Section 3.5: Glass Manufacturing Quality
Glass container manufacturing quality is a direct correlation to the process controls in place and to standards in which these controls are held:
- Batching
- Melting
- Conditioning
- Forming
- Packaging
- Warehouse
- Shipping
Each step in the glass container quality process is subjected to numerous automatic, semi-automatic and manual monitoring and measuring steps both through electronic or human intervention, so as to meet or exceed a customer's requirements.
continue to Section 4: Design & Differentiation

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About the institute
The Glass Packaging Institute (GPI) is the trade association representing the North American glass container industry. Through GPI, glass container manufacturers speak with one voice to advocate industry standards, promote sound environmental policies and educate packaging professionals. GPI member companies manufacture glass containers for food, beverage, cosmetic and many other products. GPI also has associate members that represent a broad range of suppliers and closure manufacturers.
