The Importance of Quality Control Testing
Product quality issues cost manufacturers thousands in lost revenue each year. Issues such as bubbles in lamination, fish eyes, haze, and adhesive failure can often be avoided or quickly resolved by following simple control procedures before problems lead to significant scrap and production down-time.
Preventing lamination and coating problems before they occur is very often a matter of choosing the correct Quality Control (QC) tests, being diligent in their use, and using properly calibrated instruments. Consistently running these tests allows for a solid baseline to be developed as well as traceability in production. Using properly calibrated instrumentation ensures that the data collected is valid and reproducible. Here we will review the QC tests that are critical throughout the lamination process.
Quality Checks at Ogaan Laminates
- Resistance Test
- Resistance to scratches
- Resistance to surface wear
- Resistance to immersion in boiling water (increase in thickness and mass, and change in appearance is noted)
- Resistance to burns
- Resistance to steam
- Resistance to staining
- Resistance to scratching
- Resistance to cracking
- Resistance to color change (when exposed to Xenon arc lights and Carbon arc lights)
- Resistance to impact (the laminate sheet is impacted with a small diameter ball)
- Resistance to heat (dry heated to 180-degree centigrade)
Decorative Laminates are most commonly used as an overlay over wooden substrates such as plywood, particle boards or MDF. The laminates should be good enough to protect the wood and hence should have high resistance to common furniture problems such as scratching and stains. All these tests are designed to check the strength of the laminate and its resistive properties in tough conditions.
Dimensional stability Test
The laminate sheet should not vary too much in size when the temperature changes. The sheets should retain their original dimensions to a good extent. Tests are carried out to check the dimensions of the sheet at a temperature of 20-degree centigrade, and at deviated temperatures.
Appearance is a crucial aspect of decorative laminates, not in the sense of designs or patterns used, but that the laminate sheet should be free of any foreign particles.