On this page

A meaningful product test states what was tested, how it was tested and under what conditions. A demonstration can illustrate an idea, but it does not replace a repeatable method or independent report.
Choose a test for the claim
Adhesion, abrasion, scratch, chemical exposure, UV weathering, gloss retention and film thickness describe different properties. Select a method that matches the real-world claim. A test of water behavior cannot establish impact performance.
Read the method and report
Check the standard or protocol, specimen preparation, substrate, conditioning, load, cycles, endpoints, instrument calibration, sample count and pass criteria. Confirm the tested product version matches what is being sold. Ask whether the lab was independent and whether the complete report is available.
Repeatability and comparisons
Side-by-side comparison requires the same substrate, application conditions, cure, conditioning and test method. Small samples and uncontrolled demonstrations can be misleading. Results should include variability and should not be generalized beyond the tested conditions.
What consumers should request
Ask for reports relevant to the property you care about, not a list of unexplained logos or scores. Treat missing or non-comparable evidence as unknown. Do not infer certification or approval from a supplier’s mention of a standard.
Related questions
What is wet-film versus dry-film thickness?+
Wet-film thickness is measured before drying or curing; dry-film thickness is measured after the process. They are not interchangeable.
How is PPS tested?+
Tests should match the claim and report the method, substrate, conditions and results. Demonstrations are not standardized tests.
References and further reading
- ASTM D3359 — Standard Test Methods for Rating Adhesion by Tape Test.
- ASTM D523 — Standard Test Method for Specular Gloss.
- ASTM G154 — Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Materials.
Consult the current published editions and confirm that a method is appropriate for the substrate and claim. Listing a standard does not imply that LIQVIX or any other product has been tested to it.
ASTM International ↗Continue learning
Explore LIQVIX
Learn about the LIQVIX product and its documented specifications.