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Why EPE pearl cotton doesn't sink into water

Number of hits: Update time: 20 / 07 / 30 15:02:07 source: jsjias.com close Sharing:
EPE pearl cotton this kind of material often appears in all kinds of express cartons, one opens the express box inside will put some soft pearl cotton material. Some users will find that it can float and can't sink into the water when they put it in the water. Why is that?
1. EPE pearl cotton density is too low. Its density is 16-18 kg / m3, far less than the density of water.
2. Its material EPE is foamed. PE contains many cavity structures, which can not be immersed in water. Like EVA and EPS, it belongs to high buoyancy foaming polymer. Many life jackets are filled with EPE. Prevent drowning.
Although EPE will not sink into the water, it will not be closed. So it's buoyant. It won't sink into the water.
4. Through physical foaming, numerous independent bubbles are produced. That's why it won't sink into the water.
Why does EPE pearl cotton not sink into water? Because of its low density and structure. This feature can be used to make life jackets. It can be recycled for many times. It plays a variety of performance. In short, it has a wide range of application and great effect.
Company address
Zibo Economic Development Zone, Shandong Province

Contact person: manager Liu mobile phone: 13589525395
Tel: 0533-6502959 Fax: 0533-6502959

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