Inorganic Surface Coatings – Sampling for Attribute Control. ISO 4519:1980 specifies methods for sampling inorganic surface coatings for attribute control, which involves inspecting and evaluating specific quality characteristics of the coating. The standard defines how samples should be taken from batches of coated items and which attributes should be assessed, such as thickness, adhesion, and […]
Standards
Here you will find the standards we follow for surface treatment and material analysis. These standards ensure that our processes and measurement methods meet internationally recognised requirements for quality, accuracy and repeatability.
Inorganic Surface Coatings – Evaluation of Test Specimens and Manufactured Items Subjected to Corrosion Testing. ISO 10289:1999 specifies methods for evaluating test specimens and manufactured items subjected to corrosion testing. The standard provides guidelines on assessing and documenting corrosion damage, including visual inspection and measurement of coating defects. It also covers methods to quantify the […]
Inorganic Surface Coatings – Post-Coating Heat Treatment of Iron or Steel to Reduce Hydrogen Embrittlement. ISO 9588:2007 specifies guidelines for heat treatment of iron and steel components after applying metallic surface coatings to reduce the risk of hydrogen embrittlement. Hydrogen embrittlement occurs when hydrogen infiltrates the metal during the coating process, causing the material to […]
Inorganic Surface Coatings – Electrolytic Coating of Cadmium with Supplementary Treatment on Iron and Steel. ISO 2082:2017 specifies the requirements and methods for the electrolytic coating of cadmium on iron and steel. Cadmium coatings provide corrosion protection, particularly in demanding environments such as aerospace and marine industries. The standard also includes supplementary post-treatment processes to […]
Inorganic Surface Coatings – Measurement of Coating Thickness – Beta Backscatter Method. ISO 3543:2000 describes the beta backscatter method, a technique for measuring the thickness of inorganic surface coatings. This method is particularly useful for coatings on metallic substrates and works by bombarding the surface with beta particles. A detector measures the backscattered radiation, with […]
Inorganic Surface Coatings – Coating Thickness Measurement – Non-Magnetic Metallic Coatings on Metallic and Non-Metallic Substrates – Phase-Sensitive Eddy Current Method. ISO 21968:2019 details the phase-sensitive eddy current method for measuring the thickness of non-magnetic metallic coatings on metallic and non-metallic substrates. This non-destructive technique is precise for thin coatings. The standard outlines testing procedures, […]
Inorganic Surface Coatings – Methods for Measuring Ductility – Overview. ISO 8401:2017 provides an overview of various methods for measuring the ductility of inorganic surface coatings, which is a measure of the coating’s ability to deform without cracking. The standard outlines the principles of several testing methods used to determine ductility, such as bend testing, […]
Inorganic Surface Coatings – Porosity Testing – Determination of Porosity in Gold or Palladium Coatings on Metallic Materials Using Gel Electrografy. ISO 15720:2001 specifies a method for determining the porosity of gold and palladium coatings on metallic materials using gel electrografy. The method involves applying an electrolyte gel to the coating, enabling the detection and […]
Inorganic Coatings – Metallic and Other Inorganic Coatings – Vickers and Knoop Microhardness Testing. ISO 4516:2002 outlines the Vickers and Knoop methods for microhardness testing of metallic and other inorganic coatings. These techniques evaluate the hardness of coatings by pressing a small indenter onto the surface and measuring the size of the indentation. The Vickers […]
Inorganic Surface Coatings – Metallic Coatings on Metallic Substrates – Corrosion Testing with Saltwater Droplets (SD Testing). SS-ISO 4536 describes corrosion testing of metallic coatings on metallic substrates using saltwater droplets, simulating corrosive marine environments. After exposure, the coating’s resistance to corrosion is evaluated. This method is particularly relevant for applications in maritime industries, infrastructure, […]
Fasteners – Non-Electrolytic Zinc Flake Coatings. ISO 10683:2018 specifies requirements and test methods for non-electrolytic zinc flake coatings on fasteners such as screws and bolts. These coatings offer corrosion protection without the need for traditional electrolytic processes. Zinc flake coatings provide excellent corrosion resistance even on complex geometries and are particularly important in automotive and […]
Inorganic Surface Coatings – Coatings Formed by Hot-Dip Galvanizing on Iron and Steel Articles – Specifications and Testing Methods. ISO 1461:2022 specifies the requirements and testing methods for coatings formed by hot-dip galvanizing on iron and steel articles. Hot-dip galvanizing protects steel and iron from corrosion by applying a zinc coating. The standard defines requirements […]
