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How to use epoxy glue without wasting the mix

Updated: 23 October 2026

You have a syringe or two tubes on the bench, and about five minutes once the resin and hardener meet. How to use epoxy glue well is the work before that moment: a clean joint, a way to hold it, and gloves that resist uncured resin. Products Compared used the amazon.co.uk listings on our [epoxy resin adhesive comparison](/hub/fillers-adhesives-and-sprays/epoxy-resin-adhesive) and the makers' published times, checked on 19 October 2026. We did not run a cure test. If you buy through our links, a qualifying purchase can earn us a commission at no extra cost to you. Mix the ratio on the pack, keep the film thin, and do not load the joint when it first feels hard.

You have a syringe or two tubes on the bench, and about five minutes once the resin and hardener meet.

Our top picks

Araldite Araldite Rapid 15 ml x 2 tubes

Best overall

Araldite Araldite Rapid 15 ml x 2 tubes
9.2/10about £7.85
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Araldite Araldite Standard 2 x 15 ml

Rank 2

Araldite Araldite Standard 2 x 15 ml
9.2/10about £7.47
View offer
Gorilla Gorilla Epoxy 25 ml (pack of 2)

Rank 3

Gorilla Gorilla Epoxy 25 ml (pack of 2)
9.4/10about £13.00
View offer
On this page
  1. 1.Before you squeeze
  2. 2.Equal parts, then a thin film
  3. 3.Support the joint, then wait for full cure
  4. 4.When to start again

Before you squeeze

Start with the joint, not the plunger. Dry the parts, take off grease, flaking paint, and loose rust, and roughen a shiny face. Araldite's FAQ is plain: a thinner joint is stronger, and grease comes off before you mix. Have the tape ready. A five-minute pack will gel in the tray if you are still hunting for a clamp. Ventilate. Reviewers mention smell on Rapid and on the WAN2TLK kit. Uncured epoxy can sensitise skin. The British Society for Cutaneous Allergy says glues such as Araldite cause allergic contact dermatitis, that nitrile changed often is the practical barrier, and that latex and neoprene do not give the same protection. The wet mix is the problem. The GB CLP sentence EUH205 says these constituents may produce an allergic reaction. For Araldite Standard the support has to last many hours. The Araldite Rapid vs Standard page compares those two clocks.

Equal parts, then a thin film

These household packs are 1:1 by volume. Gorilla says equal amounts stirred for about 20 seconds, then used within five minutes. Both Araldite tube listings say about 30 seconds. The WAN2TLK kit says 1:1 and about five minutes. A wrong ratio is not repaired by extra hardener. Discard it and start again. Tubes need two equal lengths, stirred until the colour is even. Purge air from a syringe first. Gorilla reviewers say the first push can spit. Wipe the tip, then dispense. Spread a thin film on both faces and press. Rapid's data sheet talks about a bond line around 0.05 to 0.10 mm. Avoid a thick cushion that never sees pressure. Wipe the squeeze-out while it is wet. One surface only is a superglue habit, and it is also how the 3HA bullets read. That listing does not state a mix at all.
Araldite Araldite Rapid 15 ml x 2 tubes

Testsieger

Araldite Araldite Rapid 15 ml x 2 tubes
9.2/10about £7.85
View offer

Support the joint, then wait for full cure

Feeling hard is not full strength. Rapid gives about five minutes to work, about 20 minutes of support, and full strength around two hours at 23°C. Listing B003MPEDFI says you can sand after two hours, and it states -30°C to 65°C, not the brand page's higher figure. A cold room leaves a weak joint. Gorilla asks for a five-minute set, a clamp of about 30 minutes, and 24 hours to full cure. Some reviewers found the set slower, so leave the repair unloaded overnight. Standard's tube listing states a 14-hour full cure. Reviewers use tape or putty, and one cites about 24 hours. The 80-minute repositioning time is on a syringe sheet, not on this tube. Do not borrow Rapid's two-hour sanding claim for Standard, and do not treat 24 hours as every epoxy's clock. The clamp time does not shrink because the part is metal.

When to start again

Stop if the ratio was wrong, if the mix never went smooth, or if the bead gelled in the pot. That gel will not bond. Cold, grease, and a thick blob are the other repeats. A fast pack that is still tacky the next day, in a warm room, is a failed mix or a greasy surface. Clean it off and mix a fresh equal batch. Do not wipe uncured epoxy off skin with solvent. Bostik says not to use solvents on skin. Use nitrile first, soap and water if it is already on you, and take a spreading rash seriously. Ventilate when you sand Rapid after two hours, because cured dust is a separate irritant. Call a professional when the part is safety-critical, when you need a documented food-contact adhesive, or when the joint is a rear-view mirror.

Common questions

Do I mix by eye?
Match equal lengths from twin tubes, or equal pushes from a syringe once both sides are flowing, then stir until the colour is even. Gorilla's listing says about 20 seconds. The Araldite tube listings say about 30 seconds. A rough puddle of mostly hardener will not catch up later.
Should the glue go on one surface or both?
Put a thin film on both faces of a broken joint, press until a little squeezes out, and support it. A one-surface wipe is how the weak 3HA bullets read, and it is not the method on the Araldite or Gorilla instructions used here.
What if it is still tacky tomorrow?
Treat a tacky fast-cure joint, in a warm room, as a failed mix or a greasy surface. Remove it, clean and key again, and mix a fresh equal batch. Do not try to rescue it with extra hardener on top.
Are kitchen gloves enough?
Use nitrile, and change them if they are smeared. The British Society for Cutaneous Allergy says latex and neoprene do not protect against epoxy resin the way nitrile does. Uncured resin is the sensitiser. A cured joint is a different situation.
Can I do this in a cold garage?
You can get a poor set. Rapid's data sheet says cold leaves a weak joint. A Standard reviewer saw an outdoor winter repair fail to set until the work was warm. Gorilla's UK page gives an application range of 10°C to 37°C. Bring the parts indoors, or wait for a milder day.

Related pages

Epoxy resin adhesive buying guide

Epoxy glue for metal

Epoxy resin adhesive

Araldite Rapid vs Standard: speed or time to align

Best 2 part epoxy adhesive for household UK repairs

Sources

Public UK sources used for this comparison. amazon.co.uk prices, stars and review counts were taken from the listings on 19 October 2026.

  1. GB CLP, EUH205 label sentence (retrieved 19 October 2026)
  2. HSE COSHH skin duties (retrieved 19 October 2026)
  3. HSE RR79, sensitisation from uncured epoxy (retrieved 19 October 2026)
  4. Gorilla Epoxy UK product page (retrieved 19 October 2026)
  5. Gorilla on glue drying on wood (retrieved 19 October 2026)
  6. Araldite Rapid technical data sheet (retrieved 19 October 2026)
  7. Araldite Standard syringe trade note (retrieved 19 October 2026)
  8. Consumer Rights Act 2015 (retrieved 19 October 2026)