HDL 73W

NEUTRAL DEOXIDIZER

HDL 73W

NEUTRAL DEOXIDIZER

Description of HDL 73W

Engine cleaner for hot section of gas turbine engines. Removes rust, metallic oxides and heat scale.

HDL 73W is a neutral deoxidizer which sequesters the metal particles (oxides, ions, etc.) not chemically related to the substrate surface.

HDL 73W is the key component of our new innovative 3-step process in the removal of complex metallic oxides. To complete the surface treatment it is recommended to follow with immersion in an alkaline permanganate solution (HDL 2524), then return to HDL 73W.

Main product features

  • Effectively removes metallic oxides and heat scale
  • Liquid form provides ease of handling
  • Does not contain strong acids, pH near neutrality
  • Eliminates one step in the 4-step process

HDL 73W is a product from the MagChem range.

Use

Cleaning the hot section of gas turbine engine components and other similar parts, and scale and rust removal. Approved for use on high strength steels, alloy steels and heat resistant alloys.

Precautions

For more information regarding the danger of the product, please consult the product safety data sheet according to local regulation.For industrial use only.

Directions for use

Parts should be cleaned, degreased and if necessary de-carbonized prior to this process.Maintain solution at a concentration of 30 – 40% volume solution, and a temperature of 77 – 88 ºC (170 – 190 ºF).The parts to be processed should be immersed in the solution for 15 to 30 minutes, preferably with agitation, followed by a spray rinse or in an overflowing rinse tank.The typical sequence would be the following:1) HDL 73W (neutral deoxidizer), 40%, 180 ºF, 20 minutes2) HDL 2524 (alkaline permanganate), 50%C, 25%P, 190 ºF, 30 minutes3) HDL 73W, (neutral deoxidizer), 40% , 180 ºF, 20 minutesOn heating, this solution was found to darken with time- this in no way affects the performance or tank longevity of the product.Concentration can be maintained in accordance with the method supplied by Socomore ou MagChem.It is recommended to use 304 or 316 stainless steel in the construction of the immersion tanks.

Approvals

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Access the product technical and safety data sheets here, and download them in one click.

HDL 73W
Technical sheetPDF / Download
Safety Data SheetPDF / Access the secure area
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Complementary products

Hdl 2524

A Two-Part Liquid Alkaline Permanganate Product Scale Oxidizer, Hot Section, Jet Engine Parts

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