公肉吊粗大双色翁浪妇无码AV,最近中文字幕MV高清在线视频,久久AV无码专区亚洲AV桃花岛,国产永久免费高清在线

Welcome to Fujian Kings Fluoride Industry Co., Ltd website!
Sinochem Group member companies

Service Tel

+86-599-5636798 / 5636998

Products
Products
Home > Products
Industrial Ammonium fluoride

Molecular formula: NH4F
Molecular weight: 37.04

 

Item Index
First grade Qualified product
Ammonium fluoride(NH4F), w/% ≥ 95.0 93.0
Free acid (as HF), w/% ≤ 1.0 1.0
fluorosilicate [as (NH4)2SiF6], w/% ≤ 0.2 0.4

 

Properties: white powdery crystal. Easy deliquescence, soluble in water, slightly soluble in alcohol, will break down if heating or in hot water. Corrosion of glass, poisonous.

Uses: used in glass carve, extraction of rare elements and used as a preservative and mordant.

Storage: sealed tightly, avoid moisture.

Transportation: Inorganic poisonous chemicals

Packing: PE bag, net wt 25kg, or following your demands.

Contact us

International trade

Tel:+86-599-5636798

Fax:+86-599-5636818

Domestic Trade

Tel: +86-599-5636998

Fax: +86-599-5636333

Address: Nanping City, Jianyang District, Fujian Province , China

Interactive platform

GNLASER

Copyright(C)2021, Fujian Kings Fluoride Industry Co., Ltd. All Rights Reserved. Supported by  ChemNet ChinaChemNet Toocle
东京道一本热中文字幕| 老板含着她的花蒂啃咬高潮的视频| 亚洲av无码一区二区三区18| 亚洲A在线观看无码| 在线激情无码免费看| 国产成人愉拍精品|