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
Jug Jug A jug is a type of container commonly used to hold liquids. It has an opening, often narrow, from which to pour or drink, and has a handle. Jugs throughout history have been made of metal, ceramic, glass or plastic. In British english jugs are usually Drinking vessels, for holding drinkable liquids, and not a type of packaging. In North American English these table jugs are usually called pitchers. Several other types of containers are also called “jugs”, depending on locale, tradition, and personal preference. Some types of bottles can be called jugs, particularly if the container has a