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adhesive

Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation.The use of adhesives offers certain advantages over other binding techniques such as sewing, mechanical fastenings, or welding. These include the ability to bind different materials together, the more efficient distribution of stress across a joint, the cost-effectiveness of an easily mechanized process, and greater flexibility in design. Disadvantages of adhesive use include decreased stability at high temperatures, relative weakness in bonding large objects with a small bonding surface area, and greater difficulty in separating objects during testing. Adhesives are typically organized by the method of adhesion followed by reactive or non-reactive, a term which refers to whether the adhesive chemically reacts in order to harden. Alternatively, they can be organized either by their starting physical phase or whether their raw stock is of natural or synthetic origin.
Adhesives may be found naturally or produced synthetically. The earliest human use of adhesive-like substances was approximately 200,000 years ago, when Neanderthals produced tar from the dry distillation of birch bark for use in binding stone tools to wooden handles. The first references to adhesives in literature appeared in approximately 2000 BC. The Greeks and Romans made great contributions to the development of adhesives. In Europe, glue was not widely used until the period AD 1500–1700. From then until the 1900s increases in adhesive use and discovery were relatively gradual. Only since the last century has the development of synthetic adhesives accelerated rapidly, and innovation in the field continues to the present.

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  1. D

    How deep can adhesive cover a gap?

    Hi I have replaced a concealed shower and the new one and all works well. I have covered the hole I made, to remove the old valves with tile backer board which is 10mm, a little slimmer than the 12mm plasterboard used previously. I seem to have a deeper level behind the tile than before and...
  2. S

    Recommend adhesive for drain pipe please

    I know this is a bodge but the previously 'glued' repair has held for 12 years. This was originally installed by a large gas company when installing a new boiler, it is the condensate drain pipe which is connected via the elbow to the kitchen sink waste pipe (below floor): Yes, it was just...
  3. king of pipes

    Mapie super flexible tile adhesive

    Anyone involved in tiling a bathroom won't go far wrong using this adhesive , it's easy to mix with the power mixer, stays useable in the bucket a good six hours , its a little grainy so you need to work cleanly but has great flexibility adheres well to the tile and wall and is really easy to...
  4. gmartine

    CT1 filler adhesive

    I'm looking for a quality robust sealant between rubber bathroom flooring and sanitary ware as well as gap filling between floor and skirting, it's not a wet room but needs to go off hardish and be easy to clean. Does CT1 fit the bill?
  5. GrumpyGrampa

    Applying tile adhesive

    Hi, I'm retired, not a plumber but a keen DIYer. I occasionally help a mate who is a one man band - he is a qualified sparky and has taught himself domestic plumbing. His main line of work is refurbishing bathrooms and I labour to him for a couple of days. We constantly disagree about...
  6. H

    Silicone with an adhesive and mould resistance

    It looks like I can't get the lovely soudal silirub+ I've used for 10 years without 1 callback on failing or mouldy seals. What do you all use as a great all round silicone? Am looking at Dow 785 I really like it's adhesive qualities (though my tiler hates it when trying to get the stuff...
  7. R

    Which adhesive and/or sealant would you say is the best?

    The question is in the title.
  8. M

    Dry wall adhesive corrosive to copper?

    Is dry wall adhesive corrosive to copper pipe?
  9. Eyespy999

    Grab adhesive

    Hi, Planning to help a mate with a bath install I will be bonding the edge of the bath onto tiles as it was an old wet room, can anyone recommend an adhesive that will keep the bath stuck for good?! Any help appreciated, regards
  10. T

    Fixing resin shower trays

    How do u fix a resin tray? I morter bed it myself or silicon it down. Keep toying with the idea of flexible tile adhesive.
  11. M

    Fitting shower tray on floor boards

    Hey if fitting a shower tray on sand and cement is it ok to fit it straight on to the floor boards? As long as there isn't much movement in the floorboards.
  12. M

    tiles cracking with underfloor heating

    Just had a call from a cust who is having this problem? Could it be the wrong grout used? Water running too hot or screed all wrong? What can I look out for and what can be done about it? Apart from taking all up and starting again?
  13. M

    Wobbly Toilet !

    I recently installed a new close-coupled toilet which, despite my attempts to prevent it, wobbles. The customer laid a new floor which is not level and the pan has a long narrow base. When I installed the toilet I used some plastic shims to stop the pan wobbling, secured it to the floor with...
  14. W

    self adhesive plastic dust sheets

    hi all i got a job coming up and the customer has nice cream carpets, i usually use dust sheets but half the time they end up getting screwed up and they become in the way or you lose tools under them. looking at the self adhesive plastic rolls i would want it for the hall way, on the stairs...
  15. T

    tiling around a new shower installation

    Not sure if this is in the corrtect forum but when tiling around a new shower installation what is the difference between applying cement to the back of the tile or to the wall? The cement I have says apply it to the wall and not the tile. Does it really make a difference? Regards
  16. D

    How do you get floor tile adhesive off?

    Hello all. Just wondering if anyone could let me a know a good way to get floor tile adhesive/grout in one off tiles? Thanks very much Dan :)
  17. M

    fire surround

    what do you guys use for sticking marble back to wall and what do you use to seel around marble edge of builders opening/? looking for peoples preferred method:smile5:
  18. K

    solvent weld adhesive

    what kind of solvent weld adhesive do you guys use? i've been using polypipe stuff but the on each pot i use the brush bristles go all bendy and its nigh on impossible to use more than 2/3 of the tub cos it won't get anywhere near the bottom. anybody use another brand with better results...
  19. Dan

    ContractorForum: Tiling on existing ceramic floor tile adhesive: Have just lifted cer

    ContractorForum: Tiling on existing ceramic floor tile adhesive: Have just lifted ceramic floor tiles from the bathroom prior to.. http://bit.ly/8YHHHp More... Follow us on Twitter.
  20. Dan

    ContractorForum: +12 month old adhesive: Morning Gents I keep popping on here for adv

    ContractorForum: +12 month old adhesive: Morning Gents I keep popping on here for advice on my ensuite job. I stripped out the .. http://bit.ly/8sYKLA More... Follow us on Twitter.
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