Methods HVLP & Conventional Air Spray How conventional air spray and HVLP guns work, feed systems, air supply, tip sizes, setup and technique, and when to… 5 min read
Methods Recoat Windows & Intercoat Adhesion What minimum and maximum recoat times mean, how temperature shifts them, why missed windows cause intercoat delamination, and how to… 4 min read
Chemistries Elastomeric Wall & Roof Coatings What makes a coating elastomeric, acrylic vs silicone vs urethane types, wall and roof uses, film thickness, moisture issues and… 4 min read
Science Anatomy of a Coating System Binder, pigment, carrier and additives — plus the primer, intermediate and topcoat layers that make a protective coating system work. 6 min read
Science Pitting & Crevice Corrosion How pitting and crevice corrosion start and self-accelerate, which alloys resist them, how PREN works, and how design, coatings and… 5 min read
Testing Wet Film Thickness Measurement How to measure wet film thickness with notch and wheel gauges, convert WFT to DFT with volume solids and thinner,… 5 min read
Methods Mixing, Induction Time & Pot Life How to mix two-component coatings correctly, what induction (sweat-in) time and pot life mean, and why temperature and batch size… 5 min read
Business Scheduling Coating Projects How to schedule coating projects: sequencing prep and coats, cure and recoat windows, weather risk, inspection hold points, outages and… 4 min read
Chemistries Thermal Spray Metallizing How thermal spray metallizing works, zinc vs aluminum vs Zn-Al alloys, arc and flame spray, surface prep, sealing, inspection and… 4 min read
Testing Impact & Flexibility Testing Impact and flexibility testing explained: ASTM D2794, ISO 6272, mandrel bend (ASTM D522), T-bend, cupping and elongation for coatings 4 min read
Surface Prep Surface Profile (Anchor Pattern) What surface profile (anchor pattern) is, how deep it should be for different coatings, what controls it, and how to… 6 min read
Surface Prep Solvent Cleaning (SSPC-SP 1) Solvent cleaning to SSPC-SP 1: why it comes first, solvent, detergent, alkaline and steam methods, rag technique, water-break and UV… 5 min read
