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Sodium Hydroxide / Caustic Soda 15 %

The 15% sodium hydroxide serves as an effective macro-etching agent for aluminum welds, including those made of aluminum alloys, pure aluminum and hard aluminum alloys.

Due to its strong alkaline properties, the caustic solution can effectively attack the surface of aluminum welds, resulting in a high-contrast visualization of the individual weld layers and heat-affected zones. This macroscopic weld assessment is critical for quality assurance and process control in manufacturing.

Chemically, sodium hydroxide is a strong base that forms an alkaline solution when dissolved in water. This alkaline nature results in an effective etching reaction when in contact with aluminum.

When applied to aluminum welds, the sodium hydroxide reacts with the surface, causing an etching reaction. This results in a visually differentiated appearance of the weld layers and heat affected zones, allowing a detailed assessment of the weld quality.

Article no.: 14761

Etching and cleaning

  •   Container size and order number Net price Amount
    Sodium Hydroxide / Caustic Soda 15 % - 100 ml
    Order number: 14761.00100
    9,53 €
    Sodium Hydroxide / Caustic Soda 15 % - 250 ml
    Order number: 14761.00250
    10,45 €
    Sodium Hydroxide / Caustic Soda 15 % - 500 ml
    Order number: 14761.00500
    13,93 €
    Sodium Hydroxide / Caustic Soda 15 % - 1.000 ml
    Order number: 14761.01000
    16,67 €
    Sodium Hydroxide / Caustic Soda 15 % - 2.500 ml
    Order number: 14761.02500
    29,30 €
    Sodium Hydroxide / Caustic Soda 15 % - 5.000 ml
    Order number: 14761.05000
    37,86 €
    Sodium Hydroxide / Caustic Soda 15 % - 10.000 ml
    Order number: 14761.10000
    54,02 €
    Sodium Hydroxide / Caustic Soda 15 % - 20.000 ml
    Order number: 14761.20000
    99,48 €
    Sodium Hydroxide / Caustic Soda 15 % - 25.000 ml
    Order number: 14761.25000
    113,03 €

Important Information

UN-Nummer: 1824

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 36 Monate

safety data sheet

product information

Relevant Incredients:
• Sodium hydroxide

Technical informations

specifications

Hazard and safety instructions

Signal Word 1: Gefahr
Signal Word 2: acid_red, , ,
Warning labels: