6-Stage Quality Control System
Production batches are reviewed through the applicable inspection stages defined in the approved specification and order quality plan.
Raw Material Inspection
Incoming materials are inspected or tested according to the approved material specification and sampling plan before release to production.
In-Process Monitoring
Configured coating lines use inline monitoring and SPC alerts at defined sampling intervals and thresholds.
Slitting & Rewinding QC
After coating, paper is converted to the confirmed dimensions. Vision inspection, roll measurements, and acceptance criteria follow the applicable product specification and quality plan.
Thermal Performance Testing
Selected finished rolls are tested on reference printers under documented conditions when required by the approved specification and quality plan.
Aging & Durability Test
Accelerated comparative aging may be used under a documented laboratory method; it does not guarantee field storage life, which depends on material grade and exposure.
Final Batch Release
Release records, declarations, test data, and traceability scope are provided when required by the approved order quality plan.
Laboratory & Test Equipment
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