are three main types of diapers: zigzag diapers, waist stick diapers and pants diapers. Waist sticker diapers have side tape on both sides of the diaper, the design is three-dimensional, can wrap the baby's butt. Most of the diapers on the market are waist stick diapers. The waist stick diaper ensures that the diaper fits the baby's waist better, and will not shift, loosen or fall off even if the baby changes the body position. Good quality diapers, the side tape can be used many times, constantly adjusted to the appropriate size, so that the diaper will not loose or tight will not cause side leakage. Like Sinbao diapers, with good viscosity of the side tape, and designed with a soft elastic waist. It can make the baby feel comfortable and natural, but also can enhance leak proof. If the baby's mother uses a care product such as oil, powder or body wash, these care products may touch the adhesive position and reduce its adhesion. Therefore, when wear diapers, try to ensure that the hands are dry and clean, according to the baby's waist, put the buckle(side tape ) on both sides , aligned with the waist stick part and then stick well.
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