Glossary

Accelerated Ageing
Subjecting material to far more severe conditions than are likely to be encountered during use. In order to predict behaviour during natural ageing.
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Accelerated Weathering
Method whereby the deterioration caused by outdoor exposure may be accelerated and reproduced in the laboratory.
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Acrylic Adhesive
Pressure sensitive adhesive based on high strength acrylic polymers.
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Adhesion
Bond between two surfaces.
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Adhesion, Build Up
Increase in peel adhesion value of a self adhesive material after it has been applied to a surface.
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Adhesion, Initial
Peel adhesion, measured 20 minutes after application of the self adhesive material.
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Adhesion, Peel
Force required to remove a pressure sensitive material from a substrate. (Important: the measurement of this force can only be determined under specific, standardised conditions in order to obtain reliable and comparable results).
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Adhesion, Ultimate
Peel adhesion, measured 24 hours after application of the self-adhesive material.
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Adhesive
Substance which is capable of holding materials together by surface attachment.
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Adhesive Bleed
Migration of an adhesive from the edge of labels or materials.
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Adhesive Residue
Adhesive remaining behind on a substrate when a pressure sensitive material is removed from the substrate.
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Adhesive Transfer
Transfer of adhesive from its normal position on the face film to the surface to which the film was attached.
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Adhesive, Low Temperature
Adhesive which is capable of forming the required bond when applied at a temperature of 2°C.
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Adhesive, Permanent
Adhesive that provides a premanent bond to a wide variety of surfaces.
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Adhesive, Removable
Adhesive characterised by low ultimate adhesion to a variety of surfaces.
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Adhesive, Repositionable
Adhesive which permits removal and repositioning shortly after application but prior to development of ultimate adhesion.
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Adhesive, Semi-Permanent
Adhesive with initial tack similar to that of a permanent adhesive, but removable for up to the specified period after application.
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Air Release Adhesive Technology
A special feature with channels in the liner that permits air flow and helps eliminate air bubbles during the application process and reduces the overall application time.
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Aliphatic
Any organic compound in which the main structure is a chain of carbon atoms joined to each other is classified as being aliphatic.
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Anchorage
Adhesion of an adhesive coating or ink to a material.
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Anti Graffiti
A product that aids the easy removal of graffiti.
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Application Tape
Support material used to facilitate the removal of pressure sensitive markings from the backing paper and allowing application to the required substrate.
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Application Temperature
Recommended temperature at which a self adhesive material is advised to be applied. Both the substrate and adhesive should be at this temperature.
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ASTM
American Society for Testing and Materials.
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Backing Paper
Component of a laminate which protects the adhesive and serves as a carrier. Easy removal of the backing paper prior to application of the self-adhesive material is of prime importance. Also referred to as Release Liner / Liner.
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Blistering
Partial delamination between surfaces resulting in a bubbled appearance.
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Blocking
Undesirable adhesion between adjacent surfaces of materials.
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Bloom
A visible exudation or efforescence on the surface of a material.
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Brightness
Amount of white light reflected by unprinted media. Often enhanced by the use of optical brightening agents which give a blue tinge.
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Bubble Free
A special feature with channels in the liner that permits air flow and helps eliminate air bubbles during the application process and reduce overall application time.
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Calender
To prepare sheets of material by pressure between two or more counter rotating rollers. The machine that performs this operation is known as a calender.
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Calendered PVC
PVC film manufactured on a calender machine. The material is produced by means of a system of cylinders which distribute and press the PVC into a film of the required caliper / thickness.
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Caliper
A measure of the thickness of a paper or film. Caliper is expressed in micrometers, millions or thousands of an inch.
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Carbon Fibre Effect Vinyl
Vinyl film that replicates a carbon fibre appearance and texture.
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Cast PVC
PVC film manufactured by "spreading" PVC onto a web of coated paper. The technique allows the production of PVC film with low caliper, high flexibility and excellent dimensional stability.
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Chemical Resistance
Resistance of a material to the deterioration effects resulting from exposure to chemicals under specified conditions.
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Chroma
Level of intensity (density) of a colour.
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CIE (Commission Internationale de l'Eclairage)
Standards setting organisation for colour measurement.
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Clean removability
The ability of a film to be removed from its application surface without leaving any adhesive residue.
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CMYK
Subtractive colour model used for full colour printing. Cyan, Magenta, Yellow and Black inks are combined to produce the maximum range of colours with the most efficient use of ink.
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Cockle
Puckering or wrinkling of material. Caused by expansion of paper fibres as a result of overloading the ink receptive layer with ink.
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Cohesive Strength
