BONDERITE C-AK 4338LP2

Harmonization Code : 3208.20.90 | Paints and varnishes that are dispersed or dissolved in a non aqueous medium

BONDERITE C-AK 4338LP2

Main features

  • High-Temperature Oxide-Scale Conditioning
  • Equal-Volume Two-Liquid Mixing
  • 15 to 25% Component Concentration

Product Description

BONDERITE® C-AK 4338L AERO is a two-component alkaline permanganate scale remover and conditioner developed specifically for jet-engine cleaning. It chemically modifies high-temperature oxide scale on ferrous and heat-resistant alloys, conditioning the deposit for easier chemical removal in subsequent processing steps. Supplied as two liquid concentrates, the system supports safer and easier handling than powdered products, offers a wide operating-concentration range, and can be used in mild-steel tanks.

Key features

  • Jet-engine scale conditioning: Developed to modify high-temperature oxide deposits before subsequent chemical removal.
  • Two-component liquid system: Supplied as liquid Part A and Part B concentrates for tank make-up and maintenance.
  • Ferrous and heat-resistant alloy compatibility: Suitable for ferrous and high-temperature alloys under controlled process conditions.
  • Flexible bath concentration: May be operated across a range of concentrations to address different scale types.
  • Long bath life: Identified by the supplier as supporting extended bath operation.

Applications / Suitable for

  • Jet-engine cleaning processes
  • Conditioning of high-temperature heat scale
  • Ferrous alloys
  • High-temperature and heat-resistant alloys
  • Immersion metal-pretreatment systems

Technical Specifications

Other Properties
Storage Temperature
Optimum 19–24°C (protect from freezing) °C
General Properties
Appearance
Appearance at room temperature.
Dark violet liquid
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
Not Published

Additional Information

Technical properties

As-supplied / before-processing properties

Supplier-published product characteristics and storage information for BONDERITE® C-AK 4338L AERO.

Property Value Unit Method / condition
Technology Metal pretreatment — Supplier classification
Chemical type Permanganate scale remover / conditioner — Supplier classification
Components Two-component — Part A and Part B liquid concentrates
Part A appearance Colorless — As supplied
Part B appearance Dark violet — As supplied
Optimal storage temperature 19–24 °C Store unopened in a dry location
Adverse storage limits Below 12 or above 38 °C May adversely affect product properties
Freezing sensitivity Protect from freezing — Storage requirement
Technical properties

After-processing / operating properties

Supplier-published bath preparation, operating, and control conditions for BONDERITE® C-AK 4338L AERO.

Property Value Unit Method / condition
Part A concentration 15–25 % v/v Final working solution
Part B concentration 15–25 % v/v Use Part A and Part B in equal volumes
Make-up heating temperature 90 °C Heat while mixing during solution preparation
Operating temperature 80–95 °C Immersion scale-conditioning step
Immersion time 30–60 minutes Scale-conditioning step in the published multi-stage process
Part 1 bath-control calculation [(2 × A) − B] × 1.05 % v/v 5 mL sample; titrate with 1.0 N H₂SO₄ to pH 8.3 and then pH 4.0
Part 2 bath-control calculation V × N × 21.8 % v/v Titrating Solution 1565; V = mL used and N = solution normality
Compatible process-tank material Mild steel — Supplier-published equipment compatibility

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