Inorganic gold Coloring Additive (Non-Electro)

Alumon Gold 4N

Alumon Gold 4N is a ferrioxalate-based preparation in powder form. This product is for attaining gold shades of high fastness on artificially produced aluminium oxide film.

Commercial form: greenish yellow powder

Storage stability: practically unlimited. Protect product from effects of light and moisture. Any lumps that may form have no influence on the product's dyeing properties.

Solubility at 25°C: 430 g/l water
at 65°C: 750 g/l water

Bulk density: 550 g/l

pH of product: 4.0 ± 0.5 at 30 g/l

RECOMMENDED APPLICATION DETAILS:

Anodic coating thickness : 10 - 25 microns.
Concentration : 5 – 15 g/l (Pale)
15 – 30 g/l (Medium to Deep)
pH range : 4.5 - 6.0
Buffering : Sodium Acetate or Acetic Acid
Dye bath temperature : 40° - 55° C
Immersion time : 2 – 20 minutes (depending upon Shade)

SEALING:

The dyed oxide film must be properly sealed properly using a hot sealing salt ANO SEAL CA-350 for best result.

• Ammonium compounds shall not be used for controlling of the pH or to buffer dye bath solution.
• The presence of ammonium compounds in the sealing solution may cause leaching and loss of color.
• Use sodium acetate for dye buffer.
• Adequate care to be taken for proper rinsing to control drag-in for optimum tank life.
• Dye may be dissolved separately outside the dye bath. Use demineralized water for better dye bath stability.
• The life of dye bath is reduced by water containing ammonium.

Disclaimer: The information contained herein is believed to be true and accurate. However, Metadye makes no guarantees concerning the veracity of any statement. Use of any information on this page shall not attach any liability to Metadye or its associates. Metadye in no manner whatsoever, expressly or implied, warrants this information to be accurate and disclaims all liability for its use including any implied warranties of merchantability, suitability, fitness for a particular purpose or otherwise. Any person utilizing this document should seek competent professional advice to verify and assume responsibility for the suitability of this information to their particular situation. Under no circumstances shall Metadye be liable for any special, indirect, incidental or consequential damages of any kind, including loss of profits or income, and any such claims are hereby waived. Metadye strongly encourages the reader to consult the appropriate local, state and federal agencies concerning the matters as to handling, use, storage or disposal of any product, including its use alone or in combination with other products, or as to any apparatus or process for the use of any product.