Strength of an adhesive determined by the force required to split or separate it internally.
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Colour
Perception of different wave-lengths of light. The perceived colour depends upon three elements - the light source, the object and the viewer.
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Colour Fastness
Ability of a material to retain its original colour or to resist change in colour when exposed to light, heat and other deteriorating influences.
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Colour Matching
Custom manufacture of a vinyl film in a specified colour - especially useful for corporate identities.
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Conditioning
Subjecting material to specific temperature and humidity conditions for a stipulated period of time in order to obtain a balance between the material and its environment.
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Conformability
Ability of a material to adjust itself to the contours of a surface.
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Container Markings
General term applied to pressure sensitive decals designed for companies owning road or shipping containers. Usually produced to identify and promote the company owning the containers.
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Creep
Lateral movement of a pressure sensitive material on a surface.
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Cross Direction
Direction at right angles to the production direction of a material.
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Cure
To change the properties of a polymeric system into a more stable, usable condition by the use of heat, rediation or reaction with chemical additives.
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Curl
Material tendency to diverge from being a perfectly flat surface along the web direction. (Ideally material should exhibit zero curl). See also Hang.
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Delamination
Separation of layers in a laminate because of failure in or near the material interface. May be used to describe any splitting of a material in a plane parallel to its surface.
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Die
Device in conversion machinery used for cutting the PVC film, or the entire laminate, into a shape.
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Dimensional Stability
Degree of expansion or contraction of material due to different environmental conditions (temperature, humidity etc).
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Double Sided Adhesive
Self adhesive coating on both sides in order to bind two elements.
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Double Sided PE Liner
See Liner / Release Liner. DSPE liner offers excellent layflatness and good performance on plotters.
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Edge Curling
Curling of a self-adhesive material from the substrate after application.
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Elongation
Increase in length of material brought on by extending it to the breaking point.
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Emulsion
Dispersion of fine particles or globules in a liquid which are normally incompatible.
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Encapsulation
Output protected by sealing, usually with a clear laminate on both sides and with an edge seal, so that no area is exposed to moisture.
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Face Material
Any paper, film, fabric, etc. which has been adhesive coated on the backside.
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Fading
Process of degradation of colour.
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Film
An optional term for sheeting having a nominal thickness not greater than 0.010 inch.
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Finish
Surface property of a material determined by its surface contour and gloss level.
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Fleet Markings
General term applied to decals, or pressure-sensitive applications, designed and produced for customers having more than one vehicle for business use. Usually produced to identify and promote the company owning the fleet and/or it's products.
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Flexibility
Property of face material measured in specified conditions to determine how readily they will conform to curved surfaces.
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Fluorescence
Physical process at which the pigments in a material absorb light and transform this light into a different colour.
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Gauge
Distance (thickness) between the two surfaces of a paper or film. Gauge is expressed in micrometers, millions or thousands of an inch. See Caliper.
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Ghosting
Second, often lighter image, slightly offset from the true image (typically found on film). In electrographic printing ghosting can be the result of running at high speed or outside recommended humidity.
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Gloss
The shine or luster of the surface of a material.
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Grammage
Weight of a material (of known caliper) in grams per square metre.
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Gravel Resistance Test
A test to simulate stones, gravel or other flying debris hitting a material to determine how resistant the material is to these conditions.
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Hang
Material tendency to diverge from being a perfectly flat surface across the web direction. See also Curl.
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Haze
Property of a transparent film which appears as reduced clarity.
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Heat Resistance
Ability of a material to resist physical or chemical changes caused by exposure to raised temperatures.
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High Tack Adhesive
Adhesive designed for applications where an increased initial adhesion is required.
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Hue
Description of specific colour, taking into account the balance of red/green and blue/yellow component without reference to either the intensity (chroma) or lightness (value) of the colour.
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Humidity, Relative
Ratio of the amount of moisture contained in air to the maximum amount of moisture that can be carried in air at a given temperature.
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Incoterms 2010
Internationally recognised shipping terms between buyer and supplier.
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Initial Tack
A measurement of the initial grab of a pressure sensitive adhesive.
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Iridescent
Vinyl with a two tone finish giving a colour change effect as the viewing angle of the vinyl changes.
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Key
Adhesion of an adhesive coating or ink to a material.
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Kraft Release Liner
See Liner / Release Liner. A paper liner that gives good performance on plotters.
