The main components of down sleeping bags and cotton sleeping bags
Currently, the sleeping bag varieties on the market range from the Material about down sleeping bags, cotton sleeping bags, sleeping bags and fleece, because they use different materials, it will be some differences in the degree of warmth. Below, Xiaobian brings you a detailed introduction to the "main components of down sleeping bags and cotton sleeping bags, application value".
The main components of down sleeping bags and cotton sleeping bags, application value:
The down sleeping bag is divided into duck down and goose down. Under the same conditions, the warmth of goose down is slightly higher than that of duck down. Down has three main performance indicators: the first indicator is the filling weight, such as 400 grams of goose down sleeping bag, 1100 grams of duck down sleeping bag, this weight is not the weight of the sleeping bag, but the net weight of the filled down; the second indicator is the cashmere The amount of feathers is composed of feathers and velvet. The feathers have a supporting effect, and the warmth mainly comes from fine velvet. The higher the degree of expansion of the down, the better the warmth of the pile. Generally, the domestic duck down has a swelling degree of about 450, and the domestic goose down has a degree of expansion of 450 to 600.
There are many types of cotton sleeping bags, and the quality is uneven. There are high quality pure cotton, the most common spray cotton, four-hole cotton, seven-hole cotton, 3M Thinsulate cotton POLARGUARD 3D/HV cotton. Cotton sleeping bags, the warmth performance will gradually decrease with the increase of the use time, but they have a unique feature than the down sleeping bag, that is, some of the warmth retaining properties can still be retained after the wet, unlike the down, if it is wet, it will not be warm or even warm. Play a negative role. The packing density is expressed in square grams per meter, such as 260 g/m square and 320 g/m square.
About the "main components of down sleeping bags and cotton sleeping bags, application value" introduced here, different materials of sleeping bags have different application value, we choose the appropriate sleeping bag according to their actual needs.
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