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<p>A <strong>picnic blanket </strong>is an <strong>outdoor equipment</strong> that needs to be used when camping and picnicking in the wild. The importance of a <a href="https://www.bluediamondsea.cn/" rel="noopener noreferrer" target="_blank">picnic blanket</a> is no less important than a sleeping bag. It is an insulator between the ground and the human body and can reduce the discomfort caused by sleeping on uneven ground. More importantly, the picnic blanket can prevent the cold and humid gas from affecting the body, prevent cold, and play a role in heat preservation and moisture prevention. It is a very important piece of outdoor equipment in field activities.</p><p><br></p><p><strong>The function of picnic blanket</strong></p><p>First, anti-corruption. Because it is difficult to find a flat place during a picnic or camping in the wild, you will feel very uncomfortable when you sleep. The situation will be much better with the outdoor equipment of a picnic blanket.</p><p><br></p><p>Second, keep warm. Since the body is generally in direct contact with the ground during a picnic or camping in the wild (only the heat insulation effect of the tent bottom is negligible), it is important to choose outdoor equipment. At this time, if there is a layer between the body and the ground separate the picnic blankets to keep warm.</p><p><br></p><p>Third, moisture-proof. When picnicking or camping in the wild, the ground is usually very damp at night. Because the picnic blanket is a waterproof outdoor equipment, it can prevent moisture.</p><p><br></p><p><strong>Picnic blanket principle</strong></p><p>Like the working principle of the stuffing in sleeping bags and clothing, picnic blankets also block the heat exchange between the body and the cold air outside (ground). This <a href="https://www.bluediamondsea.cn/" rel="noopener noreferrer" target="_blank">outdoor equipment</a> isolates a layer of dead air between the body and the ground, and uses body heat to gradually increase the temperature of this layer of “dead air”, making it a heat exchange between the body and the ground It is a barrier to play the effect of heat preservation and moisture proof. The efficiency of the picnic blanket depends on how much "dead air" she can save and the ability to prevent air convection.</p>
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