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Thermo gel is a green paste used to protect areas you don't want to be heated during soldering. It is especially good if you are repairing jewellery containing gemstones which could be damaged by the heat or very complicated soldering jobs with multiple solder joints close together where there is a risk of melting earlier joins.
Apply a generous amount of thermo gel over the area you wish to be protected and any soldering can be carried out as normal, with soldering times and temperatures remaining the same.
Once you have finished soldering, some of the gel will become dark and crusty. Simply remove this part and put the rest of the gel back in the pot to reuse for another project.
Yes - thermo gel is non toxic, non flammable and has minimal fumes.
Andrew Berry is an award winning jeweller, founder of At The Bench offering brilliant training and jewellery tutorials. Andrew regularly uploads tutorials on his YouTube channel, sharing tools, techniques and vlogs too. Take a look at these brilliant videos below, where he shows you how you can use thermo gel and why he thinks it's an essential product to have in your workshop.
As Andrew states, do not try this at home!
This video shows you how thermo gel is the ultimate heat barrier and why it's so popular - Andrew smears the gel over his hand while gold is melted in his hand and he doesn't feel the slightest bit of heat...
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