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YOTECH AMINO ACID FACTORY (R&D) OF SUZHOU
YOTECH FINE CHEMICAL OF SUZHOU

Product  

 


Potassium fluoroaluminate

Potassium Tetrafluoroaluminate:   Molecular formula: KAlF4         Molecular weight : 142.07

Potassium Hexafluoroaluminate: Molecular formula: K3AlF6      Molecular weight : 258.28  

Uses: Riveting agent for aluminum and aluminum alloys, glass ceramic industry in flux and friction modifier active filler can also be used as insecticides.

Property: white or light gray powder, slightly soluble in water, toxic.

CAS#: Tetrafluoroaluminate 14484-69-6 Hexafluoroaluminate 13775-52-5  Customs No.: 2826909090  MSDS: YF0606-07 Risk No.: Non-dangerous

Product specification

Export grade

Welding material grade

Aluminium metallurgy grade

Index

Yotech Standard

Yotech Standard

National First grade

Assay  (Active ingredients)          %

≥99.0

≥99.0

≥98.0

Al                     %

15-18 

17.5-18.5  

17.25-19 

K                      %

28.0-32.0

27.0-31.0

29.0-31.0

F                      %

48.0-53.0

50.0-53.0

52.15-55.0

Fe                     %

≤0.001 

≤0.002 

≤0.005 

Sulfate radical (SO4 )          %

≤0.02 

≤0.05 

≤0.05 

Heavy metal (Pb)             %

≤0.001 

≤0.001 

≤0. 01 

Chloride (Cl)              %

≤0.01 

≤0.02 

≤0.1 

Na                    %

≤0.1 

≤0.2 

≤0. 2 

Silica (SiO2)       %

≤0.002 

≤0.002

≤0. 06 

Intermediate inspection

Appearance Identification

white powder

white powder

white powder

Loss on dry (105℃/2H)  %

≤4.0 (300℃/2H)

≤0.5 

≤1.5 

Whiteness (70-90um Granularity)  %

≥95 

≥90 

≥95 

Melting point                  ℃

550-560 

550-580 

560-580 

Transmission (15% Aq. solution)  %

≥98 

≥92 

≥80 

Foreign substance detection

≤1mm/10

≤1mm/10

≤1mm/10

Granularity (U.S.SCREEN)   mesh

50% pass 2000 mesh

50% pass 1250 mesh

90% pass 450 mesh

Shelf life year

Two years

Two years

Two years

Supply reference

Production process

99.5%HF Membrane KOH

99.5%HF Membrane KOH

99%HF Membrane KOH

Packing

25KG composite paper bag /16T/(20')FCL

25KG composite paper bag /16T/(20')FCL

25KG composite paper bag /16T/(20')FCL

Specification of price

FCL

FCL

FCL

Price           CNY/T

Validity period of quoted price

3 months

3 months

3 months

Note: special requirements are negotiable for customers with specific specifications.

         
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