Quality control

Our qualified personnel perform the following quality inspection tasks:

  • Coating thickness measurement (5-1500 µm)
  • Inspection for proper surface hardening
  • Inspection of coating bond to base material
  • Inspection for cleanliness of openings using borescopes to inspect drilled holes along the full length
  • Surface purity measurement using the Bresle method
  • Identification check
  • Dimensional check
  • Functional check
  • Nominal conductivity measurement
  • Phosphate line bath analysis

We follow the requirements of the following standards:

  • Environment, pre-treatment: ISO 8502, ISO 8501, ISO 8503, SSPC SP3, SSPC SP5, SSPC SP10, ASTM D-4285, ASTM D-4940, NACE RP-0287
  • Phosphating: ISO 9717, ISO 3892
  • Coating thickness: ISO 2178, ISO 2808, ASTM D-1186, ISO 19840
  • Coating bond: ISO 2409, ASTM D-3359, ISO 4624, ASTM D-4541
  • Coating porosity: ISO 29601, NACE RP-0188, ASTM D-5162, ASTM D-4787
  • Coating resistance: ISO 9227, ASTM B-117
  • Frosio inspector NS 476 – level III.


Contact us if you have any questions about our inspection process, standards, and certificates.