国产高清一区二区精品-日本道精品一区二区三区-精品少妇午夜福利视频-亚洲午夜av福利精品

Welcome to Fujian Yongjing Technology Co., Ltd. the website!

Contact us

Add: 18#, Xin'An Road, Shaowu City, Fujian, China
International Trade Dept.
Tel: +86-599-6655932/6654968
Fax: +86-599-6654591
Home Trade Dept. 
Tel: +86-599-6654866/6654968
Fax: +86-599-6655755
High-purity Chemicals Dept.
Tel: +86-599-6655536/6654968
Fax: +86-599-6655755


Products

Industrial Hydrofluoride Acid

Quality StandardGB7744-2008

Molecular FormulaHF                                 Molecular Weight20.01

Item

Index

I Class

II Class

HF-I-40

HF-I-55

HF-I-70

HF-II-30

HF-II-40

HF-II-50

HF-II-55

Hydrogen fluoride(HF)    w/% ≥

40.0

55.0

70.0

30.0

40.0

50.0

55.0

Fluorosilicic Acid(H2SiF6)w/% ≤

0.05

2.5

5.0

8.0

10.0

Non-volatile acid(H2SO4)w/% ≤

0.05

0.08

0.08

1.0

1.0

2.0

2.0

Ignition residue w/% ≤

0.05

-

Properties
The product is a colorless and transparent soluble. It has a strongly pungent odor and a strong toxicity. It is very corrosive.
Application
The product is used in chemical industry,metallurgical industry,glass industry,atomic energy industry and mine and petroleum exploiting industry.
Storage
The product should be stored in a storehouse with good ventilation.
Transport
It should be treated as Grade A inorganic acid corrosive goods during its transport. Avoid heating or getting wet in the rain. Slightly load and unload. Avoid striking.
Packing
The product is filled in a polythene plastic drum. Also fill it on consumer requests.

【Back】

Copyright(C)2017,Fujian Yongjing Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

亚洲欧洲日韩另类在线| 四虎永久精品在线视频| 免费看欧美粗又大爽老| 在线免费观看日韩黄片| 亚洲精品乱码在线播放| 日韩精品一二三黄色一级| 伊人久久大香线蕉av色婷婷色| 国产精品大片久久激情四射| 青青草原天堂在线免费观看| 国产一区免费二区三区四区| 中文字幕在线看二区不卡| 日韩一区二区三区四区精品| 无遮挡国产精品一级二级三级视频| 国语对白精品视频在线| 欧美国产免费高清视频| 国产精品久久久久精品日日三级| 九九久久九九精美视频| 国产b片免费在线观看| 在线日韩欧美一区二区三区| 亚洲av永久精品一区二区三区| 日韩高清午夜片在线观看| 亚洲视频精品一区二区三区| 国产伦人偷精品免费视频| 亚洲国产精品97视频| 久久精品国产成人综合| 一区二区高清免费日本| 中文人妻熟妇乱又伦精品| 国产av午夜精品福利| 91精品久久久久久| 午夜黄色福利在线观看| 观看女性真实高潮的合集| 亚洲人妻一区二区久久| av一区二区三区网站| 四虎精品视频在线免费| 人妻免费视频中文字幕| 丁香婷婷麻豆激情综合网| 91九色午夜在线观看| 欧美精品亚洲精品日韩经典| 白白在线观看网站看看亚洲| 国产二区三区在线播放| 欧美日韩在线一区二区精品|