1. Scope
Specifies a test method to evaluate the adhesion of paints and varnishes by cutting a grid pattern into the coating and assessing the level of detachment.
2. Application
Used for single or multilayer coatings on rigid substrates to determine their adhesion quality.
3. Principle
A series of cuts form a grid pattern on the coating, and adhesive tape is applied and removed to test adhesion.
4. Equipment
Includes a cutting tool, adhesive tape, and a magnifier for visual inspection.
5. Procedure
Make cuts through the coating, apply tape, remove it, and visually assess the adhesion level using a standardized scale.
6. Precision
Depends on operator skill, tape type, cutting accuracy, and substrate condition.
7. Limitations
Not suitable for coatings thicker than 250 μm or on flexible substrates.
Quality Manager
Experienced Quality Manager with expertise in NDT, welding, and other.
An experienced Quality Manager specializing in NDT welding, with a focus on ensuring top-quality welding processes, safety, and compliance with industry standards. I manage quality control systems and train candidates in NDT inspections, equipping them with the skills to maintain high-quality and reliable welding practices. Dedicated to continuous improvement, I aim to deliver exceptional results while fostering a culture of excellence and safety in every project.
Paints and varnishes — Cross-cut test ISO/DIS 2409
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