White Grey Off White Cryolite Na3alf6 Granular / Sandy / Powder

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

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:1025℃,
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: In 50kgs PP bags, Lined with high-pressure plastic film, or according to customer's requirements.