Reveal the world's most expensive protective clothing

Demystify the world's most expensive protective clothing - extra-vehicular space protective clothing worth about 30 million yuan

Astronauts wear the most expensive clothes in the world. Space protective clothing can be divided into in-vehicle space protective clothing and extravehicular space protective clothing according to function. Astronauts generally wear space protective suits during the ascent and descent of spacecraft. The extravehicular space protective clothing is the guarantee and support system for astronauts when they enter the open space activities.

The fabrics of the extravehicular space protective clothing are made of high-grade hybrid fibers, which have high strength, high temperature resistance, impact resistance and radiation resistance. It can supply oxygen and comes with a special battery that can withstand low temperatures. It has an ecological bag on the back and many devices are hidden. The entire space suit weighs about 120 kilograms, worth about 30 million yuan. Compared with space suits in the cabin, there are more protective layers, liquid cooling layers and vacuum insulation layers.

In-cabin space protective clothing from the outside to the inside are the restricting layer, the airtight layer and the wetting layer. The restraint layer is made of high temperature resistant and wear resistant materials to protect the inner structure of the garment and ensure that the astronaut wears a comfortable fit. The inner layer is made of fabric coated with butyl or neoprene to prevent gas from being pressurized by the garment. Leakage; loose wet layer and underwear together, there are many channels, the use of ventilation or ventilation to the air flow to the head, and then to the trunk limb flow, through the limb exhaust outlet to the total outlet discharge, take away the body metabolism Heat. The entire space suit weighs about 10 kilograms and is worth several million yuan.

A small box on the hands of the astronaut before the expedition was ventilation. Before the astronaut goes on the spacecraft, it needs to breathe through this small box to drain away excess heat from the body. This equipment is only used on the way to the spacecraft and is not used on the spacecraft.

This article is a reprint of online media. It only represents the author's point of view. It has nothing to do with this site. If news articles and comments infringe your legal rights, please call us and we will handle it in a timely manner.