Professional Detailing2 min read

Coating Trial Improvements: Show the Starting Value Beside the Percentage

A percentage improvement is easier to interpret when the starting and final values are shown. The same percentage can represent very different practical changes, and a large relative change from a small baseline may have limited operational importance.

Updated · NANOLAB Knowledge

The key distinction

State the outcome and its units before calculating a percentage. Explain whether an increase or a decrease is desirable for that measure. Keep the raw values available so readers can judge the size of the change and check the arithmetic. A percentage should summarize an observation, not replace the conditions that produced it.

Practical checks

  1. Record the baseline and comparison value using the same defined method.
  2. Calculate the change relative to the stated baseline and label the direction clearly.
  3. Explain the practical consequence, including whether the observed difference exceeds relevant measurement or task variability.

Example

Arithmetic example: reducing a cleaning task from 10 minutes to 8 minutes is a 20% reduction and saves 2 minutes in that example. Reducing it from 1 minute to 0.8 minute is also 20%, but the absolute saving is only 12 seconds. The percentage alone hides that difference.

Scope and limits

Do not generalize an illustrative calculation into a NANOLAB performance claim. A valid comparison needs representative conditions and actual results. Avoid percentage calculations where the baseline is zero or where the chosen measurement scale does not support the interpretation.

Related guidance

Ask NANOLAB about the exact product and intended use. Use the current product documentation for formulation-specific instructions.

Professional Detailing2 min read

Coating Trial Photographs: Keep Image Processing Consistent

Editing settings can change the apparent contrast, colour and clarity of a coating comparison. Preserve the original photographs and apply a consistent, disclosed processing approach when images are used as evidence.