CJResins

Resin for jewellery and craft
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Frequently Asked Questions

We hope that this page will answer your questions- let us know if there is something missing click here- Contact Us

Where is the best place to put resin to cure?

The best place is somewhere level, dry, warm (but not more than 35degrees C) and dust free.

The resin is not setting properly- it is still tacky- what's gone wrong?

You haven't measured out the resin -2 parts by weight- to the hardener- 1 part by weight- accurately enough. Also try putting it somewhere warm and dry to cure.

Can I solder something after I have put resin in it?

No, because the resin will burn away with the heat. Resin must be the last technique, after all soldering is done.

How do I clean unwanted resin out of a piece?

If it is a spill on the side of a metal piece, it can be peeled off carefully. If you want to remove all the resin , soak it in paint stripper overnight VERY CAREFULLY. Paint stripper is a dangerous acid so BEWARE.

Do I really need digital scales?

We recommend them, so that you get an accurate measuring of 2 parts resin to 1 part hardener by weight.

Why aren't my digital scales working?

Have you taken the little round silver tray off the top? Are the batteries flat? Also they work best on a level and steady surface.

When I use the digital scales, why do they turn themselves off after a while?

They will turn themselves off, if you are working slowly as they have a battery saving mechanism. Try measuring out faster or gently tap the weighing plate to 'wake up' the scales.

What is the difference between Resin 1 and Resin 2?

Resin 1 is more viscous and has an optical brightener to make it appear clearer.It is ideal for adding a final domed layer on pieces as it will keep a good high dome due to the surface tension. Resin 2 is slightly thinner and so is good for casting and enamelling. It will mix with all the other resins as it uses the same hardener.

Please note that Hardener 1 and Hardener 2 are not interchangeable.

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Can I use resin on a domed surface?

Yes, if you use thixotropic resin (also known as gel resin). The other resins will 'slide' off a domed surface.

Can I use resin on wood, polymer clay, glass, stainless steel or precious metal clay?

Resin can be used on many things as long as they are dry. Wood needs to be dry and there is a danger that it might absorb moisture and move. Surfaces need to be grease free before applying resin to make sure it grips. We suggest you use an abrasive on things like polymer clay to give a 'key' for the resin to grip. Glass should be cleaned with an abrasive bathroom cleaner, rinsed and dried with a soft lint free cloth before resin is put on it.

Do I need to prepare paper before embedding it in resin? What about fabric?

It is best to print out images and text on good quality photo paper and then seal both sides with hairspray. Fabric does not need sealing. Both fabric and paper will need to be glued down before resin is put over it otherwise they will float to the surface.

What can I do to prevent air bubbles in resin?

Pass a gentle flame over the surface of unset resin - the bubbles will rise to the top and pop.

I have put a thumbprint in the resin before it was set- what can I do?

Coat the resin with another thin layer of resin and the thumbprint will disappear.

Can I mix the resins and can the colour pastes be mixed together?

Yes, all the resins are intermixable. The colour pastes can also be mixed rather like paint can be mixed, to get different colours.

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I want to embed a large object in a block of resin - what is the best way?

Let a layer of resin set and then add the object. Build up the resin in layers.

How much resin mix do I need to make a pendant?

The 30mm x 40mm pendant will need 3gms of resin mix- that is 2gms of resin and 1 gm of hardener.

Do I need a release agent with the silicone moulds?

No- follow the instructions about keeping the mould clean and you won't need a release agent.

How can I bring back a shiny surface on resin that has been scratched or dulled?

Add another thin layer of clear resin over the top. Make sure that you don't spray a finished piece with chemicals such as hairspray or perfume which may attack the finish of resin.

Why has the clear resin piece I made turned yellow?

Make sure the hardener tin or bottle is kept sealed and that the lids are cleaned after use. Sunlight affects the hardener and turns it yellow. Don't cure the resin at too high a temperature. Measure the resin (2 parts) and the hardener (1 part) accurately.

What glues can I use on a resin piece?

Use an epoxy glue. Never, ever use Super Glue.

Do I need to wear gloves and a mask when I work with resin?

They are not necessary when mixing the resin - wear a barrier cream to protect your skin. However, if you use an abrasive paper or drill resin, wear a mask to avoid breathing resin dust.

What is aqueous cleaner for?

It is for cleaning tools and moulds that have a build up of resin. It can be diluted 50/50 with water.

How can I make a piece with see through resin?

This is a complex process and we suggest you attend one of Clare's classes.

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