High Purity Sodium Hexafluoroaluminate Na3alf6 Cryolite for Glass Anti-Reflective Coatings

• CAS No.: 15096-52-3
• Formula: Na3alf6
• EINECS: 239-148-8
• Certification: ISO
• Purity: 90%~99%
• Type: Potassium Fluoride
• Model NO.: CH-1, CM-1
• Grade Standard: Industrial Grade
• Melting Point: 1025
• Size: 20-400meshes
• Hard: 2~3
• Relative Density: 2.95~3.1
• Transport Package: Jumbo Bag
• Specification: CH-1
• Trademark: EVERSIM
• Origin: Jiaozuo, Henan
• HS Code: 2826300000
• Production Capacity: 30000tons/Year

Product Description

 

PRODUCT DESCRIPTION

High Purity Sodium Hexafluoroaluminate Na3AlF6 Cryolite For Glass Anti-reflective Coatings

Product name: cryolite

Product color: white powder, sand, granular, also light red Scope of application: the products are widely used in aluminum alloy additives, fluxes, abrasives, metal smelting, glass manufacturing and other industries.

Cas No. :15096-52-3;1344-75-8;13775-53-6;12397-51-2  Molecular Formula:Na₃AlF₆ Quality Standard : GB/T 4291-2007

Product specification:

model	Chemical composition(mass fraction)/%									Physical property
	F	Al	Na	SiO2	Fe2o3	SO4^2-	CaO	P2O5	Hygroscopic moisture	Ignition loss(massfraction)
	≥		≤
CH-0	52	12	33	0.25	0.08	0.6	0.15	0.02	1.5	2.0
CH-1	52	12	33	0.36	0.08	1.0	0.20	0.03	1.3	2.5
CM-0	53	13	32	0.25	0.05	0.6	0.20	0.02	0.7	2.0
CM-1	53	13	32	0.36	0.08	1.0	0.60	0.03	0.7	2.5

PS:Molecular proportion 2.80-3.00 is high molecular proportion cryilite (CH), molecular proportion 1.00-2.80 is low molecular cryolite (CM). Product molecular ratio and the fineness of grain size can be customized according to customer demand.

Physical properties: Cryolite is a kind of complex compound or double salt of NaF and AIF3.
Appearance: white, gray ,yellow powder or crystalline particles.
Melting point:1025ºC,
Stacking density:0.6-1.0g/L,
True density:2.95-3.05g/cm 3
Heat of formation is 225KJ.
Specific gravity is 2.75-3.00g/cm 3 .
Heat of fusion is 107KJ.
Slightly solubte in water.

 

Applications
Aluminium- metallurgy: as component of fluxing agents, protective and refining salts;
Production of abrasives: as active filler in resinbonded abrasives for metal treatment;
Production of enamel, glazing frits and glass: as flux and opacifying agent;
Production of soldering agent: as component for fluxing agents;
Production of welding agents: as component of welding rod coatings and welding powders;
Blasting and pyrotechnics: for fireworks;
Metal surface treatment: as component in pickling pastes for stainless steel.

Packing:
25kg bags on pallets or as requirements