A material claim becomes testable when it is connected to an intended quality characteristic, stated specifications, a testing requirement, and a defined evaluation method. The American Society for Quality (ASQ) says supplier quotes should be requested against specifications and other requirements, including testing. It also lists prototyping, laboratory testing, or validation testing of supplier samples as evaluation methods.
The distinction can be organized as follows:
| Element | What should be stated | Purpose |
|---|---|---|
| Material claim | The intended quality characteristic and its expected level or state | Establishes what is being claimed |
| Quote basis | The specifications and testing requirements provided to the supplier | Gives the supplier a stated basis for the quote |
| Evaluation method | The selected approach for assessing supplier samples | Makes the assessment method explicit |
| Assessment | The observed result compared with the intended level or state | Shows whether the requirement was met |
How to check the claim
First, identify the intended quality characteristic. A broad claim cannot be evaluated unless its expected level or state is defined. ASQ defines nonconformity as a departure of a quality characteristic from its intended level or state.
Next, check whether the supplier was given the specifications and testing requirements needed to respond. A quote is more useful for comparison when the supplier and reader are working from the same stated requirements rather than an unspecified description of the material.
Then record how supplier samples will be evaluated. ASQ identifies prototyping, laboratory testing, and validation testing as possible methods; it does not say that one method is appropriate for every material or project.
Finally, compare the evaluation result with the originally intended level or state. Under ASQ’s definition, a departure represents a nonconformity rather than simply an unspecified difference.
What the reader must still confirm
The cited guidance does not determine which specification, test, or evaluation method applies to a particular material. Before requesting quotes or judging samples, the reader must confirm:
- The relevant quality characteristics and their intended levels or states
- The specifications that should govern the material
- The testing requirements that must accompany the quote request
- The appropriate sample-evaluation method
- The criteria against which the result will be assessed
These project-specific decisions determine whether a material claim is genuinely testable. A technical description alone is not enough: the claim, quote request, evaluation method, and intended quality characteristic must remain connected throughout the process.