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L*a*b* CIELAB
Internationally accepted colour model used as a standard to define colour within the graphic arts industry. It is three-dimensional where L* is the lightness-darkness axis, a* the red-green axis and b* the yellow-blue axis.
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Laminate
A product made by bonding two or more layers of material or materials.
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Lamination/Laminating
Adhering of two or more materials together. Usually a clear material applied to a printed surface by hot or cold lamination.
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Lay-Flatness
Ability of a self adhesive laminate to remain flat under a change in temperature/humidity conditions.
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Light Fast
Ability of a print to withstand prolonged exposure to light with minimal or acceptable change.
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Liner
Component of a laminate which protects the adhesive and serves as a carrier. Easy removal of the liner prior to application of the self adhesive material is of prime importance. Also known as Release Liner or Backing Paper.
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Luminous
Emitting or reflecting light / material with glow in the dark properties.
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Machine Direction
Direction parallel to the production direction of a material.
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Material Memory
The phenomena whereby a material retains a memory of its original dimension and returns to it after tension has disappeared.
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Matrix
Face material surrounding a self-adhesive label which is usually removed after die-cutting.
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Matt
A dull, non glossy finish.
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Metallising
Process of applying a thin metal coating to a non-metallic surface either by chemical deposition or by vacuum evaporation.
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Micrometer
Instrument used to measure the thickness of a film.
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Micron
Unit of measurement of thickness. Equal to one thousandth of a millimetre.
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Migration
Movement of one or more components from one material into another, e.g. plasticiser from film to adhesive.
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Moisture Content
Amount of moisture present in a material.
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Monomeric
An economy calendered vinyl with a reduced life expectancy and conformability and subject to possible skrinkage.
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Mottle
Non-uniform colour density.
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Natural Ageing
Exposure of a material to normal environmental conditions.
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Opacity
Degree to which a material can prevent the transmission of light. Opposite of transparent.
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Orange Peel
Surface irregularity resembling an orange skin in texture.
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Overlaminate
Vinyl film applied over a graphic's surface. Transparent gloss, matt or textured overlaminating films protect print or computer cut lettering from surface damage, e.g. abrasion, and give UV resistance and improved durability.
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Pantone
Standard colour guides enabling the designer to describe colours for reproduction.
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PE
Polyethylene
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Pearlescent
A lustrous finish with a subtle two tone effect.
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Peel
Force needed to separate a pressure sensitive adhesive (PSA) after it has been applied on a substrate.
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Permanent Adhesive
Adhesive intended to stick permanently to a variety of common substrates.
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PET
Polyester
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Plasticiser
Component of plastic materials which provides flexibility.
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Polyester Liner
See Liner / Release Liner. Polyester liner provides excellent layflatness, it usually has a clear finish.
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Polymeric Vinyl
A soft calendered vinyl with a mid life expectancy, offering good conformability and low levels of shrinkage.
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Polyurethane
A flexible and elastic material that offers protection to applications.
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Pressure Sensitive Adhesive
Adhesive which forms a bond when pressure is applied, to "marry" the adhesive to a substrate.
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Printing, Screen
Process in which ink is forced onto the material to be printed through a mesh of finely woven fabric or metal. A stencil can be fixed to the mesh in order to achieve text or design.
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Profiles
A series of settings used on digitial printers to achieve the optimum print results. Each product has an individual profile setting.
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RAL
Colour coding system mainly used in paints.
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Registration
The method of correlating overlapping colors on one single image when printing a design.
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Release
Force required to separate a pressure sensitive laminate. The force varies with test conditions such as peel speed, temperature, peel angle etc.
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Release Coat
Coating applied to the backing paper which enables the paper to separate readily from pressure sensitive adhesive.
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Release Force
Force required to separate the face material of a pressure sensitive adhesive from it's protective liner.
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Release Liner
Component of a laminate which protects the adhesive and serves as a carrier. Easy removal of the release liner prior to application of the self-adhesive material is of prime importance. Also known as Backing Paper and Liner.
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Removability
Property of a self-adhesive material that describes the ability to remove the material easily from a substrate without adhesive residues.
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Rivet Test
A test to determine the conformability of vinyl.
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Satin
A vinyl face film finish that is mid way between a gloss and a matt finish.
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Self Adhesive Material
Construction consisting of a face laminate material, adhesive and backing paper.
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Semi Permanent Adhesive
Adhesive with initial tack similar to that of a permanent adhesive, but removable for up to the specified period after application.
