Boiling water in a plastic bottle is not something beyond. Everything is very simple. And although such a need may not often arise, you need to know that in which case plastic can cope with boiling water no worse than a metal pot or pan.
Boiling water in a plastic bottle, how to boil water in extreme and emergency conditions.
For example, imagine the following. In an extreme or emergency situation, for example, if a person is lost in the forest, he has run out of drinking water, the suitability for drinking typed in an unfamiliar source is doubtful. Since it was planned to go out into the forest for a short time, the kettle was not taken, only a liter plastic bottle from under mineral water.
In addition to the bottle, all that is needed to make water boil is a knife, cord or rope about a meter, a lighter or matches, two or three branches 1.5–2 cm thick. As a cord, you can use laces tied together. If the shoes are without laces, then the lanyard from your favorite folding knife, which opens into more than a meter cord.
folding knife. An adjustable eyelet at the end of the lanyard adds comfort when using the knife. For example, when you need to hang it next to yourself on a twig or knot. The tightened loop, which passes through the holes in the knife, fixes and holds the lanyard in the upper suspended position so that it does not climb under the arm and does not interfere.
Given that the photos are not able to fully display the whole process of boiling water in a plastic bottle, we suggest that you additionally watch small videos. Directly a plastic bottle on the fire, and on the right in the video is the moment when the bottle needs to be shifted slightly to the side and the flame of the fire is increased.
The boiling water is over, on the right side of the video, part of the water splashed out and extinguished the fire, the boiling stopped.