Low viscosity 100% clear 2-part epoxy

[Rowan Sylvester-BradleyParticipant @rowansylvester-bradley37244]

I'm looking for a low viscosity 100% clear 2-part epoxy in a double syringe, with not too fast setting time. I need it to repair cracks in some china items, so it needs to flow well into the crack before starting to set. Can you recommend a product that will do this?

Thank you – Rowan

[Rowan Sylvester-BradleyParticipant @rowansylvester-bradley37244]

[Norman BillinghamParticipant @normanbillingham91454]

No direct personal experience, but Fynebond, Hxtal NYL-1, Epotek 301-2 and Araldite 2020 are all used by ceramic restorers. Hxtal NYL-1 was used to repair the Portland vase so should be good enough for most purposes. I'm not sure if any of them comes in a double syringe though – it's usually better to mix by weight than volume.

[DC31kParticipant @dc31k]

I think the low viscosity requirement is directly contradictory to the syringe dispensation method.

There is a luthier on YT, twoodford, who uses a suction cup (like you would see on a soap holder that sticks to your bathroom tiles) to massage adhesive into cracked guitars.

[pgk pgkParticipant @pgkpgk17461]

Not what was asked but I’d be tempted to try one of the clear light-set glues which might be drawn in via a fine wire or thin hypodermic needle and can be built up in layers.
Perhaps this sort of thing: ebay
My experience with such items was with dental work using way more expensive kits so this isn't a direct endorsement of the product link but such products have been around for a long time now so i see no reason why it shouldn't work. The lining product I used was as thin as water (after etching enamel with phosphoric acid paste) and then adding layers of colour-matched pastes to complete the fillings.

pgk

[Dave SParticipant @daves59043]

Try here:

**LINK**

Dave

[HuubParticipant @huub]

I use Bison Epoxy for these jobs

Link

[BrevaParticipant @breva]

A de-soldering pump fitted with a soft rubber hose fitted on the nozzle ( to give a good seal against the surface) gives a quick short vacuum and can help to suck glue into a crack.

[Joseph Noci 1Participant @josephnoci1]

Try Smooth cast products – maybe from benam.co.uk –

Kristal 6 or 30 ( epoxy based)

Kristal

Crystal Clear 20x series ( urethane based)

Crystal Clear

Both yellow in direct sun with long exposure, both remain clear for 5 years so far indoors.

The urethane is easier to use.

How will you keep a low viscosity material in the crack? A fast cure would assist, but the requirements are contradictory – all the epoxies/urethanes I find tend to have long(er) cure times for low visc. types – fast cure types also shrink more, and have higher viscosity.

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