Testing Abrasion & Hardness Testing Abrasion and hardness tests for coatings: Taber (ASTM D4060), pencil hardness, Shore durometer and pendulum methods, and how to interpret them 5 min read
Testing Key ASTM Standards for Coatings The ASTM test methods coating specs cite most — D4541, D3359, D4417, D7091, D5162, B117 and more — and how… 4 min read
Methods Environmental Conditions: Dew Point, Humidity & Temperature Dew point, relative humidity and temperature limits for coating work, the 5 °F (3 °C) rule, how to measure conditions… 6 min read
Business Pre-Job Conferences Coating pre-job conferences: who attends, a typical agenda, technical points to settle, how to run the meeting and why written… 4 min read
Testing The Coating Inspection Checklist A practical coating inspection checklist: pre-job review, surface prep, environmental checks, application, DFT, holidays, cure and documentation 4 min read
Surface Prep Dust Contamination on Blasted Steel How residual blast dust undermines coating adhesion, how the ISO 8502-3 tape test rates it, and practical ways to clean… 5 min read
Testing Adhesion Testing (Pull-Off & Cross-Cut) Pull-off and cross-cut adhesion testing explained: ASTM D4541, D7234, D3359, ISO 4624 and ISO 2409, failure modes and acceptance criteria 6 min read
Testing Concrete Pull-Off Testing Concrete pull-off testing explained: ASTM D7234 and C1583, coring, dolly bonding, failure modes and how to set sensible acceptance criteria 5 min read
Testing Surface Profile Measurement Methods Comparing surface profile methods — comparators, depth micrometers, replica tape and stylus — with procedures, sampling and common pitfalls. 5 min read
Testing Holiday (Pinhole) Detection Testing Holiday testing explained: low-voltage wet sponge vs high-voltage spark detection, NACE SP0188 and ASTM D5162, voltage selection and safety 5 min read
Business Coating Quality Control Plans Coating QC plans explained: QC vs QA, inspection and test plans, hold points, test methods and frequencies, nonconformance handling and… 4 min read
Testing Soluble Salt Testing Methods Field soluble salt testing explained: Bresle patch, sleeve and swab extraction, conductivity and chloride tests, units, sampling and acceptance limits 6 min read
