另类视频|欧美一级高清片国产特黄大片|国产黄色视频在线观看|免费啪啪视频 ,激情综合色五月丁香六月亚洲_久久五月天网站_热门国产午夜福利合集2小说_亚洲爽爽婷婷久久

Products

Products

Add: Pingquan Town, Pingquan County, Hebei Province
General Manager: Wang Jun
Mobile: 13808801633 Tel: 0314-6203021
Assistant General Manager: Cong Weizi
Mobile: 15133863258
Market One: Tel: 0314-6276212
Mr. Wang 18233883818 Mr. Chen 15128615111
Ms.  B u    18931420358 Mr. Yin  18560056723     
Market Department 2: Tel: 0314-6276198
Wang Linqing (hydrofluoric acid, aluminum fluoride) Mobile: 13932465369
Ministry of Foreign Trade: Wang Weiwei
Mobile: +86-18600972314
Tel: + 86-10-6409697-8202
Email: scott@ronzlle.com

Products

Home > Products
Sodium Fluoride

Molecular formula: NaF Molecular weight: 41.99
Uses: aluminium smelting and welding flux, medical and wood preservative, fungicide in brewing industry, agricultural pesticide, fluoridation agent of drinking water. It cna also be used in papermaking, toothpaste production, chemical reagent, acid pickling of strip steel and stainless steel, raw material of other fluorides, adhesive. In addition, it is also used in enamel and pharmaceutial industries.
Properties: colorless bright crystal or white powder. Soluble in water, slightly soluble in alochol. Its solution presents alkaline and is corrosive to glass. Soluble in hydrofluoric acid and generates sodium hydrogenfluoride. Specific gravity is 1.02g/mL(20℃), melting point is 993℃, boiling point is 1700℃.
CAS#: 7681-49-4 Customs No.: 2826192010 MSDS: YK16-06 IMDG Code: 61513

Sodium fluoride
Item Standard
Appearance White powder
Content ≥99.50
Water insoluble matter % ≤0.05
Silicon dioxide % ≤0.01
Sulfate % ≤0.005
Acidity mmol/100g ≤10.0
Alkalinity mmol/100g ≤5.0
Drying loss % ≤0.2
Fluosilicate % Conform to test
Chloride % ≤0.012
Heavy metal % ≤0.0005
Whiteness % ≥95
Transmittance % ≥90
Particle size 100-300 mesh

Notes: special specifications can be produced at the request of customers.
Marketing director: Cong Weizi Tel: +86-15133863258 E-mail: cdykjxhg@163.com