Keep the material reference and color approval tied to the intended packaging process. Review both the flat material and a representative folded or formed sample under agreed viewing conditions, with any required measurements recorded against the same reference.
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The following items are project requirements to agree with the supplier, rather than tested property values for every GAG grade.
| Project item | What to confirm |
|---|---|
| Color reference | Provide an approved physical color sample or reference. Agree on how the reference will be used for sample and production approval. |
| Appearance and viewing conditions | Specify the required opacity or transparency, surface finish and viewing conditions. Agree on any color measurement method and acceptance limits. |
| Quoted grade and construction | Ask the supplier to identify the GAG grade, layer construction and color formulation scope included in the quotation. |
| Thickness and roll dimensions | Specify nominal thickness, tolerance, usable width, core, winding direction and maximum roll dimensions for the intended equipment. |
| Formed or folded appearance | Provide the part drawing and inspect color, gloss, whitening and surface condition on representative folds and formed corners. |
| Sealing or joining trial | Identify the sealing method, equipment and mating material. Agree on trial conditions and seal inspection criteria. |
| Printing and surface requirements | Identify the printed side, artwork, ink or decoration process and any protective film. Approve the actual decorated sample where required. |
| Use-specific evidence | State the intended contents, contact conditions, handling environment and destination market. Request evidence for the quoted grade and use. |
| Repeat-order control | Retain the approved color sample, material reference and trial record. Agree on batch identification and the process for reviewing changes. |
| Packing and order scope | Confirm roll protection, transport requirements, quantity, sample timing and production lead time in the quotation. |
Inspect the trial package for the agreed color, opacity, finish, corner appearance and seal requirements. Record the material identity and process settings. Confirm any antifog, barrier, food-contact, medical or recycling requirement separately for the actual construction and destination market.
Use these related application collections to compare material format, thickness, surface treatment, forming behavior and RFQ details before requesting a production quote.
