Retained sample
Traceable reference material kept to support later comparison or investigation.
Also called: reference retain
Material family: Procurement and technical resources
Where it matters
Specification control, acceptance and repeat-supply qualification.
Testing and verification
Use traceable methods, conditions and limits; documentary evidence must match the intended decision.
Related guides
- Industrial Material Specification & Supplier Qualification Checklist
- Battery Material Qualification & Supplier Development
- Lidding Films, Peel Seals And Resealable Structures
Related products and materials
General information for preliminary evaluation; not independently reviewed or certified. Confirm grades, standards and suitability with the manufacturer for your application. Interpret within the exact material, grade and test method.