Testing &amp; Standards

Wet Film Thickness Measurement

How to measure wet film thickness with notch and wheel gauges, convert WFT to DFT with volume solids and thinner,…

Impact & Flexibility Testing

Impact and flexibility testing explained: ASTM D2794, ISO 6272, mandrel bend (ASTM D522), T-bend, cupping and elongation for coatings

ISO 12944 Corrosivity Categories

ISO 12944 corrosivity categories C1–CX and Im1–Im4 explained, with durability ranges L to VH and how they drive paint system…

Cathodic Disbondment Testing

Cathodic disbondment testing explained: ASTM G8, G42, G95, ISO 15711 and pipeline standards, test setup, measuring disbonded radius and limits

Environmental Monitoring Instruments

Environmental monitoring instruments for coating work: sling psychrometers, digital hygrometers, surface thermometers, dew point meters and data loggers

Testing Coating Cure

How to test coating cure: dry-time stages, solvent rub tests (ASTM D5402, D4752), pencil, Shore and Barcol hardness, and lab…

AMPP, SSPC & NACE Explained

What NACE, SSPC and AMPP are, how the 2021 merger happened, and how to decode SP, PA, TM and QP…

Daily Coating Inspection Reports

What to record in a daily coating inspection report, from dew point and batch numbers to DFT and nonconformances, and…

NSF/ANSI/CAN 61 for Coatings

What NSF/ANSI/CAN 61 certification means for potable water coatings, how products are tested, and how to read and comply with…

Gloss & Color Measurement

Gloss and color measurement explained: 20°, 60° and 85° gloss, ASTM D523, CIELAB, ΔE color difference, metamerism and practical tolerances

Dry Film Thickness (DFT) Measurement

How to measure dry film thickness: gauge types, calibration, SSPC-PA 2 and ISO 19840 sampling and acceptance rules, and wet-to-dry…