Industrial Grade Sodium Aluminum Fluoride Cryolite 99% Na3alf6 Sodium Hexafluoroaluminate
Cas No. :15096-52-3;1344-75-8;13775-53-6;12397-51-2
Molecular Formula: Na3AlF6
Quality Standard : GB/T 4291-2007
Specifications:
|
Items
Class |
Chemical Composition ( Concentration )/ % |
| Not less than |
Not more than |
| F |
Al |
Na |
SiO2 |
Fe2O3 |
SO4= |
CaO |
P2O5 |
H2O |
Loss on ignition
, 550ºC30min |
| CH-0 |
52 |
12 |
33 |
0.25 |
0.05 |
0.6 |
0.15 |
0.02 |
0.20 |
2.0 |
| CH-1 |
52 |
12 |
33 |
0.36 |
0.08 |
1.0 |
0.20 |
0.03 |
0.40 |
2.5 |
| CM-0 |
53 |
13 |
32 |
0.25 |
0.05 |
0.6 |
0.20 |
0.02 |
0.20 |
2.0 |
| CM-1 |
53 |
13 |
32 |
0.36 |
0.08 |
1.0 |
0.60 |
0.03 |
0.40 |
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.
Packing:
25kgs PP bags or 1000kgs-1500kgs jumbo bags, or according to customer requirement
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.
Our Services:
1.Free samples available before confirming the order to avoid any problems.
2. Goods delivered directly from the factory warehouse after well produced in a high quality and good situation.
3. Competitive price
4. Prompt shipment, usually within 10 working days after confirming the order.
5. Testing equipment: SGS, UV, HPLC, GC, CIQ.
6. Supply Ability: 2000MTS/month, large stock available;
FAQ:
1. Do you provide samples?
We can supply you samples definitely. Sample testing is one of the standards to reassure customersCustom-made and Special Design are available.
2. How is your price? What is your payment term?
For Orders, our payment term is T/T 30% in advance and the balance 70% before loading. Other payment terms can be negotiable.
3. What is your minimum order quantity?
MOQ can be negotiable, in order for customer's benefit and for our long term cooperation.
4. How long for manufacturing the order?
10-20days after receiving deposit.
5 .How can we guarantee quality?
Always a pre-production sample before mass production,
Always final inspection before shipment.
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