男人视频网站-男人视频在线-男人视频在线观看-男人天堂黄色-激情文学综合-激情文学综合丁香

廣東海達儀器有限公司(生產基地)

總  機:0769-88838200
手  機:13602382905(微信同號)
地  址:廣東省東莞市道滘鎮大羅沙大新街13號
郵  編:523185

昆山-湖南-重慶-廈門-湖北-福建-四川-江西-山東-陜西 

公司網站:http://m.wdfyst.cn/

公司郵箱(Emial):
haidads04@qc-test.com
海達新聞

Formaldehyde test box

Guys, whether you have this kind of puzzle? The cold winter coming, you want to buy a down jacket to keep warm, but when you go shopping to buy clothes and then put on the down jacket, there is a smell of a duck , let us not dare to close.

So why do some puffer jackets smell so smelly, while others don't?

1. Reason of smelly smell

Down feathers grow on the body surface of ducks and geese, will inevitably produce a certain amount of oil. The feathers of goose and duck contains high fat, and the attached free fat will be absorbed in the process of washing. Therefore, the amount of oil plays an important role in indicating the warmth, cleanliness and potential smell of the sample, which is the key factor whether the fat and oil content qualified.So, What is fat and oil content?

2. Definition of fat and oil content

The percentage of fat and other oils absorbed in down feathers per unit mass

3. The influence of fat and oil content

Too low or too high fat and oil content percentage of feather and down will have a bad effect on the quality of products. Too low oil content will affect the external structure of the down, which is easy to be broken, reduce toughness and affect the warmth retention. However, too high residual fat content may lead to poor cleanliness of the sample, breeding bacteria or odor.

Testing principle

At present, Soxhlet extraction method is generally used in testing the residual fat rate specified in the standard of all kinds of down inspection methods. The principle is that the fat in the feather sample is dissolved in organic solvents (such as diethyl ether, diethyl ether, etc.), and the extracted fat is obtained after the solvent is volatilized. After weighing and calculating, the fat content can be obtained, namely the residual fat rate.

If fat and oil content is high, down and feather products will have an unpleasant smell.

GB/T 14272-2011 "Down Clothing" standard for the requirement of fat and oil content is not higher than 1.3%

let us introduce the HD-X004-8 Formaldehyde Analysis Tester,It is used to quickly determine the formaldehyde content of various textiles, leather. It can perfectly detect your down jacket fit is not qualified, help you solve the problem .

Formaldehyde Analysis Tester

4. Suggestions to enterprises

Suggest enterprise purchase qualified washing down feather, qualified washing down feather must undergo strict washing process. Down feather raw material in a certain temperature of clean water by washing with detergent and disinfectant, repeated cleaning, rinsing, dehydration, and then after 120℃ high temperature steam drying disinfection procedures for more than 30 minutes, can remove the attached dust, excrement, blood, oil stains in the raw material, to achieve the purpose of disinfection and sterilization to remove peculiar smell.

In the production, storage and transportation, enterprises should also do closed and sterile operation. Washed down feather and unwashed should be stored separately. The equipment should be strictly cleaned and disinfected according to the rules, and the warehouse shall be kept in a dry, clean and well-ventilated storage environment.

上一篇:你了解拉力機嗎
下一篇:Drying oven

粵公網安備 44190002002641號

主站蜘蛛池模板: 亚洲国产精品v在线播放 | 午夜国产小视频 | 成人黄色片网站 | 国产综合精品日本亚洲777 | 香蕉视频免费在线观看 | 狠狠天天| 操操网站| 欧美视频二区 | 国产一级特黄一级毛片 | 欧美日本在线三级视频 | 国产无遮挡色视频免费视频 | 国产成人免费福利网站 | 黄色一级片免费在线观看 | 黄视频免费 | 免费观看国产精品 | 一级毛片免费高清视频 | 国产欧美大片 | 国产成人黄网在线免 | 男人的天堂色偷偷亚洲京东 | 特黄一级视频 | 456极品嫩模在线视频 | 在线看免费毛片 | 欧美高清在线精品一区二区不卡 | 免费一级毛片在线播放视频 | 日韩精品视频福利资源站 | 日本欧美中文 | 一级毛片一级毛片免费毛片 | 91精品国产乱码在线观看 | 丝袜足控免费网站xx网站 | 天天插综合 | 一本到视频在线观看 | 一级黄色录像毛片 | 成人毛片免费观看视频在线 | 久久多多屋影院三级 | 最近中文字幕免费版在线3 最近中文字幕免费版在线 最近中文字幕免费mv在线视频 | 亚洲区小说区图片区qvod伊 | 日韩欧美国产综合 | 精品日韩 | 日韩精美视频 | 成年人黄色小视频 | 久草久草视频 |