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Measure a coating sample programme by qualified evaluations and useful outcomes, not only by the number of samples dispatched.
Updated · NANOLAB Knowledge

Shipping many coating samples does not necessarily create useful evidence or commercial progress. A sample programme needs a defined path from dispatch to evaluation and a clear reason for each sample.
Possible goals include technical qualification, installer training or a first commercial order. Keep these goals separate. A sample that resolves an unsuitable use case may be valuable even if it does not convert into a sale.
In an illustrative programme, 100 samples are sent, 60 evaluations begin and 30 produce complete feedback. Evaluation-start yield is 60%, feedback yield per dispatch is 30%, and feedback yield among started evaluations is 50%. These figures describe different bottlenecks.
If samples arrive but testing does not start, investigate timing, instructions or application fit. If tests begin but feedback is unusable, simplify the evaluation form and define the observations beforehand. Include sample, freight and support costs when comparing programme approaches, but avoid treating every later sale as caused by the sample. Keep cohort dates visible so a recently dispatched group is not judged against one with months of follow-up.
Discuss your private-label coating project. For application and care, use the current instructions for the exact product.

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