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Glossary
Our glossary
Glossary of technical termsIn this area you will find definitions of technical terms.
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Abrasion Resistance
The ability of a tape to withstand rubbing and friction and still function satisfactorily.Abrasion resistance
The ability of a tape to resist friction and still function satisfactorily.Accelarated Ageing
A means whereby the deterioration of a tape may be accelerated in the laboratoryAccelerated ageing
A test that can be used to accelerate the ageing of an adhesive tape in the laboratoryAcrylic Polymer
A synthetic polymer with excellent ageing characteristics that can be used either as a single component adhesive or a coating or a saturant, depending upon compositionAcrylic polymer
A synthetic polymer with excellent ageing properties that can be used either as a one-component adhesive or as a coating or impregnating agent, depending on its compositionAdhesion
The state in which two surfaces are held together by interfacial forcesAdhesion Build Up
An increase in the adhesion value of a pressure sensitive tape after it has been allowed to dwell on the substrateAdhesion promoter
See primerAdhesion to backing
The force required to remove a tape ( in the same manner as peel adhesion ) from its own backing to which it has been reapplied with a definite pressure after being removed from the rollAdhesive Failure
Failure of an adhesive bond so that the separation is at the interface of adhesive and substrate and no residue is left on the substrateAdhesive failure
Failure of an adhesive bond so that separation occurs at the interface between the adhesive and the backing material and no residue remains on the backing material.Adhesive Residue
See Adhesive DepositAdhesive residues
See adhesive transferAdhesive strength
The state in which two surfaces are held together by interfacial forcesAdhesive strength build-up
An increase in the adhesion value of a pressure-sensitive adhesive tape after it has been applied to the substrateAdhesive strength on the back of the tape
The force required to remove a tape (in the same way as peel adhesion) from its own backing material to which it has been reapplied after being peeled from the roll at a given pressure.Adhesive Transfer
Adhesive which is pulled away from the tape on removal and remains on the substrateAdhesive transfer
Adhesive that is removed from the adhesive tape when it is peeled off and remains on the backing material.Backing
The flexible supporting film, fabric, foil, or paper to which a pressure sensitive adhesive is appliedBleeding
See MigrationBleeding
See MigrationBreaking Strength
The force required to break a unit width of tape under prescribed conditionsBreaking strength
The force required to tear a tape under prescribed conditions.Caliper
See ThicknessCalipers
See thicknessCarrier
The base material onto which a pressure sensitive adhesive is applied, on both faces, to produce a double-sided tapeCarrier
see carrierCohesion
The ability of an adhesive to resist splittingCohesion
The internal strength of an adhesiveCohesion failure
Failure of an adhesive bond so that separation occurs within the adhesiveCohesive Failure
Failure of an adhesive bond such that the separation is within the adhesiveCohesive Strength
As CohesionCohesive strength
See cohesionColor
Usually describes the color of an adhesive tape when looking at the back, regardless of the color of the adhesiveColour
Usually describes the colour of a tape when looking at the backing, regardless of the colour of the adhesiveConditioning
The process of subjecting material to specific temperatures and relative humidity conditions for a defined period of timeConditioning
The process of exposing material to specific temperatures and relative humidity conditions for a specified period of timeCore
The inner cardboard or plastic cylinder on which the tape is woundCreped Paper
Paper having small regular folds to give higher elongation than a flat back paper of the same weightCreped paper
Paper with small regular folds to achieve a higher elongation than a paper with a flat back of the same weightCrimping
The tendency of a tape to unwind when it is unwound and left hanging from the rollCross-Linking
The development of a three-dimensional structure within an adhesive to improve cohesive strength, temperature, oil or solvent resistanceCurling
The tendency of a tape to curl back on itself when unwound and allowed to hang from the rollCurvature
See telescopingDelamination
A splitting of the backing or carrier into two distinct layersDelamination
Splitting the carrier material into two different layersDishing
See TelescopingDouble Sided
See Double CoatedDouble-sided adhesive tape
An adhesive tape which is coated with adhesive on both sidesEdge corrugation
Lifting the outer edge of an adhesive tape after applicationEdge Curl
The peeling back or lifting of the outer edge of a tape after applicationElastic Memory
A tendency of some tape backings to attempt to return to their original length after becoming elongatedElastic memory
The tendency of some adhesive tape carriers to return to their original length after being extendedElectrical Strength
