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Metal Etchants

Sulfuric Acid Etching Mixture (17244)

SLF 90-10 (48) Puranal

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Physical Properties

  • Physical Form
    • Liquid
  • Melting Point/Range
    • No data available
  • Boiling Point/Range
    • No data available
  • Odor
    • Weak
  • Flashpoint
    • Not applicable

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Corrosive in contact with metals

International Transportation

  • Sub Class 1
    • 6.1
  • Packing Group
    • II
  • UN Number
    • 2922
  • Harmonized System Code
    • 38249996
  • Chemical Class
    • 8

Physical Properties

  • Physical Form
    • Liquid
  • Melting Point/Range
    • No data available
  • Boiling Point/Range
    • No data available
  • Odor
    • Weak
  • Flashpoint
    • Not applicable

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Corrosive in contact with metals

International Transportation

  • Sub Class 1
    • 6.1
  • Packing Group
    • II
  • UN Number
    • 2922
  • Harmonized System Code
    • 38249996
  • Chemical Class
    • 8
  • Physical Form : Liquid
  • Melting Point/Range : No data available
  • Boiling Point/Range : No data available
  • Odor : Weak
  • Flashpoint : Not applicable
  • Corrosivity : Corrosive to metals
  • Thermal Decomposition : No decomposition if used as directed.
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Corrosive in contact with metals
  • Sub Class 1 : 6.1
  • Packing Group : II
  • UN Number : 2922
  • Harmonized System Code : 38249996
  • Chemical Class : 8
Property
Value
particles > 0,5 µm
Max. 250 P/ml
assay of sulfuric acid
88.5 - 91.5 %
assay of total-HF (acc. to Döhr)
2.7 - 3.3 %
residue on ignition
Max. 20 ppm
arsenic (As)
Max. 3 ppm
iron (Fe)
Max. 5 ppm
lead (Pb)
Max. 10 ppm
selenium (Se)
Max. 5 ppm
chloride (Cl)
Max. 3 ppm
KMnO4 red. matter (as O)
Max. 10 ppm