Product details
Chemical Name: Sodium Fluoroaluminate
Molecular Formula: Na3AlF6
Molecular Weight: 210
CAS No.: 15096-52-3
PHYSICAL PROPERTIES
Density 2.95-3.05g/cm³
Appearance white, gray or pink
Packing: in 25kgs or 50kgs PP bags or multiply paper bags, or 1000kgs-1500kgs jumbo bags, or according to customer’s requirements.
Specification 1: Synthetic Cryolite 325MESH
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
Chemical properties |
Limit |
Typical |
Na3AlF6 |
96 %MIN |
97.5% |
F |
52%min |
52.8% |
Al |
14%min |
12.5% |
Na |
33%max |
31.6% |
SiO2 |
0.40%max |
0.33% |
Fe2O3 |
0.05%max |
0.007% |
H2O |
0.20%max |
0.1% |
LOI |
2.0%max |
1.58% |
Particle size distribution |
||
Bulk Density |
0.6-1.0 g/cm³ |
0.76 g/cm³ |
+325 mesh |
3%max |
1% |
Specification 2: Synthetic Cryolite 400MESH
Applications:
Production of abrasives:
- As active filler in resinbonded abrasives for metal treatment
Chemical properties |
Limit |
Typical |
Na3AlF6 |
96 %MIN |
98.06% |
F |
53%min |
54.84% |
Al |
14%min |
16.27% |
Na |
30%max |
26.95% |
SiO2 |
0.20%max |
0.13% |
Fe2O3 |
0.05%max |
0.031% |
H2O |
0.30%max |
0.1% |
LOI |
2.0%max |
1.58% |
Particle size distribution |
||
Bulk Density |
0.6-1.0 g/cm³ |
0.76 g/cm³ |
+200mesh |
0 |
0 |
-400 mesh |
80%min |
99.7% |
Specification 3: Synthetic Cryolite 100MESH
Applications:
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
Chemical properties |
Limit |
Typical |
Na3AlF6 |
96 %MIN |
98.39% |
F |
53%min |
54.63% |
Al |
14%min |
15.96% |
Na |
30%max |
27.8% |
SiO2 |
0.50%max |
0.30% |
Fe2O3 |
0.05%max |
0.031% |
H2O |
0.4%max |
0.3% |
LOI |
2.0%max |
1.58% |
Particle size distribution |
||
-100 mesh |
80%min |
83% |
Specification 4: Synthetic Cryolite（Calcine）
Applications:
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
Chemical properties |
Limit |
Typical |
Na3AlF6 |
96 %MIN |
98.06% |
F |
50%min |
53.3% |
Al |
14-17%min |
13.01% |
Na |
26-33%max |
32% |
SiO2 |
0.80%max |
0.15% |
Fe2O3 |
0.2%max |
0.043% |
H2O |
0.20%max |
0.05% |
LOI |
1.0%max |
0.32% |
Bulk Density |
0.6-1.0 g/cm³ |
0.85 g/cm³ |
Particle size distribution |
||
-325mesh |
70%min |
99.4% |
Specification 5: Granular Synthetic Cryolite
Applications: As a flux in primary aluminium smelting. Thick size（0-10mm）and good fluidity, Convenient for mechanization and feeding automatically. Low melting point and fast melting, which can reduce the period of turning into normal working condition
Chemical properties
A |
B |
C |
|
Na3AlF6 |
98%min |
97%min |
97%min |
F |
53%min |
53%min |
53%min |
Na |
33%max |
33%max |
33%max |
Al |
12.5%min |
12.5%min |
12.5%min |
NaF/AlF3 by Weight |
1.35-1.55 |
1.35-1.55 |
1.35-1.55 |
SiO2 |
0.20%max |
0.25%max |
0.36%max |
Fe2O3 |
0.05%max |
0.08%max |
0.10%max |
SO3 |
0.30%max |
0.5%max |
0.60%max |
CaO |
0.15%max |
0.30%max |
0.43%max |
P2O5 |
0.01%max |
0.02%max |
0.03%max |
H2O at 110oC |
0.2%max |
0.30%max |
0.40%max |
L.O.I. at 550oC 1/2 Hour |
0.50%max |
1.0%max |
2.0%max |
Particle size distribution
0-10mm 100% |
-0.045mm 10%max |
The grain size can be adjusted according to different requirement.
http://www.chinachemicalgroup.com/