The voltage at which breakdown of the tape occurs under the prescribed testing conditions divided by the distance of the two electrodes between which the voltage is appliedElectrical strength
The voltage at which a breakdown of the tape occurs under the prescribed test conditions, divided by the distance between the two electrodes between which the voltage is applied.Elongation at Break
The amount a tape has stretched lengthwise at the point of breaking. It is expressed as a percentage of the original unstretched lengthElongation at break
The amount by which a tape has stretched longitudinally at the break point. It is expressed as a percentage of the original, unstretched length. Filaments
Thin longitudinal threads of glass, polyester, Nylon or other high strength materialsFilaments
Thin longitudinal threads made of glass, polyester, nylon or other high-strength materialsFilm
Uniform, homogeneous, non-fibrous synthetic websFlagging
A peeling away from the surface or tape backing of the end of a length of tape, particularly in a spiral wrapped applicationFlagging
Removal of the tape end at the end of the winding after processing the adhesive tapeFlame Resistance
The ability of a tape to withstand exposure to flame, fireproof materials will not burn when exposed to flame flame resistant ( fire retardant, self extinguishing ) Materials will burn when exposed to flame but not continue to burn after the flame is removedFlame resistance
The ability of a tape to withstand flames. Fire-resistant materials do not burn when exposed to flames. Flame-resistant (fire-retardant, self-extinguishing) materials will burn when exposed to flames, but will not continue to burn after the flame has been removed Flexibility
The ability of a tape to be freely bent or flexed during application, particularly applicable in low temperature useFlexibility
The ability of a tape to be freely bent or flexed during applicationFoam
A soft cushion material formed by creating bubbles in base materials, such as natural or synthetic rubbers, or other elastomeric materialsFoam
A soft cushioning material created by the formation of bubbles in base materials such as natural or synthetic rubber or other elastomer materialsGapping
Opening between layers of tape in a rollGapping
Gaps between the adhesive tape layers of a rollGauge
See ThicknessGloss
The measure of the reflectiveness of a tape backing, generally expressed by such terms as glossy, low gloss dull, etc. A more specific definition is on the Gardner scale which measures absorption of light reflected from a beam with a stated angle of incidenceGloss
The measure of the reflectivity of an adhesive tape backing, generally expressed by terms such as glossy, low gloss, matt, etc. A more specific definition can be found on the Gardner scale, which measures the absorption of light emitted from a beam with a specified angle of incidenceHeat resistance
The ability of a tape to withstand a specified temperatureHeat resistance
The ability of a tape to withstand a certain temperatureHigh Speed Unwind
Unwinding or dispensing of tapes at a relatively high speed, usually over 15 metres per minuteHolding force
The ability of the adhesive to withstand forces exerted in the same plane as the tape Holding Power
The ability of the adhesive to resist forces applied in the same plane as the tapeHot melt adhesive
A pressure-sensitive adhesive that is applied to the substrate in hot, molten form and forms a conventional pressure-sensitive adhesive when it cools.Hot melt Pressure Sensitive Adhesive
A pressure sensitive adhesive applied to the backing in a hot molten form which cools to form a conventional pressure sensitive adhesiveImpact resistance
See impact resistanceInner bond
See cohesionInsulating Tape
Tapes used for electrical insulationInsulating tape
Tapes for electrical insulationInsulation Resistance
The ability of a tape to prevent the flow of a current across the surface of the backingInsulation resistance
The ability of a tape to prevent the flow of current across the surface of the carrier.Interliner
See Release LinerInterliner
See release linerInternal Bond
As CohesionLabel material
Pressure-sensitive materials that are normally printed, often die-cut, supplied in roll or sheet form with interleaving and intended for use as labels.Label Stock
Pressure sensitive materials which are usually printed, frequently die-cut, furnished in roll or sheet form with an interleave, and intended for use as labelsLaminate, Lamination
Combinations of two or more materials which function as one backing e. g Polyurethane foam and polyester filmLaminate, lamination
Combinations of two or more materials acting as a carrier, e.g. g polyurethane foam and polyester filmLifting
Occurs when sections of tape loses contact with the surface to which the tape is appliedLiner
See Release LinerLiner
See release linerMetal Foil
Thin flexible sheets of metal such as aluminium or lead used as tape backingsMetal foil
Thin, flexible metal plates such as aluminum or lead, which are used as adhesive tape carriersMigration
