A filament supplier should provide clear product identity, specifications, processing data, safety information, packaging details, traceability and change control. Missing data creates avoidable risk.
Required information
- Material grade and colour.
- Diameter and tolerance.
- TDS and SDS.
- Packaging and lot.
Commercial support
Lead time, MOQ, acceptance criteria, claim process and change notification should be documented.
Verification
- Samples.
- Measurement method.
- Batch records.
| Document | Purpose | Check |
|---|---|---|
| TDS | Properties | Version |
| SDS | Safety | Storage |
| Batch | Traceability | Record |
| Offer | Supply terms | MOQ/lead time |
Common engineering mistakes
- No documents.
- Unclear tolerance.
- No batch record.
- No claim process.
- Verbal specifications only.
Buyer checklist
- Are documents current?
- Is the grade identified?
- Is the tolerance measurable?
- Is the batch traceable?
- Are changes controlled?
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