what is the scientific reason behind thermocol or low density plastics are used in life saving jackets by Surfers
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The life jackets are made of thermocol and also made of plastic or polyvinyl chloride sometimes. These low density plastic gives the required buoyancy for the swimmer or the person in the water to remain floating in the water until some help comes.
These low density plastics are a live saver, sometimes packed or compressed carbon dioxide is also used inside the jackets to provide the extra air to add more buoyancy.
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