Seal Strength vs Package Integrity
Compare seal separation force with defect detection before choosing a sterile-package study. A strong seal can still contain a leak; an integrity result does not establish opening strength.
| Scope | What it addresses | Boundary / RFQ input |
|---|---|---|
| Seal strength | Force/failure mode of a defined seal | Does not establish absence of leaks |
| Package integrity | Defects detected by a suitable method | Does not establish peel/opening strength |
| Process validation | Forming/sealing process capability | Not replaced by a few passing packages |
Select complementary evidence
ASTM F88/F88M addresses seal strength of flexible barrier materials. Package integrity techniques address leaks or defects in suitable materials. Define the defect, seal geometry, porosity and validated sensitivity rather than substituting a strength result for integrity.
Compare proposals by the protocol
Request fixture/support technique, specimen width, failure mode and conditioning for strength work; controls, sensitivity and defect locations for integrity work. Agree individual results, photographs and investigation of ambiguous failures. Allocate separate specimens where methods are destructive.
Prepare a scoped RFQ
Send a concise objective first, then agree sample allocations and confidential documentation with the provider.
- Product, materials/formulation, patient or drug contact, contact duration, intended use and target market; identify changed materials, suppliers or processes.
- Finished configuration, sample count and lots, sterilization modality/cycles, aging and storage history; justify worst-case variants and destructive allocations.
- Existing evaluation plan, drawings, specifications, methods/editions, previous reports and acceptance criteria; send confidential files only through the private intake.
- Required report, quality/accreditation scope, budget range, location, shipping constraints and decision deadline; ask the provider to explain exclusions and subcontracted work.
Laboratories with relevant capabilities
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Sources and scope references
Related testing briefs
Confirm standard edition, jurisdiction and actual laboratory scope. Service references are not partnerships or endorsements.