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What other materials are used in planes (e.g seats, cabin, etc.)?


Many different materials are used!


Airplaine seats are designed to be light, but at the same time strong, and even fire resistant! But they also need to be comfy for a person to sit in for a long time. Usually they are made of light alumnium (like the rest of the plane) with blocks of polyurethane foam. Sometimes they have fire-resistant fabric, like Kevlar, covered by a layer of cloth.


The rest of the aircraft cabin interior is made up of a wide variety of materials. The walls that seperate the seating areas are filled with fire retardant foam. The material that coats the sides of the cabin is made of plasticizers.