白嫩白嫩bbwbbwbbw,人妻激情综合久久久久,中文字幕乱码亚洲无线码,成在人线av无码免费

Specialized in manufacturing and saling of dye & printing additives, papermaking agent,our main ······   CHINESE ENGLISH
青州市光大化工有限公司  
 
Your current position:?HOME?>?HONOR
  青州市光大化工有限公司產(chǎn)品
Protection type powder Thiourea Dioxide Thiourea Pulp Bleaching agent FAS Aminoiminomethanesulfinic Acid Thiourea dioxide
 
  青州市光大化工有限公司聯(lián)系
 
QINGZHOU GUANGDA CHEMICALS CO., LTD.
MIDDLE OF XUDA ROAD, DONGGAO TOWN, QINGZHOU CITY, 
SHANDONG PROVINCE, CHINA
TEL: +86-15265677524
FAX: +86-536-3824156
QQ:909617522

 
  HONOR

Thiourea Dioxide

TIME: 2016-10-27 | FROM:Qingzhou Guangda Chemicals Co.,Ltd |  READ 3022 次
1).Product range 
Product name Thiourea Dioxide (Formamidine sulfinic acid) 
2).Molecular formula 
CH4N2SO2 Molecular weight:108.12
3). Appearance
 1.melting point:126℃ PH value:4 dangerous grade:4.2
 2. thiourea dioxide(TD or TUD)is also named as Formamidine sulfinic acid. Its appearance is white crystal powder. Thiourea is a stable compound with no strong reducing and oxidizing ability.
 3.Thiourea dioxide has many advantages, such as high reducibility, excellent heat stability, nonpoison, tasteless, easy operation, efficience, transportation and storage convenient etc. It is an exchange product of sodium hydrosulphite.
 4. The thiourea dioxide’s security performance is good, it does not pollute the environmental air when using. 
4). Packing
 ?。羉cording to the international marine transportation rule and customer’s request, we divide the packing into the following kinds:
 1. 25kg compound plastic bags 
 2. 50kg fiber drums 
 
5). Using
TDO is a new kind of reducing agent that used as exchange of sodium hydrosulfite. It is widely used in textile and paper making industry. This product is also used in leather processing industry,paper,pulp and board industry,photographic industry, bleaching and reducing agents. This product is also a component of decolorisation agents. In macromolecule material industry, it is used as catalysis agent and stabilizer of resinic producing,and it is also used in organic synthesization of sensitizing material, and medicine, medicial, spicery materials in fine chemicals, and also can be applied in the recycling and separating of heavy metals.
6).storage:
Dry pure environment, the well ventilated condition, and the 30 ℃ warehouse temperature is good for storaging this product. Please Pay attention to moisture-proof, rainproof!

UP:Thiourea DioxideNEXT:Thiourea Dioxide
 
   
TEL: +86-15265677524
FAX: +86-536-3824156
QQ:909617522
聯(lián)系方式
MIDDLE OF XUDA ROAD, DONGGAO TOWN, QINGZHOU CITY, 
SHANDONG PROVINCE, CHINA
聯(lián)系方式
Mobile station
 
Copyright:QINGZHOU GUANGDA CHEMICALS CO., LTD.    魯ICP備17003807號-1      技術(shù)支持:山東咕果
HOME | ABOUT| PRODUCT| NEWS| HONOR| MESSAGE| CONTACT
 
午夜成人h| 精品在线播放2020| 蜜桃AV色偷偷AV老熟女| 婷婷影视| 亚洲激情精品综合| 人妻 PPPP| 天天躁日日躁狠狠躁超碰97| 国产精品无码第二页| AV网站下载在线观看| 性人妻| 秋霞午夜福利| 亚洲精品成人女人| 日本久久婷婷色| 激情欧美| 不卡电影一区二区| 懂深夜在线观看一区| 国产成人AV一区二区三区在线观看| 久久久久久久久AⅤ| 日韩欧美中文精品| 亚洲不卡| 欧美激情五月综合| 日韩野外| 波多野结衣二区| v11av高清无码| 国亚洲产一区久久久| 99久久久精品免费| 中国少妇内射XXXX| 丁香五月激情在线视频| 宅宅午夜无码一区二区三区| 日韩毛片AV网站| 91AV福利在线| 国产三区在线成人AV| 7777亚洲精品| 一二三区久| 久久国产亚洲欧美久久| 宝贝张开腿舔舔视频| 欧美成人里番在线观看| 99亚洲乱人伦aⅴ精品| 中文综合久久| 亚洲激情蜜桃| 国产精品三级久久久久三级|