Dry Lamination Adhesive Mix Ratio Log
Track adhesive, hardener, and solvent ratios before each dry lamination run, along with pot life and coat weight. Use it to confirm the mix is correct before the laminator starts.
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Built for: Packaging · Flexible Packaging · Printing And Converting · Manufacturing
Overview
The Dry Lamination Adhesive Mix Ratio Log is a production-quality template for recording the exact adhesive system used on a dry lamination line. It focuses on the mix details that matter most before the web runs: adhesive, hardener, solvent, pot life, coat weight, and the verification step that confirms the batch is ready.
Use this template when your process depends on a correct mix to achieve bond strength, appearance, and cure performance. It is especially useful at startup, after a batch change, after a pause that may affect pot life, or whenever a supervisor needs a clear record of who checked the mix and when. The log helps keep the work atomic: one batch, one verification, one decision to run or hold.
Do not use it as a substitute for a full SOP, formulation sheet, or lab test record. It is not meant for broad process development or for capturing every downstream defect. If your line does not use a measured adhesive system, or if mix ratios are controlled automatically by equipment with no manual verification, this template may be unnecessary. It is most valuable where manual preparation, operator judgment, and pre-run confirmation create risk of blocking defects and wasted material.
Standards & compliance context
- This template supports documented process control and traceability practices commonly expected in quality systems for converting and packaging operations.
- If your site follows OSHA-style safety procedures, use the log to confirm that handling and mixing steps were completed before the line starts.
- If adhesive handling is governed by internal SOPs or customer specs, align the recorded ratios and verification step with those approved limits.
- When the mix affects regulated product quality, keep the log as part of the batch record and retain it according to your site’s document control rules.
General regulatory context for orientation only — verify current requirements with counsel or the relevant agency before relying on this template for compliance.
How to use this template
- 1. Enter the job, line, date, shift, and DRI so the mix record is tied to one specific run.
- 2. Record the adhesive, hardener, and solvent amounts or ratios exactly as prepared, and mark any N/A fields that do not apply.
- 3. Verify the pot life, coat weight target, and any tolerance limits before releasing the batch to the laminator.
- 4. Confirm the mix against the formulation or work order, then note whether the check is blocking or non-blocking for startup.
- 5. Review any out-of-spec result, create a follow-up task for re-mix or escalation, and only then allow the line to run.
Best practices
- Record the mix immediately after preparation so the numbers match the actual batch, not memory.
- Use one checklist item per verification point, such as ratio check, pot life check, and coat weight check, so each answer is independently verifiable.
- Treat any out-of-tolerance ratio or expired pot life as a blocking issue until a supervisor or quality lead clears it.
- Capture the adhesive lot, hardener lot, and solvent lot when traceability matters for customer complaints or rework analysis.
- Set clear acceptance ranges for coat weight and pot life on the template so operators do not guess at pass or fail.
- Keep the DRI visible on every log entry to avoid shift handoff gaps and duplicate checks.
- Use the same template across lines where the process is similar, but customize fields for product-specific formulations and tolerances.
What this template typically catches
Issues teams running this template most often surface in practice:
Common use cases
Frequently asked questions
What does this template actually record?
It records the adhesive, hardener, and solvent mix ratio used on a dry lamination line, plus pot life and coat weight. It is meant to verify that the batch was prepared correctly before the laminator runs. The log also gives you a place to note the DRI, time, and any blocking issues if the mix is out of spec.
When should this log be completed?
Complete it before startup, after any mix change, and whenever a fresh batch is prepared during the shift. If the line pauses long enough that pot life may be affected, log a new verification step before restarting. For recurring production, use it every run rather than only when something goes wrong.
Who should fill out the log?
The person preparing the adhesive batch should complete the checklist item entries, and a supervisor or line lead can verify the final mix before release. In some plants, the operator and quality tech split the work, but the key is that one DRI owns the check. The template is flexible enough to support either simple or checklist task types depending on your workflow.
Is this template useful for quality or compliance reviews?
Yes, because it creates a traceable record of the mix used on a specific run and shows that the verification step happened before production. That helps support internal quality systems and audit trails for process control. It is not a substitute for your site SOP, but it aligns well with documented batch verification practices.
What are the most common mistakes this log helps catch?
It helps catch wrong ratio calculations, missed solvent additions, expired pot life, and coat weight drift before the web is wasted. It also surfaces blocking issues like using the wrong adhesive lot or starting the laminator before the mix is confirmed. A common pitfall is logging the batch after the run has already started, which defeats the point.
Can I customize this for different laminator lines or products?
Yes, and you should. Different substrates, adhesive systems, and coat weight targets often need different fields, tolerances, or verification steps. You can add product codes, line IDs, lot numbers, or N/A options for steps that do not apply to a specific job.
How does this compare with an ad hoc notebook or whiteboard?
A notebook or whiteboard may capture the numbers, but it usually misses consistency, ownership, and reviewability. This template standardizes the checklist item order, makes the answers independently verifiable, and keeps the record tied to the run. That makes it easier to spot trends and hand off work between shifts.
Can this log connect to other production or quality workflows?
Yes, it pairs well with batch records, line clearance checks, startup inspections, and nonconformance follow-up tasks. You can link it to a Kanban board for blocking issues, or to a service-management style runbook for escalation when the mix is out of tolerance. It also works well alongside shift handoff and maintenance verification tasks.
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