How long can a pair of self-heating insoles last?

As we all know, the cold starts from the feet, especially in winter, people like to put thick insoles in their shoes to keep warm, and insoles that can heat automatically have become everyone's favorite. However, many people have doubts about how long a pair of self-heating insoles can be used when using them . Let's take a look with Feng Chao from Dongguan .

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How long can a pair of self-heating insoles last?

A pair of self-heating insoles can be used for about a day.

Generally, self-heating insoles are disposable and can keep heating for about 10-15 hours each time. When using self-heating insoles, first of all, they should not come into direct contact with the skin. The best way is to stick them directly on the shoes. In addition, self-heating insoles are not suitable for use with other heating tools. If you have already put on self-heating insoles, do not use any other equipment such as heaters to avoid local overheating and burns to the skin.

Can the self-heating insoles be reused?

Self-heating insoles cannot be reused.

Self-heating insoles are the most popular heating products nowadays. They work on the same principle as a hand warmer. They are mainly made of carbon powder, iron powder, water, salt water and some additives to form a primary battery for discharge. Then, because there is no positive or negative pole, the electrons cannot be separated into positive and negative electrons and discharged, thus forming a short circuit directly, thereby generating heat. When the vacuum bag of the self-heating insole is opened, it will gradually start to heat up, with the highest temperature reaching 63°C and the average temperature being 53°C. The duration is 10-14 hours, depending on the amount added, generally about 12 hours.

Are self-heating insoles disposable?

Self-heating insoles are disposable. It automatically heats up when it comes into contact with air, does not need to be charged, and has no safety hazards. The insole is disposable and cannot be cut or reused. It is a one-time heating product, cannot be cut or washed, and can generate heat for 12 hours. And this kind of thing is definitely harmless to the body, but it cannot be used barefoot. If you apply it directly to your skin, you may get burned.