The movement over a period of time, of an ingredient from one component to another when the two are in surface contact. May occur between tape components or between a tape and the substrateMigration
The movement of a component from one component to another over a period of time when the two are in surface contact. Can occur between belt components or between a tape and the substrate Networking
The development of a three-dimensional structure within an adhesive to improve cohesive strength, temperature, oil or solvent resistanceOff Core
Layers of tape are in correct alignment, but tape is displaced sideways on coreOffset
The movement of a component of an adhesive tape, usually the adhesive, from its proper location to another position. This transfer can occur when unwinding the tape or when removing the tape from the substrate. Offsetting
The movement of a component of a tape, usually the adhesive, from its proper place to some other position. This transfer may occur during unwinding of the tape, or on removal of the tape from the substrateOne-sided
The adhesive is only applied to one surface of the carrierOpen Side (Adhesive)
That surface of the adhesive on a double sided tape which is exposed on normal unwinding or separationOpen side (adhesive)
The surface of the adhesive on a double-sided adhesive tape that is exposed during normal unwinding or cutting.Open Side (Liner)
Is that surface of a release liner which is exposed on normal unwinding or separationOpen side (liner)
Is the surface of a release liner that is exposed during normal unwinding or cutting.Peel Adhesion
The force required to peel a strip of tape from a substrate at a specified angle and speedPeel-off adhesion
The force required to remove a strip of adhesive tape from a substrate at a specific angle and speedPermanent Adhesive
An adhesive that has been designed to remain permanently in position under the specified service ConditionsPermanent adhesive
An adhesive designed to remain permanently in place under the specified operating conditionsPlasticised Polyvinylchloride
A tough durable plastic film having excellent resistance to oils, chemicals and many solvents. It can also be coloured. Its high stretch is due to the addition of a plasticizerPlasticized polyvinyl chloride
A robust, durable plastic film with excellent resistance to oils, chemicals and many solvents. It can also be dyed. Its high elasticity is due to the addition of a plasticizer. Polyester
A strong film having good resistance to moisture, solvents, oils, caustics and many other chemicals. It is usually transparentPolyester
A material that is often used in carrier materials for adhesive tapes. Can be used as fabric, fleece or film. Polyethlene
A tough, stretchy film having very good low temperature characteristicsPolyethylene
A robust, stretchable film with very good low-temperature propertiesPolypropylene
A similar film to polyethylene, but stronger and having a higher temperature resistancePolypropylene
A similar film to polyethylene, but stronger and more temperature-resistantPressure Sensitive Adhesive
A type of adhesive, which is permanently tacky at room temperature and when applied to a variety of surfaces,forms an immediate bond. The bond strength may increase by pressure with timePressure sensitive adhesive
A term used to describe a category of tapes coated on one or both sides with a pressure sensitive adhesive. It is permanently tacky at room temperature and does not need to be activated by water, solvents or heat to adhere to a variety of different surfaces on contact. The bond strength can be increased by pressure and/or time.Pressure Sensitive Tape
A term used to describe a category of tape coated on one or both faces with a pressure sensitive adhesive. It is permanently tacky at room temperature and requires no activation by water, solvent or heat to adhere to a variety of dissimilar surfaces upon contact. in some cases the adhesive may be further cured by heating after application. The bond strength may be increased by pressure and/or timeQuick Stick
See TackQuick Stick
See TackReinforcement
A material which strengthens the backing and/or the adhesiveReinforcement
A material that reinforces the carrier material and/or the adhesiveRelease film
A removable material that protects the adhesive surface(s)Release Liner
A removable material which protects the adhesive face or facesRemovable Adhesive
An adhesive that has been designed to allow subsequent removal, without damaging or contaminating the substrate under specified conditionsRemovable adhesive
An adhesive that has been designed so that it can be subsequently removed under certain conditions without damaging or contaminating the substrate.Removal
The act of pulling tape away from the substrateReplacement
Removing the adhesive tape from the substrate.Resistance to Acids, Alkalies
The ability of a tape to resist exposure to such conditions after application and to perform satisfactorilyResistance to acids and bases
The ability of an adhesive tape to withstand such conditions after application and to function satisfactorily.Resistance to Oils, Grease, etc
The ability of a tape to resist exposure to such conditions after application, and to perform satisfactorilyResistance to oils, greases, etc.
