synthetic cryolite

Detailed Product Description:

synthetic cryolite: Na3AlF6
MOQ: 1 FCL: Package: 25kg bag,20MT/FCL
payment: T/T in advance or L/C: Lead time: with...
Brand Name: Natural
Purity: 53%min, 55%min
Place of Origin: China (Mainland)
CAS No.: 13775--53-6
Model Number: 53%,55%

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Synthetic Cryolite

Synonym: sodium fluoroaluminate

Formula: na₃alf₆

m. w.: 209.94

cas no.:13775-53-6

Grade: tech. grade

Description: it is crystalline white powder. slightly soluble in water, density 2.95-3, melting point 1000, easily absorbing water and become damp, decomposed by strong acids like sulfuric acid and hydrochloride, then producing hydrofluoric acid and relevant aluminum salt and sodium salt.

Specifications:

Ingredient	Super	First grade	Second grade
F%≥	53	53	53
Na% ≥	32	32	32
Al≥	13	13	13
H₂O%≤	0.4	0.5	0.8
SiO₂≤	0.25	0.36	0.4
Fe₂O₃%≤	0.05	0.08	0.10
SO₄%≤	0.7	1.20	1.30
P₂O₅%≤	0.02	0.03	0.03
CaO%≤	0.10	0.15	0.20
Ignite on 550^oC≤	2.5	3.00	3.00

Uses: mainly used in flux of electrolytic aluminum, pesticide, flux of ceramic colors, anti-rubbing filling agent of resin and rubber, electrolytic liquid for production of iron alloy rimmed steel and furnish of emery wheel.

Packing: packed in 25kg woven bags with plastic liner, 20mt/fcl

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