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  2. test type
  3. loop tack

Loop tack

The ‘loop’ tack value of a pressure sensitive material is expressed as the force required to separate, at a specified speed, a loop of material (adhesive outermost) which has been brought into contact with a specified area of a standard surface (usually glass or metal). An adhesive strip is formed into a loop and held within the jaws of a tensile tester.

It is then compressed onto the standard surface until it makes full contact over a specified area (typically 25mm x 25mm). It is then pulled off the surface at a fixed speed to establish the tackiness.

The result is the average tension force after ignoring the initial peak and is expressed in Newtons.

Loop tack testing allows the comparison of the "initial grab" or "application tack" of different laminates and can be extremely useful to those working with automatic labelling equipment where this property is of particular importance.

Some of our customers

Featured case studies

Standards

Featured or equivalent test standards for Mecmesin solutions in this section

ASTM D6195-03

Standard Test Methods for Loop Tack

BS EN 1719

Adhesives for paper and board, packaging and disposable sanitary products. Tack measurement for pressure-sensitive adhesives. Determination of loop tack

FINAT FTM 9

Loop tack measurement

PSTC 16

Loop tack

+44 (0)1403 799979
info@mecmesin.com

PPT Group UK Ltd
t/a Mecmesin
Newton House
Spring Copse Business Park
Slinfold, West Sussex
RH13 0SZ
United Kingdom

PPT Group UK Ltd is a company registered in England and Wales, company number 414668.

Mecmesin is a PPT Group brand.

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Force testing

Systems

  • Universal testing machines
  • Large format compression testers
  • Motorised force testers

Instruments

  • Digital force gauges
  • Mechanical force gauges
  • Manual test stands
Compression test on foam sample

Materials testing

Systems

  • Universal testing machines
  • Low-force materials tester

Instruments

  • Falling dart impact testers
Tensile test on plastic material sample

Torque testing

Systems

  • Automated torque testers
  • Motorised torque testers

Instruments

  • Digital torque testers
Torque test on bottle cap

Accessories

  • Force loadcells
  • Torque sensors
  • External sensors
  • Extensometers
  • Grips and fixtures
  • Environmental chambers

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