The ability of an adhesive tape to withstand such conditions. to withstand such conditions after application and to function satisfactorily Resistance to Weather. Solvents
The ability of tape to resist exposures to such conditions after application and perform satisfactorilyRoll-off force
The force required to unwind the tape from the roll under specified conditions.Shear Adhesion
See Holding PowerShear liability
See holding forceShock Resistance
See Impact ResistanceShrinkage
Reduction in any dimension of a tapeShrinkage
Reduction of any dimension of a tapeSingle Faced
The adhesive is applied to one surface of the backing onlySleeve
The inner cardboard or plastic cylinder on which the tape is woundSleeve offset
The layers of adhesive tape are correctly aligned, but the adhesive tape is shifted sideways on the core.Slide
Uniform, homogeneous, non-fibrous synthetic websStickiness
The property of an adhesive tape to create an immediate bond with measurable force when the adhesive comes into contact with a substrate without external pressure.Stiffness
The measure of a tapes flexibility and conformabilityStiffness
The measure of the flexibility and adaptability of a tapeStorage Stability
The ability of a tape to retain a specified level of its original properties after defined conditions of storageStorage stability
The ability of a tape to retain a certain degree of its original properties after defined storage conditionsSubstrate
The surface to which a pressure sensitive tape is appliedSubstrate
The surface to which a pressure-sensitive tape is appliedTack
The property of an adhesive tape that causes an instant bond, with measurable force, during the contact of the adhesive and a substrate without externally applied pressureTake off
Occurs when sections of the tape lose contact with the surface to which the tape is appliedTear Resistance
The ability of a tape to resist tearingTear resistance
The ability of an adhesive tape to resist tearing.Telescoping
Describes the shape of a roll of tape which has changed from being flat to become conical or dish-shapedTelescoping
Describes the shape of an adhesive tape roll that has changed from a flat to a conical or plate-shaped form.Tensile Strength
The force required to break unit cross section area of the tape. It is a property of the material which is independent of the thickness of the sampleTensile strength
The force required to tear the cross-sectional area of the tape. This is a property of the material that is independent of the thickness of the sample. Thermoplastic
Softens on heating. Reverts to original state when cooled. This process may be repeatedThermoplastic
Becomes softer when heated. Returns to its original state when cooled. This process can be repeated. Thermoset
Becomes firmer when heated and remains firmer when cooled. The heat curing of the adhesive improves the solvent resistance and increases the softening temperature. Thermosetting
Becomes firmer on heating and remains so on cooling. thermosetting of adhesive improves solvent resistance and increases softening temperatureThickness
The perpendicular distance between the two opposite surfaces of a complete tapeThickness
The vertical distance between the two opposite surfaces of a complete tape.Tie Coat
See Prime CoatTransfer
See OffsettingTransfer
See offsetTransfer ribbon
A tape with two pressure-sensitive surfaces without backing, which may or may not contain reinforcing fibers, and with a release liner separating the adhesive surfaces.Transfer Tape
A tape having two pressure sensitive surfaces without the need for a carrier, which may or may not have reinforcing fibres in it and with a release liner separating the adhesive surfacesTransparent
The ability of a tape to allow the transmission of light.a tape is rated as transparent if 10 point type can be easily read when the tape is applied directly over itTransparent
The ability of a tape to transmit light.Unwind force
The force required to remove the tape from the roll under prescribed conditionsUnwinding at high speed
Unwinding or dispensing tapes at relatively high speeds, usually over 15 meters per minuteWeather resistance. Solvent
The ability of the tape to withstand such conditions after application and to function satisfactorily
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