What are the life jacket materials?
Release time:
2021-05-27 11:12
Source:
When a ship is shipwrecked at sea, life jackets become the hope of passengers. So the quality of the life jacket is related to your safety in the water. Well, fit to doLife jacket materialWhat is it?
FitLife jacket material:
1)There are two kinds of fabrics for life jackets, one is a special nylon material, which is cheaper and versatile, but not durable; the other is neoprene(Diving Materials), Expensive, soft and comfortable, resistant to friction. Only good life jackets will use this fabric.
2)There are also two kinds of lining in the life jacket.(I. e. buoyant objects). One is polyethylene foam, which is relatively cheap, has sufficient buoyancy, and has a wide range of applications, but the buoyancy will change with the extension of soaking time in water5%Left and right. The other is:ultra-light ultra-buoyantEPEPearl cotton, obviously more expensive than foam plastic, obvious advantages. The life jacket is easy to fold and dry when stored due to high buoyancy. What's more, the buoyancy decreases significantly less with prolonged immersion in water.
3)Reinforcement and life jacket reinforcement commonly used two methods. The first kind:Lanyard, generally a low-risk life jacket. This was widely used in early life jacket designs. The second is the zipper+Buckle, is a widely used life jacket.
4)Accessories and life jacket accessories commonly used in two ways, one is the survival whistle, now life jackets are basically standard, the other is cloth reflector. If visibility is low when working at sea, we strongly recommend it as a standard. If it is a general pastime, it is generally not suitable.
Life jacket materialRequirements:
1)The plastic shall be a soft, closed-cell foam which shall not be eroded by sea water, oil or mold during the period of validity and shall not affect its normal use. available in-30c ~ 65c (243 ~ 338k)The temperature range of non-destructive preservation, in-1c ~ 30c (272 ~ 303k)The temperature range maintains performance.
2)Kapok is rich in oil and shall not contain other impurities, and its physical properties and water content shall meet the requirements of the specification. Surrounded by hydrocarbon flames2After seconds, it should not continue to burn away from the ignition source. A waterproof inner sleeve made of rubber or other waterproof materials is required between the kapok and the life jacket cloth.
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