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 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

精品久久久久中文字幕| 最新69成人国产精品视频免费| 肉色欧美久久久久久久蜜桃| 国产又粗又猛又爽又黄| 免费又黄又爽又色的视频 | 熟女人妻少妇精品视频| 伊人久99久女女视频精品免| 欧美VIVO18| 欧美VIVODESHD| 亚洲一区二区嗯好爽快点| 日本aaaa片毛片免费观| 欧美乱妇无乱码大黄a片| 无码精品A∨在线观看无广告| 亚洲国产精品无码久久九九大片| 丰满人妻AV无码一区二区三区| 亚洲一区二区女搞男| 精品无码成人久久久久久| 午夜福利AV无码一区二区| 无码AⅤ精品一区二区三区| 亚洲乱码国产乱码精品精| 5566视频一区二区三区| 亚洲 欧美精品SUV| 国产精品久久久久久无码| 国产suv精品一区二区| 国产97在线 | 免费| 出轨人妻被粗长征服过程| 中文字幕av无码一区二区三区电影| 色综合视频一区二区三区| 国产网红女主播精品视频| 久久泄欲网| 无人在线完整免费高清观看| 蜜臀久久精品久久久久酒店| 老熟女高潮一区二区三区| 精品久久久久久久无码久中文字幕| 亚洲精品无码永久中文字幕| 久久精品国产亚洲av水果派 | 国产乱人伦偷精品视频免下载 | 久久婷婷激情综合色综合俺也去| 日本强伦姧人妻一区二区| 欧美人妻www无码国产黄漫| 亚洲AV综合色区无码一区爱AV|