Two-liter bottle
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The two-liter bottle is a common container for
soft drink A soft drink (see § Terminology for other names) is a drink that usually contains water (often carbonated), a sweetener, and a natural and/or artificial flavoring. The sweetener may be a sugar, high-fructose corn syrup, fruit juice, a su ...
s,
beer Beer is one of the oldest and the most widely consumed type of alcoholic drink in the world, and the third most popular drink overall after water and tea. It is produced by the brewing and fermentation of starches, mainly derived from ce ...
, and
wine Wine is an alcoholic drink typically made from fermented grapes. Yeast consumes the sugar in the grapes and converts it to ethanol and carbon dioxide, releasing heat in the process. Different varieties of grapes and strains of yeasts are m ...
. These bottles are produced from
polyethylene terephthalate Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods ...
, also known as PET plastic, or glass using the
blow molding Blow molding (or moulding) is a manufacturing process for forming hollow plastic parts. It is also used for forming glass bottles or other hollow shapes. In general, there are three main types of blow molding: extrusion blow molding, injection ...
process. Bottle labels consist of a printed, tight-fitted plastic sleeve. A resealable screw-top allows the contents to be used at various times while retaining carbonation. In the United States, the two-
liter The litre (international spelling) or liter (American English spelling) (SI symbols L and l, other symbol used: ℓ) is a metric unit of volume. It is equal to 1 cubic decimetre (dm3), 1000 cubic centimetres (cm3) or 0.001 cubic metre (m3). ...
bottle is one of the few cases where a product is sold by a round number of
metric units Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. The most widely used examples are the units of the International System of Units (SI). By extension they include units of el ...
. Since very few other beverages are sold in this exact quantity, the term "two-liter" in
American English American English, sometimes called United States English or U.S. English, is the set of variety (linguistics), varieties of the English language native to the United States. English is the Languages of the United States, most widely spoken lan ...
almost invariably refers to a soft drink bottle. Other common metric sizes for plastic soft drink bottles include 500 milliliters, 1 liter, and 3 liters.


History

PepsiCo PepsiCo, Inc. is an American multinational food, snack, and beverage corporation headquartered in Harrison, New York, in the hamlet of Purchase. PepsiCo's business encompasses all aspects of the food and beverage market. It oversees the manuf ...
introduced the first two-liter sized soft drink bottle in 1970. Motivated by
market research Market research is an organized effort to gather information about target markets and customers: know about them, starting with who they are. It is an important component of business strategy and a major factor in maintaining competitiveness. Mark ...
conducted by new marketing vice president
John Sculley John Sculley III (born April 6, 1939) is an American businessman, entrepreneur and investor in high-tech startups. Sculley was vice-president (1970–1977) and president of PepsiCo (1977–1983), until he became chief executive officer (CEO) ...
(who would later be known for heading
Apple Inc. Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (totaling in 2021) and, as of June 2022, is the world's biggest company b ...
from 1983 to 1993), the bottle and the method of its production were designed by a team led by Nathaniel Wyeth of
DuPont DuPont de Nemours, Inc., commonly shortened to DuPont, is an American multinational chemical company first formed in 1802 by French-American chemist and industrialist Éleuthère Irénée du Pont de Nemours. The company played a major role in ...
, who received the patent in 1973. In 1985, a three-liter bottle appeared on supermarket shelves. The design is still used to this day by some bottlers. Most modern-day two-liter bottles are one piece of
PET A pet, or companion animal, is an animal kept primarily for a person's company or entertainment rather than as a working animal, livestock, or a laboratory animal. Popular pets are often considered to have attractive appearances, intelligence, ...
(polyethylene terephthalate) with a base that is molded with a radial
corrugation The term corrugated, describing a series of parallel ridges and furrows, may refer to the following: Materials *Corrugated fiberboard, also called corrugated cardboard *Corrugated galvanised iron, a building material composed of sheets of cold-r ...
to provide strength for the bottom and the ability to stand upright. Most early two-liters had a separate opaque base glued to the hemispherical bottom of the clear PET flask. This base had a coaxial corrugation and drain holes.


Recycling

Used two-liter bottles see new life in a variety of uses including carpeting, boat hulls, polyester fabric, filling for jackets, sleeping bags, mattresses, pillows, recycling bins, artificial floating
island An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...
s, scouring pads, and, on an increasing scale, new soft drink bottles.


Specifications

Typical dimensions: * Height * Diameter {{convert, 120 to 100, mm, in, abbr=on


See also

*
Container deposit legislation Container-deposit legislation (also known as a container-deposit scheme, deposit-refund system or scheme, deposit-return system, or bottle bill) is any law that requires the collection of a monetary deposit on beverage containers (refillable or ...
*
Metrication in the United States Metrication (or metrification) is the process of introducing the International System of Units, also known as SI units or the metric system, to replace a jurisdiction's traditional measuring units. U.S. customary units have been defined in t ...
*
Plastic bottle A plastic bottle is a bottle constructed from high-density or low density plastic. Plastic bottles are typically used to store liquids such as water, soft drinks, motor oil, cooking oil, medicine, shampoo, milk, and ink. The size ranges from v ...


References

Bottles Metrication Plastics applications