Non-specialist question stemming from standing in front of a dizzying aisle of consumer adhesives... These differentiate themselves via meaningless superlatives like "serious", "extra" and "ultra". I just wanted to know suitability-for-different-materials and some quantitative measure of "stickiness" :)

Update: Could there be a consumer rating system for glue - based on existing professional testing standards? (Note a rating system doesn't have to be a single numeric measurement in scientific units so can include any scaling/grouping function and include material classfications etc)

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    $\begingroup$ I recall there being two factors for glue: adhesion (stickiness to another material) and cohesion (stickiness to itself). The former factor will vary wildly with the material (consider: "remove grease before applying glue"). The tests would be specific to the material combinations and probably measure the force at which failure of the glue happens. $\endgroup$
    – TAR86
    Mar 20, 2019 at 20:07
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    $\begingroup$ ASTM certainly has a range of standards for adhesion and adhesive testing. $\endgroup$
    – Jon Custer
    Mar 21, 2019 at 13:12
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    $\begingroup$ @JonCuster Well, ASTM offers a whole series of documents about glues if alone searching for "adhesives" (astm.org/Standards/adhesive-standards.html) including quantificative comparative assessments (e.g. astm.org/Standards/D5649.htm states "inch-pound units" in its preview as standard unit). Given the multiple materials (paper, wood, polymers, metals, biomaterials, etc. pp.) and applications possible, a rather broad question indeed. $\endgroup$
    – Buttonwood
    Mar 21, 2019 at 22:42


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