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Recognize Wetness Indicator Glue

At present, diapers have been widely used in infants and adult incontinence. Diapers have strong liquid absorption capacity. It can completely absorb urine into the product. When the urine is absorbed to a certain amount, it needs to be replaced. However, it is sometimes difficult to observe it with the naked eye, especially for inexperienced young parents. In addition, if not replaced in time, the humid environment will lead to "red buttocks" and even eczema. At this time, wetness indicator glue came into being. Today, let's take a look at this kind of hot melt adhesive.

 

 

1.What is wetness indicator glue?

In daily life, careful parents will find a line between the front and back of diapers. Usually, this line is composed of three small lines, which are usually called urinary visible lines. For most novice parents, they can basically judge when to change their baby's diapers by the "discoloration line" - the wet urine display bar on the diapers.

Simply put, the wetness indicator glue of diapers refers to a color indicator strip that can be seen on the outermost layer of diapers. It has the indication function of changing color when encountering urine. It is mild in nature and will not stimulate the skin of infants. Its basic function is: when the urine strip is soaked by the baby's urine, it will have obvious color changes, and parents can intuitively judge whether the baby needs to change diapers.

However, generally speaking, the normal use time of diapers is 3-4 hours. Even if the urine is not displayed accurately, it should be judged according to the time, and the diapers should be replaced in time.

wetness indicator glue

2.What is the discoloration principle of wetness indicator glue?

The color changing urine display adopts the hot-melt wetness indicator glue technology. This kind of hot melt adhesive is coated on the bottom film in the form of lines and faces the side of the core layer. When urine is soaked in the core layer, it is transmitted to its surface, and its pH value will change, which will then lead to color changes, so as to achieve the visual monitoring effect of urine.

 

3.How to determine the wetting degree of baby's urine through wetness indicator glue?

Generally speaking, the diapers on the market are yellow before being absorbed by wetness indicator glue. When the diapers absorb 50ml of urine, the color turns to light green; After 100ml absorption, the color turns dark green, and the color range is longer than 50ml absorption, thus prompting parents to change diapers. When the whole color of the urine display line of the diaper changes, it is proved that the diaper has absorbed the urine of the upper limit of the diaper. At this time, parents should replace diapers for infants in time.

hot melt adhesive

Diapers need to be changed according to the healthy frequency. If they are replaced too frequently, it will cause waste and make little sense; If they are replaced too little, it will make the urine wet the buttocks and cause eczema. Therefore, when purchasing diapers, you can pay attention to whether there is urine display function in the product packaging instructions. Buying a diaper with wetness indicator glue is more economical and healthier for consumers.

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Dalibor Hajdinjak

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