PPC Engineering Tools
Powder Coating Failure Diagnostic
Explore common potential causes of peeling, pinholes, bubbling, orange peel, corrosion, fading and other coating defects.
Choose the symptom and context to see common factors that may deserve investigation. This tool does not diagnose a part remotely; physical inspection and process history may be required.
Project inputs
Build your review
Your selections
Observed issue: Peeling / delamination Substrate: Carbon steel Service environment: Indoor controlled
Technical context
What this tool is designed to answer
PPC uses project-specific information to determine the practical finishing route. The tool helps organize the right questions before technical review; customer drawings and specifications remain controlling where supplied.
Questions
Frequently asked
Why does powder coating peel?
Potential causes include contamination, poor pretreatment, insufficient surface profile, compatibility issues, incorrect cure or severe service exposure. Root cause requires evidence from the actual part and process.
What causes pinholes in powder coating?
Possible contributors include substrate outgassing, contamination, trapped gases, coating thickness, cure profile and characteristics of cast or porous materials.
Turn the tool result into a production conversation
Send PPC your drawings, specifications, quantities and performance requirements for technical review and quotation.