The Glossary of the International Trade Centre (ITC) on the technical terms used in the packaging sector is a database designed to provide updated information on the specific terminology used in the packaging industry. This Glossary is a tool placed at the disposal of users for information only. It is not designed to replace the appropriate professional advice in any way. Users are invited to submit their comments and observations by email to Mr. Frederic Couty, Senior Adviser, Export Packaging at the following email address: fcouty[at]intracen.org
Select an alphabetic above to access the glossary.
Term for the headspace
above the product inside a container.
A sealing method
using ultrasonic frequencies applied to the surfaces to be sealed (20-40
printing inks and varnishes using UV radiation.
An indentation or
protuberance on a moulded form that impedes the withdrawal of the item from
A condition where
methods and materials used to package an item are inadequate for the level of
protection or other functional characteristics needed for a given
distribution and use requirement.
The first impression in printing, usually for the purpose of
attaining the true colour of the ink by printing the same, or a darker, value
of the same hue, or even black, to absorb the light reflected from the paper
through the ink applied in the final printing of the design. For example, a
single impression of a dark blue printed by letterpress on white paper or
board will frequently lack "depth" due to a certain amount of light
being reflected through the ink film by the white paper or board. If,
however, the design is first printed in black or dark blue, and then printed
with the final colour, the latter will show the desired "depth"
A package which
contains one discrete dosage form, i.e., one tablet, one capsule, one 2 ml
quantity of liquid, etc. A unit package consists of the unit quantity,
protective wrapping, cushioning, and identification marking, up to but not
including the shipping container. Single dose unit packaging is used for
foods, drugs, cosmetics, medical devices and some industrial products.
A machine to remove
empty bottles or cans from their shipping cases.
A single unit
package which contains, for example, one prescribed pharmaceutical dosage. A
tablet or a measured amount of liquid or powder.
how much one square metre of paper or any other substrate weighs in grams
(g/m2). Also called substance or grammage. In the United States of
America the basis weight is given for paper in pounds per 3,000 square feet
and for paper board the weight is expressed in pounds per l,000 square feet.
Four digit number
assigned by the UN Expert Committee on Transport of Dangerous Goods, to
identify groups of dangerous substances.
Selling feature of a
product that distinguishes it from its competition.
The forming of
several units into one larger unit such as pallet load or bundle.
A machine for
aligning randomly received and placed containers of various types in an
orderly manner, to feed into the next operation of a packaging or filling
Mould action in the
manufacture of closures. After the injection cycle is completed, the mould
cavity is removed. The core then begins to rotate, literally unscrewing the
core from the closure, as a stripper sleeve moves forward to eject it.
Product Code, also described as Uniform Product Code. The principal United
States numeric bar coding system for product identification.See also: EAN.
(1) Plastics based
on resins made by the condensation of organic isocyanates with compounds or
resins that contain hydroxyl groups. (2) Urethane plastics are a type of
iso-cyanate plastics, are generally elastomeric and are available as foams,
solid plastics, and coatings.