日韩 一区 在线,色香欲天天影视综合网,性欧美丰满熟妇XXXX性久久久,午夜视频国产在线观看

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 Anhydrous Hydrofluoric Acid

Quality StandardGB7747-2011

Molecular FormulaHF                              Molecular Weight20.01

Item

Index

Premium grade

I Class

II Class

Top-grade

First-grade

Qualified product

Hydrogen fluoride (HF) w/% ≥

99.99

99.92

99.96

99.92

99.8

Moisture(H2O) w/% ≤

0.002

0.004

0.02

0.04

0.06

Fluorosilicic Acid(H2SiF6) w/% ≤

0.002

0.005

0.008

0.015

0.050

Sulfur Dioxide(SO2)  w/% ≤

0.002

0.003

0.005

0.010

0.030

Non-volatile acid(H2SO4) w/% ≤

0.002

0.005

0.005

0.010

0.050

Properties
The product is a colorless, transparent liquid. It has a strongly pungent odor. It is very corrosive and strong toxic. White fumes can rise from it in air. Boiling point 19.5℃.
Application
The product is mainly used for making element fluoride,fluorate,fluoride haloid alkane and hydrofluoric acid. It can be also used as fluorinating agent.
Storage
The product should be stored in a storehouse with a shed and kept away from the sunlight. Strictly forbid storing it with combustibles and explosive together.
Transport
It should be treated as Grade A inorganic acid corrosive goods.
Packing
(1)It is filled in a mid-pressure steel cylinder without a fusible stopper,with net weight 330kg or 660kg per cylinder.
(2)Iso tank with net weight 25000kg or 28000kg. 

【Back】

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

国产极品尤物S身材在线观看| 激情综合五月| 亚洲国产日韩无在线播放| 日韩激情在线播放| 久久久久久久久大| 人禽伦免费交视频播放| 年轻的妈妈1韩国电影| 欧美日韩国产精品综合在线一| 91精品国产麻豆| 日韩国产在线观看一区| 岛国片欧美日韩国产| 亚洲中文字幕久久精品无码VA| JK小仙女自慰流白浆呻吟| 欧美一区二区播放视频| 舌头伸进去搅动好爽视频| 久久久无码精品亚洲日韩按摩| 国产在视频线精品视频| 免费 人妻 无码 不卡中文...| 免费人成在线观看视频高潮 | 色综合天天综合网国产成人网| 国产精品无码一区二区三区| 中文字幕一区在线观看视频| 中文字幕日韩精品视频一区| 欧美日韩视频一区三区二区| 妈妈的朋友韩国理论电影| 四虎影视久久久免费| 少妇人妻AV无码专区| 91精品久久久久久中文字幕| 日韩欧美色综合网久| 日本中文一区二区三区亚洲| 乱子伦XXXX| 爱看精品福利视频观看| 国产黑丝一区| 国产成人av人人爽人人澡| 国产福利无码一区在线| 国产福利精品午夜| 午夜精品久久久久9999| 成人免费看91| 韩国年轻的母亲6| 国产不卡在线| 免费视频在线观看网站|