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Which synthetic fibres are used in making of space suits?
The modern space suit is composed of 14 different layers of material which all contribute in their own way to the survival of the astronaut.
The Liquid Cooling Ventilation Garment
The three innermost layers make up the liquid cooling ventilation garment. This is created from a thin spandex layer that stays snug to the body. This garment is designed to help cool the astronauts and it does this through the use of about 300 feet of tubes which serve to carry cool water over the surface of the spandex thus liquid cooling the astronaut.
The Bladder Layer
Above this layer is the bladder layer, which is the most essential to the astronaut’s survival. The bladder layer serves to maintain the proper pressure dynamic to protect the astronaut and it does this by containing the same oxygen that the astronaut will breathe inside of the bladder layer’s confined space. This layer is also made from the same material as of a tent.
The Ripstop Layer
The next layer is designed to resist any tears that might occur as any direct exposure to space is incredibly dangerous. This layer is aptly referred to as the ripstop layer.
Layers of Mylar Insulation
After the ripstop layer, there are seven layers of mylar insulation, a material used often in food storage. This mylar insulation helps to stabilize the temperature of the astronaut much like a thermos or a cooler would stabilize the temperature of your food.
The Final Layers of a Space Suit
The final layer is composed of three fabrics that each serve their own purpose. Kevlar, the material used to create bulletproof vests, makes up one of the layers and serves as a general-purpose protective layer. The other two layers are interesting because they serve nearly exact opposite purposes as one is waterproof and the other is fire-resistant.
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