亚洲精品无码少妇30p,久久久久久精品中文字幕,午夜男女爽爽影院a片免费,五月天亚洲综合

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

最新中文乱码字字幕在线| 97高清视频在线观看免费| 亚洲国产成人精品日韩18| 欧美在线一区二区三区播放| 国产精品久久| 国产一区二区在免费观看| 亚洲成人网站裸美女黄色| 大人版操鸡视频在线观看| 久久久久久亚洲av蜜桃| 欧美日韩在线观看卡一卡二| 久久久人妻91久久久久| 中文有无人妻VS无码人妻激烈| 亚洲成亚洲成网中文字幕| 精品区一区二区在线观看| 精品视频在线观看你懂的| 精品国产自产在线观看蜜| 丰满的人妻中文字幕无码| 日本一区二区三区在线电影| 亚洲欧美日韩国产另类综合| 精品无码久久久久久久久水蜜桃| 久久精品国产亚洲av网站| 亚洲午夜av久久久精品影院| 欧美日韩十八禁一区二区| 九九热99国产综合精品| 亚洲av乱码国产精品麻豆| 亚洲精选高跟鞋在线成人| 日本欧美无寸码在线视频| 亚洲一区二区三区成人网| 国产精品精品国内自产拍| 亚洲日韩乱码中文字幕在| 久久综合给合久久狠狠狠| 大鸡巴操我在线观看视频| 中文字幕007国产精品| 91亚洲婷婷国产综合精品| 熟女快要高潮了在线观看| 国产露出精品福利小视频| 亚洲人久久久久久久久久| 国产无夜激无码av毛片| 囯产亚洲精久久久久无码| 中文无码亚洲资源站久久| 精品少妇久久久久久久久久|