Krolls reagent 1 liter
Krolls reagent 250 ml
Krolls reagent 500 ml
Krolls reagent etching
Kroll's reagent 1 Liter
Kroll's reagent 250 ml
Kroll's reagent 500 ml
Kroll's reagent Etching

Kroll’s Reagent for Titanium Etching

Product Code : GKE407-192
Packing : 250 mL – 500 mL – 1 Litre
Availability : in Stock

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Kroll’s Reagent for Titanium Etching

Kroll’s Reagent is the universally recognized standard for the metallographic examination of titanium. Because titanium naturally forms a highly resilient oxide layer, standard etchants like Nital cannot penetrate the surface. Kroll’s Reagent overcomes this passivity through a highly controlled, aggressive chemical action that exposes the true underlying microstructure without causing severe pitting or artificial staining.

Whether your laboratory is examining commercially pure (CP) titanium, complex alpha-beta alloys like Ti-6Al-4V, or advanced aerospace forgings, our Kroll’s Reagent delivers high-contrast, repeatable, and easily documentable results essential for rigorous quality assurance.

Certified ASTM E407 Compliance

Accurate phase identification in titanium alloys is absolutely critical for structural integrity assessments in high-stakes industries. Gündüz Kimya manufactures our Kroll’s Reagent in strict adherence to ASTM E407 (Standard Practice for Microetching Metals and Alloys).

Kroll’s Reagent Applications & Uses

Our Kroll’s Reagent provides exceptional chemical performance for demanding specialized applications:

  • Alpha and Beta Phase Identification: The primary etchant for cleanly distinguishing between alpha (lighter) and beta (darker) phases in multi-phase titanium alloys.

  • General Titanium Metallography: Excellently reveals grain boundaries and structural flow in commercially pure titanium used in medical implants and industrial chemical piping.

  • Weld and Heat-Affected Zone (HAZ) Analysis: Delivers sharp contrast for the macroscopic and microscopic evaluation of complex titanium weldments, exposing precise fusion lines and structural changes.

  • Zirconium and Advanced Alloys: Can also be utilized for the microstructural examination of certain zirconium alloys and select high-performance superalloys.

Kroll’s Reagent Flexible Packaging to Suit Institutional Demands

Due to the highly hazardous nature of hydrofluoric acid, our Kroll’s Reagent is packaged exclusively in specialized, chemically inert, non-glass polymer containers engineered for maximum laboratory safety:

  • 250 ml Bottle: Ideal for specialized research, low-volume medical device testing, or academic demonstrations.

  • 500 ml Bottle: The standard configuration for aerospace and industrial laboratories performing regular titanium quality control workflows.

  • 1 Liter (1000 ml) Bottle: The highly efficient and economical choice for high-capacity manufacturers and large-scale materials testing facilities.

Why Choose Gündüz Kimya’s Kroll’s Reagent?

  • Exceptional Purity: Compounded utilizing strictly analytical-grade acids and highly purified distilled water to prevent sample contamination and false artifacts.

  • Ready-to-Use Safety: Professionally pre-mixed to exact stoichiometric specifications. This safely removes the extreme, life-threatening risks associated with laboratory personnel handling concentrated Hydrofluoric Acid (HF) during in-house dilution.

  • Unwavering Consistency: Rigorous batch-control guarantees identical etching performance across every order, ensuring the absolute reliability of your long-term metallurgical data.

  • Specialized Storage: Packaged in high-density, acid-resistant polymer containers specifically designed to safely store HF blends without container degradation.

Technical Specifications

Feature Specification
Product Name Kroll’s Reagent (Metallographic Etchant)
Standard Compliance ASTM E407
Active Ingredients Distilled Water, Nitric Acid, Hydrofluoric Acid (HF)
Appearance Clear, colorless liquid
Available Volumes 250 ml, 500 ml, 1 Liter
Application Method Swabbing or Immersion (typically 3 to 10 seconds, wash immediately)
Grade Analytical / Laboratory Grade
Manufacturer Gündüz Kimya

Extreme Safety & Handling Warning:
Kroll’s Reagent contains Hydrofluoric Acid (HF), which is exceptionally toxic, highly corrosive, and readily penetrates the skin to attack underlying bone and tissue. HF burns are extremely dangerous and require immediate, specialized medical treatment (Calcium Gluconate). Never store in glass containers. Extreme laboratory safety precautions are absolutely mandatory. Always use complete Personal Protective Equipment (PPE), including heavy-duty neoprene or nitrile gloves, a full face shield over safety goggles, and a heavy protective lab coat. Use strictly under a certified laboratory fume hood. Please consult the comprehensive Safety Data Sheet (SDS) provided by Gündüz Kimya prior to use and ensure Calcium Gluconate gel is readily available in your laboratory first-aid kit.

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