Shop onlineSponge / Pinhole Testers
Premature corrosion of a substrate is usually due to the failure of the coating. A major cause of failure is the presence of flaws in the finished coating. Collectively referred to as a coating's porosity the main types of flaws are described below:
The Elcometer 270 Range utilises the 'wet sponge' method of holiday detection and has been designed to set a new standard for wet sponge detectors namely, a quality low voltage detector with similar accessories to a high voltage spark tester.
The Elcometer 260 UV Pinhole Flashlight is battery powered and housed in a rugged aluminium case providing a quick, low cost method of testing coatings for pinholes. Featuring a three-Watt purple light emitting diode, the Elcometer 260 UV flashlight has a beam wavelength of 405nm…
Frequently asked questions
What is the purpose of Sponge / Pinhole Testers?
Sponge / Pinhole Testers are used to detect flaws in coatings, such as pinholes, cissing, and cracking, which can lead to premature corrosion of substrates.
How does the High Voltage Technique work?
The High Voltage Technique uses a power supply that generates a high DC voltage applied via a probe to identify flaws in insulating coatings.
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