激情 小说 亚洲 图片 伦,97精品国产97久久久久久免费,人妻丰满精品一区二区a片,国产强伦姧人妻毛片

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

梅河口市| 民和| 东乌珠穆沁旗| 砀山县| 沙河市| 溧水县| 晋江市| 三门县| 即墨市| 东乌| 南岸区| 汤阴县| 佛坪县| 儋州市| 旌德县| 永州市| 刚察县| 罗江县| 禄劝| 涡阳县| 浠水县| 红原县| 昔阳县| 巴林右旗| 荣成市| 会理县| 敦煌市| 大荔县| 齐齐哈尔市| 迭部县| 达尔| 冀州市| 格尔木市| 嘉峪关市| 墨玉县| 绍兴县| 宝清县| 北京市| 宁城县| 体育| 芦山县|