20 Brand Down Clothing &Nbsp; Hard To Keep Warm Standards

Cashmere 130g

The degree of warmth of clothing can be measured? Recently, a micro-blog called "dressing law" was frequently reproduced by the Internet. It details the warmth of different materials and clothes, and experts later said that the calculation was not based on that.

With the temperature below zero, Beijing has entered the peak season of down clothing sales.

Recently, reporters have found that the down jacket is safe and reliable, but even the sales price of the store is over 1000.

Event

The "dressing rule" is a hot topic of discussion about what down jacket is for warmth.

Recently, Hangzhou Traditional Chinese Medical Hospital, deputy director of internal medicine physician Gui Xiaochun through his 4 year old daughter to wear.

As soon as the post came out, it immediately triggered a heated discussion among netizens, of which the view of 9 degree down jacket became the focus.

As the daily temperature of Beijing tends to zero, some netizens raise questions. What is the standard of thick down jacket?

Reporters found before the brand down clothing counters in the shopping mall, the down jacket products on the market now mainly contain two kinds of contents, including the amount of cashmere and the amount of filling.

And many consumers usually feel thin when buying, then look at the down ingredients and the amount of cashmere. Generally speaking, the amount of cashmere is over 90%, which is definitely a warm down effect.

There are also some customers who think that the long price down jacket with high price is better than that of the short one, so parents often tell their children before the down jacket that they are so cold that they have to buy a long, warm one.

In fact, a reporter's investigation found that the thermal insulation of down clothing is mainly determined by the amount of filling, rather than the amount of cashmere that people habitually pay attention to. The size of the weight is the main factor that directly affects the thermal insulation of the down jacket.

unscramble

Filling up to 130g is the most comfortable.

The staff of the national textile products quality supervision and testing center told reporters that there is no temperature standard in the testing standard of clothing.

The warm and warm clothes mainly depend on the 4 parameters, namely heat preservation rate, thermal conductivity, thermal resistance value and Crowe value.

For the common people, the insulation rate is the most intuitive parameter, which is calculated by professional calculation formula.

According to the analysis of the optimum filling volume of down jacket, the down filling quantity of down jacket is the key to directly affect the thermal insulation of down jacket.

After testing the thermal insulation of 1g, 3G, 5g and other velvet pads, the filling temperature is 1 degrees centigrade per 5g.

The most comfortable temperature that a human body can feel is the temperature of about 32 degrees. However, because the down garment does not directly contact with the skin, the temperature of the down jacket reaches 25 degrees, which is the most comfortable temperature.

If the coefficient of thermal conductivity of 5g down is measured at 1W/m. C, the down weight of the down garment must reach 130g to meet the most comfortable temperature standard of the highest temperature of 26 degrees (25 degrees minus 1 degrees Celsius).

(Note: 1W/m. C is the heat pferred through 1 sq m in one second) {page_break}

track down sb. to interview

20 brand down jacket is difficult to reach the standard of warmth.

Reporters visited several brands of down jacket, found that all brands of down jacket labels, will indicate the amount of filling and cashmere content.

When consumers purchase, the first concern is the amount of cashmere rather than the amount of filling.

Shopping guide will not take the initiative to tell the consumer of the down weight of the down garment, and will be able to hide the real reason why the down jacket feels very thin by "being pressed in the warehouse and hanging up at home."

According to the internationally recognized standard of down jacket, the reporter found more than 20 styles of down coats, and basically did not meet the standard of thermal insulation.

In the ONLY brand store, a 1399 yuan rabbit hair big lapel, fine striped waist, short waist down clothing is marked with a cashmere volume of 92.9%, while the filling is only 124g.

The price is 899 yuan, a vertical collar zipper slant plush short paragraph slightly thin down jacket, filling even 88g, far from reaching 130g's thermal standard.

Expert analysis

For this reason, the staff of China feather and down Industry Association told reporters today that because the "national standard for Down garments" issued by the state only stipulated that the down weight of down garments must be more than 50%, and there was no requirement for the number of cashmere filling.

This has also provided some garment enterprises with a chance to exploit loopholes.

According to the staff, the filling capacity of 100g is only suitable for the warmer season in the south. When the cold weather in the north or the southern cold wave strikes, the down weight of the adult down jacket is more than 200 grams, so it is suitable for keeping warm.

From the present point of view, the number of down garments sold on the market can reach 200g standards, and 190g is the highest limit.