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Throughout the manufacturing processes, from the point where raw materials are delivered to when finished products are dispatched all processes are closely monitored. With the advanced in-house laboratory, Mayor Packaging Quality Assurance team members check and double check each manufacturing process. The diagram shows some of the quality checking processes required in different departments.

Printing
- Ink Adhesion Test
- CCD Printing Inspection
- Solvent Test
- Barcode Test
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Laminating
- Adhesive Coating Rate
- Solvent Test
- Lamination Strength
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Aging
- Solvent Test
- Lamination Strength
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Slitting
- Size Check
- COF (coefficient of Fiction)
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Pouch making
- Dimension
- Sealing Strength
- Pressure Test
- Leakage Test
- Retort Test
- Drop Test
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Final Inspection
- Size Check
- Solvent Check
- Printing Check
- Barcode Check
- Appearance Check
- Sealing Strength Check
- Micro-organism Check
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