But the fatal weakness of down is that it is afraid of water. After absorbing water, the fluffy flowers shrink into a ball, completely loses warmth, and it is also difficult to dry.
This year, Salomon will launch a water-repellent down jacket in the country this year. This is the first water-repellent down product that can be purchased domestically. In general, water-repellent down is processed for each pile to cover the surface with a water-repellent film, which is similar to the water repellent treatment of clothing.
The water repellent treatment of down is much more difficult than ordinary clothing.
Everyone knows that the water repellency of clothes will fade with washing and use, and you need to buy some anti-water repellent spray to restore water repellency, but it is obviously impossible to remove the down jacket and spray it down.
In addition, the benefits of down is a combination of light weight and warmth, so water repellent treatment can not increase the weight of down.
Last year, Sierra Designs introduced the first water-repellent down products. The following figure shows the DriDown technology of Sierra Designs' water-repellent down technology, which clearly shows the characteristics of water-repellent down.
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Foreigners have tested the product, washed under the shower for 30 seconds, the clothes are completely dry, which in fact also benefit from the fabric's good water repellent performance.
Under the shower for 3 minutes, the clothes get wet, the velvety feels wet, and the clothes are put on the back of the chair for 2 hours. After the down jacket is wet, we can realize that this is a great deal. Drying speed means that the down is not absorbent.
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