ASTM G8 Cathodic Disbondment

Environmental Exposure

ASTM

Chemical, Liquid, Pipeline Coating, Plastics

A coating material is exposed to electrical stress in a highly conductive, alkaline electrolyte. Electrical stress is obtained by means of a sacrificial magnesium anode or from an impressed current. The coating is perforated before the test. After the specified time a physical examination is carried out to determine any  loss of adhesion.

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The testing that 4ward carried out was of a high standard, met deadlines and targets that were necessary and we were kept involved with regular updates as the testing progressed. The support and guidance that 4ward offered to us as an individual company and via their input to BASA was greatly received and helped the industry increase it’s knowledge of what is still a confusing issue. I'm sure that that the issue of CE Marking will continue to evolve and encompass more products, but it is our intention to continue to use 4ward for our CE Marking requirements whether for new product...

Adshead Ratcliffe and Co Ltd

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