少妇AV片,com色,日本中字三级在线观看,色秀视频又粗又大

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 4681 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:ThioureaNEXT: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
 
日本无码一二三区免费| 91字幕在线| 久久艹小b| 日本第一区二区| 日本肉棒性爽视频| 京久久久久久久| 99亚洲日本视频| 久久国产一区二区三区影院| 久久一区二区三区精华液的更新速度| 欧美一级精品人妻诱惑| 无妈一区二区| 人妻人伦精品| 国产成人一区二区不卡| 国产主播在线蜜臀图片| 精品亚洲欧美一区二区| 欧美国产色综合视频网站| 超碰在线Caopenro| 91狠狠色丁香婷婷综合一区 | 亚洲成人不卡一区在线| 欧美性爱自拍视频网站| 日欧毛片逼逼| “始祖鸟平替”要IPO了| 欧美黄色日韩A级在线观看| 尤物后插视频| 在线免费男生操女生视频网站| 欧美日韩亚洲一区二区三区五月| 亚洲激情五月婷婷在线| 久久特黄日韩无码一区二区三区| 中文在线偷拍自拍| 日韩,欧美,三级在线看| 色诱AV电影| 欧美成人n亚洲综合在线观看| av妓女一区二区| 天天射天天日天天干天天| 日本免费大片在线观看| 日韩欧美一道本无码| 久久久亚洲中文字幕| 九一成人国产一区二区| JULIA无码无套视频| 国产一级欧美| 欧美女同性恋一区二区|