Review antifog performance against agreed conditions and a defined duration. Identify the quoted film, treatment side and processing steps, then keep the evaluation record with the representative package sample. General antifog wording does not establish a permanent effect, shelf-life extension or contact approval.
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These are project requirements to agree with the supplier, rather than measured properties or guaranteed results for every APET film.
| Review item | What to confirm |
|---|---|
| Quoted film and treatment | Confirm the APET grade, antifog treatment or construction and the side intended to face the package contents. Record the material and sample reference. |
| Dimensions and format | Specify thickness, tolerance, usable width and sheet or roll format. Confirm winding, core and handling requirements where relevant. |
| Package and contents | Provide the pack drawing, intended contents, closure or lidding arrangement and any contact conditions. |
| Antifog evaluation conditions | Agree on the evaluation method, temperatures, humidity or condensation conditions, duration and appearance acceptance criteria for the intended use. |
| Converted-sample review | Evaluate the actual formed, laminated or otherwise converted sample. Keep its processing conditions and material identity with the result. |
| Storage and handling | Confirm storage instructions, handling precautions, shelf-life information and any limitations stated for the quoted treatment. |
| Contact and special evidence | Request applicable documentation for the actual grade, contents, contact time, temperature and destination market. Identify any barrier or other special requirement separately. |
| Approval and repeat supply | Retain the approved sample, evaluation record, inspection criteria, packing requirements and the process for reviewing material or treatment changes. |
Use these related application collections to compare material format, thickness, surface treatment, forming behavior and RFQ details before requesting a production quote.
