日韩精品国产一区二区三区久久,人妻肉欲久久久,色呦呦喷水,99久久精品国产无码

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?>?PRODUCTS CENTER
  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

 
  PRODUCTS CENTER

Thiourea Dioxide

TIME: 2016-10-27 | FROM:Qingzhou Guangda Chemicals Co.,Ltd |  READ 3423 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:Pulp Bleaching agent FASNEXT: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
 
无码电影1区| 无码无套少妇毛多18P| 免费不卡的黄片| 亚洲少妇26p| W亚洲欧美精品| 人妻少妇精品无码专区二| 日韩殴美亚洲| 亚少妇自拍偷| xxxwww日本| 777米奇影视第四色| 久久六月亭亭| 亚洲福利导航社区| 天堂免费播放AV| 高清国产av一区二区三区| 蜜臀视频在线| 国产免费污14禁网站| 人妻内射亚洲| 亚洲丝袜国产av无码| 91久久精品日日躁夜夜躁欧美| 波多野结衣黑人| 激情五月丁香六月开| 国产黄片久久久精品| 亚洲五码国产高清| 成人久久18免费网站麻豆| 丰满老熟妇好大bbbbb| 欧洲高潮视频在线看| 精品久艹| 国产精品亚洲日韩欧美| 九九九色| 雪白丰满AV二区| 东京热 黑无码| 偷拍网址98| 激情综合一区二区三区| 第一AV站| 久久精品国产免费专区| 狠狠躁夜夜躁av| 天天影视| 黑人人妻| 国产精品久久久电影院| 亚洲无码喷| 在线无码视频免费观看|