国产在线精品网址你懂的-四四房-久久无码精品九色丁香花-父母儿女合家欢乐-亚洲人体内射精视频-国模人体极品馒头欣赏-人人操91大神成人在线-宝贝别蹭了我硬了h难受视频-女同二区三区

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