久久爱综合久久爱久久爱,间谍过家家第二季在线观看免费,国产美女在线精品免费观看网址,欧美+日本+国产+在线观看

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

国产精品99久久久久久动态图 | 网站正能量www免费照片 | 国产欧美在线观看不卡| 欧美熟妇另类久久久久久多毛| 欧美xxxx18性欧美| 亚洲熟妇无码爱v在线观看| 久久人人爽爽人人爽人人片AV| 欧美bbwhd老太大| 激情都市亚洲一区二区| 免费视频网站| 武侠 欧美 另类 人妻| 久久久精品久久久久久96| 99国产精品久久久久久久日本竹 | 东京热人妻系列无码专区| 国产我和岳拇看A片| 日产精品一区二区| 亚洲男同帅GAY片在线观软件| 国产又粗又深又猛又爽又黄A片| 777午夜精品久久AV蜜桃| 99精品一区二区三区无码吞精| 国产亚洲精品资源在线26U| 久久精品国产99国产精品亚洲| 免费1级a做爰片观看| 拍国产真实伦偷精品| 初爱视频教程免费看| 日本爆乳无码一区二区漫画| 亚洲码国产精品高潮在线| 97亚洲狠狠色综合久久久久| 国产免费观看黄av片| MM1313亚洲精品无码久久| 波多野结衣人妻厨房大战 | 精品人人妻人人澡人人爽人人| av免费在线观看| a片免费| 中文有无人妻VS无码人妻激烈| 极品少妇XXXX精品少妇偷拍| 丰满少妇人妻久久久久久| 亚州日本乱码一区二区三区| 精品一区二区三区在线视频| 人人妻人人澡人人爽人人精品av| 亚洲av午夜精品无码专区|