Fasteners – Hot-Dip Galvanizing. ISO 10684:2004 establishes specifications for hot-dip galvanizing of fasteners, such as screws, nuts, and bolts, to provide corrosion protection. Hot-dip galvanizing involves immersing fasteners in molten zinc, forming a protective layer resistant to corrosion. The standard specifies requirements for zinc coating thickness, adhesion, and corrosion resistance, along with test methods to […]
Inorganic Surface Coatings – Chromate Conversion Coatings on Electrolytic Zinc and Cadmium Coatings. This standard covers the requirements and testing methods for passivated coatings on zinc and cadmium surfaces. The passivation process increases corrosion resistance and reduces the need for additional surface treatments. The standard outlines how passivated surfaces should be tested to meet quality […]
Inorganic Coatings – Definitions and Principles for Porosity Testing. ISO 18332:2007 defines and describes principles for porosity testing of inorganic coatings. Porosity testing identifies and quantifies pores or voids in coatings, which can affect their corrosion resistance and mechanical properties. The standard details various test methods, such as electrochemical testing and microscopy, to detect and […]
Inorganic Surface Coatings – Corrosion Protection of Metals – Rinsed and Non-Rinsed Chromate Conversion Coatings on Aluminum and Aluminum Alloys. The standard specifies requirements for rinsed and non-rinsed chromate conversion coatings on aluminum and its alloys, designed for corrosion protection and as a base for subsequent painting. The document provides guidelines on testing methods to […]
Inorganic Surface Coatings – Coating Thickness Measurement – Profilometric Method. This standard outlines a profilometric method for measuring the thickness of inorganic surface coatings. It includes principles of profilometry, equipment requirements, and procedures for conducting measurements. The standard provides guidance on sample preparation, instrument calibration, and analysis of measurement results. Associated processes Measurment of coating […]
Metallic and Other Inorganic Coatings – Porosity Testing – Ferroxyl Testing. This standard describes the ferroxyl testing method for detecting pores in metallic and other inorganic coatings. It specifies test procedures, reagents, and evaluation methods. The method is primarily used to assess porosity in nickel, chromium, and copper coatings on steel substrates. The standard provides […]
Metallic and Other Inorganic Coatings – Phosphating. This standard describes the phosphating process for metallic surfaces. Phosphating is used to improve corrosion resistance and the adhesion of subsequent coatings. The standard specifies different types of phosphating processes, their applications, and quality requirements. It also provides guidelines for process parameters, control methods, and testing procedures to […]
Inorganic Surface Coatings – Determination of Coating Thickness Using Microscopy. The standard describes methods for measuring the thickness of metallic coatings, oxide layers, and porous coatings using optical microscopy. It covers sample preparation, measurement procedures, and calculations to determine coating thickness. The standard provides guidelines for selecting microscopes, calibration, and factors affecting measurement accuracy. It […]
Corrosion of Metals and Alloys – Testing with Sulfur Dioxide in a Humid Atmosphere (Fixed Gas Method). This standard specifies testing methods for evaluating the corrosion resistance of metals and alloys by exposing them to sulfur dioxide in a humid atmosphere. Known as the “fixed gas method,” it is relevant for assessing the performance of […]
Non-Magnetic Coatings on Magnetic Substrates – Determination of Coating Thickness – Magnetic Method. This standard specifies a magnetic method for measuring the thickness of non-magnetic coatings on magnetic substrates. It describes the principles of magnetic thickness measurement, equipment requirements, and measurement procedures. The standard provides guidelines for calibration, sample preparation, and factors affecting measurement accuracy. […]
Inorganic Surface Coatings – Determination of Coating Thickness – X-Ray Spectrometric Methods. This standard describes X-ray spectrometric methods for measuring the thickness of inorganic surface coatings. It covers principles of X-ray fluorescence and X-ray diffraction, as well as equipment and procedures for conducting measurements. The standard provides guidance on sample preparation, instrument calibration, and interpretation […]
Inorganic Surface Coatings – Electrolytic Chromium Coatings – Electrolytic Corrosion Testing (EC Testing). This standard specifies methods for electrolytic corrosion testing of electrolytic chromium coatings. It describes testing procedures, equipment, and evaluation methods to assess the corrosion resistance of chromium coatings. The standard provides guidelines for sample preparation, testing conditions, and interpretation of results. Associated […]
Fasteners – Electrolytic Coatings on Fasteners. This standard specifies requirements for steel fasteners with electrolytic coatings and coating systems, as well as dimensional properties for fasteners made of copper or copper alloys. It provides guidelines for minimizing the risk of hydrogen embrittlement and focuses on fasteners with zinc, zinc-alloy, and cadmium coatings for corrosion protection […]