As the temperature gradually drops, soft and portable PVC hot water bottles have become a common choice for many people to keep warm. It is lightweight and has strong warmth retention, which can quickly bring warmth. However, many people may overlook a hidden risk - low-temperature burns. This kind of burn is not easily detectable in the early stage because the contact temperature is not high and the process is slow. By the time it is discovered, it often has already caused skin damage.

The material properties of PVC hot water bottles determine that they can keep warm for a relatively long time. If they come into direct contact with the skin for a long time, even if the water temperature is between 40 and 50 degrees Celsius, it may cause the heat to continuously penetrate the deep tissues of the skin. Unlike the severe pain caused by high-temperature burns, in the early stage of low-temperature burns, the skin may only show redness and numbness, or even no obvious pain, which can easily be mistaken for a "normal reaction after keeping warm". However, as time goes by, blisters and ulcers will gradually appear on the skin. In severe cases, it may even damage the subcutaneous tissue. The healing period is long and it is prone to leaving scars.

When using PVC hot water bottles, these details can effectively reduce risks. First of all, when filling water, the water temperature should not be too high. It should just feel warm and not scalding to the touch. Avoid directly injecting boiling water, which may accelerate the aging of the bag body. At the same time, reduce the potential irritation of high temperature to the skin. Secondly, do not place the hot water bag directly against your skin for a long time, especially during sleep at night. It is recommended to cover it with a special velvet cover or wrap it in a towel. This can not only extend the warmth retention time but also prevent direct heat contact.

In addition, before use, check whether the hot water bag is damaged or leaking. PVC material may age and crack after long-term use. If any problems are found, replace it in time and do not force it to continue to be used. For people with high skin sensitivity such as the elderly, children and pregnant women, extra attention should be paid. It is recommended that others assist in checking the temperature, and the usage time should not be too long. The placement position should be changed every 1-2 hours.

The warmth of the cooling season should not come at the cost of health. Only by using PVC hot water bottles correctly and taking proper protective measures can we resist the cold while avoiding the trouble of low-temperature burns, making warmth preservation more reassuring and comfortable.

Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.