Glass Packaging Institute the glass finish number. For example, an 8-425 finish is approximately 8 mm neck outside diameter with a 425 finish corresponding to a threaded neck typically found on small vials. Glass Packaging Institute The Glass Packaging Institute (GPI) is the North American trade association for the glass container industry, headquartered in Arlington, Virginia. Through GPI, glass container manufacturers advocate job preservation and industry standards, and promote sound energy, environmental, and recycling policies. The GPI membership consists of 5 glass container manufacturing member companies, and 33 supplier member companies, who provide raw materials, recycled glass, equipment, decorating, and other services to
Glass production the mould that made it. Operators carry out a range of checks manually on samples of containers, usually visual and dimensional checks. Sometimes container factories will offer services such as labelling. Several labelling technologies are available. Unique to glass is the "Applied Ceramic Labelling" process (ACL). This is screen-printing of the decoration onto the container with a vitreous enamel paint, which is then baked on. An example of this is the original Coca-Cola bottle. Absolut Vodka Bottles have various added services such as: Etching (Absolut Citron/) Coating (Absolut Raspberry/Ruby Red) and "Applied Ceramic Labelling" (Absolut Blue/Pears/Red/Black). Glass containers are packaged