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White Powder Sodium Cryolite Insoluble In Anhydrous Hydrogen Fluoride

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White Powder Sodium Cryolite Insoluble In Anhydrous Hydrogen Fluoride

Country/Region china
City & Province jiaozuo henan

Product Details

White powder Cryolite Co-production of white carbon black for Flux

 

Product Description
 

Sodium fluoaluminate. It is a white crystalline powder or a sandy size granularity as well. Melting point about 1000ºC. It is insoluble in anhydrous hydrogen fluoride, but slightly in water.

 

ItemStandard Spec.(%)Test result
AppearanceWhite powderWhite powder
Sodium fluoride(NaF)≥9898.7
Silicon dioxide (SiO2)≤0.50.46
Sulfate (SiO4)≤0.30.06
Acidity (HF)≤0.10.05
Sodium carbonate(Na2CO3)≤0.50.12
Water insoluble matter≤0.50.45
Water(H2O)≤0.50.12
Mesh size80-200mesh100mesh

 

Specification

 

CIFICATION (GB/T4291-2007)
CHEMICAL COMPOSITION (%)
CH-0
CH-1
CM-0
CM-1
F
≥52
≥52
≥53
≥53
Al
≥12
≥12
≥13
≥13
Na
≤33
≤33
≤32
≤32
SiO2
≤0.25
≤0.36
≤0.25
≤0.36
Fe2O3
≤0.05
≤0.08
≤0.05
≤0.08
SO4 2-
≤0.6
≤1.0
≤0.6
≤1.0
CaO
≤0.15
≤0.20
≤0.20
≤0.6
P2O5
≤0.02
≤0.03
≤0.02
≤0.03
H2O(105~110°C)
≤0.20
≤0.40
≤0.20
≤0.40,
Loss on Drying(500~550°C,1h)
≤2.0
≤2.5
≤2.0
≤2.5
PACKING
Package can be 25/50/1000kg plastic woven bags with shrink film, or according to customer’s requirements.
REMARKS
The size distribution can be sandy (80mesh~100mesh), powder (200mesh~325mesh), granular (0~10mm).The molecular proportion can be specified (during 1.0~3.0) according to special requests.Other items can be specified according to special requirement.

 

 

Usage
 
It is mainly used as a flux in the aluminium smelting by fused salt electrolysis;also an opalizer in the manufacture of enamel;an opacifier and auxiliary solvent of glass and enamel;an insecticide of crops;a flux in aluminium alloy casting;and in the production of ferrous alloy and effervescing steel.

 

 

Advantages

 

1.All products are manufactured by advanced devices and follow international standards like ISO9000 , ISO14000 and RoHS which can ensure the purity , finished products will only be shipped after being passed OQC department's strict inspection

2.Free sample is available and customized products are welcome

3.Fast delivery and good after –sale service

 

 

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