sale aluminium fluoride, synthetic cryolite

RFQ Details

Synthetic Cryolite
Molecular formula: Na3alf6
Applications
Aluminium- metallurgy:
- as component of fluxing agents, protective and refining salts
Production of abrasives:
- as active filler in resin bonded 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
Specification
-Chemical properties
F: 52% min
Na: 3 3% max
AL: 12.5% max
SiO2: 0.35%max
Fe2O3: 0.10%max
So42: 0.50%max
H2o at 110'c: 0.40%max
Physical properties
Density: 2.95-3.05g/cm3
Appearance: White, gray or pink
- the size distribution can be sandy(80mesh)powder(200mesh325mesh), granular(0-10mm)-
Packing
Package can be 25/50/1000kg plastic woven bags with shrink film, or according to requirements.
ALUMINIUM FLUORIDE (ANHYDROUS)

Formula: ALF3


Property: The product is a white needle crystal powder. *****2.882-3.13g/cm3, Sublimation *****'s slightly soluble in water and greatly soluble in HF Liquid. The chemical property for the high density aluminum fluoride is very steady, but that contains certain crystal water will be decomposed into Al2O3 at high temperature with HF being released.

Usage: Fluoride aluminum is mainly used as the fluxing agent for the electrolysis of aluminum in adjusting the molecular ratio level of the electrolyte in the electrolysis bath. also in ceramic glaze, catalyst and flux of nonferrous metal metallurgy, etc.

Standard:
ALUMINIUM FLUORIDE (ANHYDROUS)
High Bulk Density:
F 60%min; Al 33%min; Na2O 0.25%max; Al2O3 balance ;
SiO2 0.20%max; Fe2O3 0.05%max; SO3 0.50%max ;
P2O5 0.04