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Service Temperature
Temperature range over which the adhesive properties of the applied label are substantially unchanged over a prolonged period of time.
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Shear Resistance
Time required for a standard area of pressure sensitive coated material to slide from a standard flat surface in a direction parallel to the surface. The test is normally carried out in the vertical position.
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Shelf Life
Period during which a product can be stored under specified conditions without deterioration to its original properties.
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Shore Resistance Test
A test that measures the resistance of a material towards indentation.
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Shrinkage
Reduction in size of a self adhesive face material.
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Single Sided PE Liner
See Liner / Release Liner. SSPE Liner offers excellent layflatness, good performance on plotters and is ideal for digital print applications.
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Slit Pattern
The size (width) and number of smaller rolls to be cut from a master (large) reel of vinyl.
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Slitter
Equipment to cut a larger reel of vinyl into smaller reels and to rewind the material into shorter reels.
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Solvent Resistance
Resistance of a pressure sensitive material to the action of specific organic liquids.
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Spectrophotometer
Instrument that measures colours and the differences between them.
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Squeegee
Flat plastic tool used during the application of self adhesive film.
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Stiffness
Property of a material which enables it to resist bending forces.
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Substrate
Material (usually paper, plastic or metal) upon which an image is reproduced.
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Surface Energy
A measurement of how receptive a surface is to ink/adhesion. A high surface energy produces excellent print results, a low surface energy could result in ink / adhesive bleeding from surface.
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Tack
Property of a pressure sensitive adhesive which causes it to adhere to a surface during conditions of low pressure and short contact.
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Tamper Proof
Property of low structural strength which results in destruction of material during attempted removal. Also see Ultra Destruct.
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Tear Strength
Measurement of the force required to tear a material under specified test conditions.
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Telescoping
Sideways sliding of the material layers in a roll, one over the other, so that the roll looks like a tunnel or a telescope.
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Tensile Strength
Force required to break a material under specific test conditions.
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Tension
Mechanical control of material in roll form between unwind and rewind stations. The condition caused by a force to extend, stretch or pull apart.
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Thickness
Distance (thickness) between the two surfaces of a paper or film. Usually expressed in micrometers, millions or thousands of an inch. Also see Caliper.
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Tie Coat
Coating applied to a face material to improve the anchorage of the adhesive, coating or ink.
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Top Coat
A surface coating to a material designed to improve ink key or opacity or prevent migration or other properties.
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Translucent
Transmission of light in a diffuse manner so that an object beyond cannot clearly be distinguished.
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Transparency
Transmission of light through a clear film.
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Ultra Destruct Vinyl
Material with a property of low structural strength which results in destruction of material during attempted removal. Also referred to as Tamper Proof.
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UV Light
Invisible light radiation which may change colour and/or properties of paper and plastics after a considerable exposure period.
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UV Stabiliser
Chemical compound which selectively absorbs UV radiation thereby preventing or delaying the change in characteristics of a plastic material or adhesive.
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Vehicle Wrapping
Covering a vehicle with self adhesive vinyl. Can be used to achieve a complete vehicle colour change, to highlight specific features or printed vinyl used as an advertising technique. Offers the vehicle surface a degree of protection.
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Vinyl (Polyvinyl Chloride or PVC)
A synthetic material also known as PVC (PolyVinyl Chloride). In addition to stable physical properties, PVC has excellent transparency, chemical resistance, long-term stability and good weatherability.
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Viscosity
Resistance to flow. It is measured by recording the time it takes to pass through a regulating hole.
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Waterproof
Condition whereby a material is unaffected by water.
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Weather Testing
Exposing of materials to actual environments in which their response on a number of key requirements is monitored. Usually the tests last for a minimum of twelve months.
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Weatherometer
Equipment designed to test and evaluate weatherability under accelerated artificial conditions.
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Quality Certificates

  • iso9001.jpg

    BS EN ISO 9001:2008

    Lloyd's Register Quality Assurance. Quality Management System BS EN ISO 9001:2008 applicable to Design and Manufacture of Self Adhesive Plastic Film.

  • iso16949.jpg

    ISO/TS 16949:2009

    Lloyd's Register Quality Assurance. Quality Management System ISO/TS 16949:2009 applicable to Design and Manufacture of Self Adhesive Plastic Film.

  • iso14001.jpg

    ISO 14001:2004

    Lloyd's Register Quality Assurance. Quality Management System ISO 14001:2004 applicable to Design and Manufacture of Self Adhesive Plastic Film.

  • D 14.15 ROHS Statement v 02 PDF.pdf

    ROHS Compliance - Issue 2

    RoHS Compliance Certificate To the best of our knowledge, all of the products currently produced by Kay Premium Marking Films Limited comply with the requirements of the European Union Directive 2011/65/EU on the restriction of the use of recognised hazardous substances in electrical and electronic equipment, also known as “RoHS".

  • REACH SVHC Statement.pdf

    REACH - Article 33

    Article 33 of REACH Regulation