Our Quality

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At Diamond Flexible Packaging, quality control is the most important aspect of our business. We believe that is why we have such a remarkably high customer retention rate. Providing a first-class product isn’t something we just say, it’s something that we do day after day, run after run. We produce our pouches, roll-stock, and custom bags to the highest quality standards available and we stand behind our work. 

Diamond Flexible Packaging has an extensive quality control system that is easily tailored to fit any customer’s needs. We have all the necessary testing equipment in-house allowing us to easily provide full traceability – a product can be sourced from film origin to machine operator. ASI as complaint to SQF - edition 9. As a certified site it shows our commitment to a culture of food safety and operational excellence in food safety management. DOWNLOAD the certificate. 

Quality Assurance

Additionally, we have highly trained and experienced personnel who are dedicated to the quality of your product. All Quality Assurance inspectors, machine operators and production supervisors are permanent, long-time employees who have received extensive and specific training for their job duties. We are SQF acredited organization.

Diamond Flexible Packaging Quality Assurance includes utilizing ASTM industry test methods for:

  • Dimensions
  • Tensile properties
  • Seal strength
  • Burst
  • Leak
  • COF
  • Ink adhesion
  • Color verification
  • Lamination bond strength
  • Random line audits of finished products
  • Regular calibration of equipment
  • CAPA tools for continuous improvement


From the start, we use the highest quality domestically-sourced raw materials to ensure a first-class end product.

  • All Diamond Flexible Packaging materials meet FDA codes for direct food contact
  • Sourced from only qualified vendors
  • All raw materials, maintenance, and cleaning supplies are food-grade products
  • All incoming raw material is inspected before use

From our materials to our methods, Diamond Flexible packaging has a plan to make sure your pouch, roll-stock or custom bag comes to you with our quality guarantee. Call us today to learn more.