Where To Buy Patina in China

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Where To Buy Patina in China

by songhui
(Zhengzhou, China)

Dear Teacher:

I am from China, a lover for stained glass. I really want to make stained glass in China, but I find I really can't buy patina in China, so can you help me to buy patina in your country or tell me where can I buy it in your country or our country.

thanks

best regards

yours

Song Hui

Hello Song Hui,

Contact Shanghi Unimix Tools and see if they can tell you where to get supplies in China. They manufacture stained glass tools and they should know where you could buy supplies in China.

If you want copper patina, you can make your own using copper sulphate crystals mixed with water. Copper sulphate is used to control algae in farm ponds and it is also used in water beds for the same purpose. It might be available in China. If you do find it, contact me and I'll give you more specifics on how to make patina.

Here are several stained glass supply places in the USA that carry patina, but I don't know if they will be able to export it to China, due to the fact that it is a chemical:
Sunshine Glassworks
Delphi Glass
This place is in Australia:
Finn's Glass

I hope this information will help you.

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Where To Buy Patina in China

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Mar 11, 2009

black patina
by: Song Hui

Dear Sue:

Your website is really very good, every day I like to visit it. thank you for your giving so much help to so many people.

According to your guide, I have made copper patina, and it is very useful, thank you very much.
During my making for stained glass, I find some black patina is very useful to some of my stained glass, so can you tell me how to make black patina.

thanks a lot again

best regards

yours

Song Hui

Answer
Hi Song Hui,

I do not if there is a way to make black patina for copper foil. There might be a chemical that you would add to the copper sulphare solution, but I honestly don't know. Perhaps someone reading this will be able to give an answer.

Dec 03, 2008

Thanks
by: Song Hui

Dear Sue:

Thank you very much for your help, now I have can made Patina according to your guide. I really very excited when I first saw the copper color made by the patina.

Dear Sue, the famous Shaolin Monastery is in our city, when you come to China don't forget me, I will show you around this famous place, and if you need me to do something in China, please tell me, I will be very glad to do something for you.

thanks again

yours

Song Hui

Dec 01, 2008

Patina
by: Song Hui

Dear Sue:

Thank you very much for your guide, I will it in China now, once I make it well I will tell you the good news.

best regards

yours

Song Hui

Dec 01, 2008

How to Use Copper Sulphate Crystals
by: Sue

Hi Song,

Here's a short tutorial on Mixing Copper Sulfate Crystals:

The first time you mix up the solution is a bit like doing an experiment. Once you get the
proportions correct, mixing up more will be quick and easy. Be sure to write down the amounts of water and copper sulphate crystals you use as you are experimenting.

The reason it takes experimenting is the fact the water contains different elements from one place to another. Those elements, like iron and sulpher, cause different chemical reactions with the copper sulphate crystals. Therefore, there isn't be a standard measurement for making the
solution. One way to get around the problem is to use distilled water, but it's not necessary if you are willing to experiment a bit.

Here's how to figure out the right amount of crystals and water to use:

Make sure you wear rubber or latex gloves while doing this. The copper solution will stain you cuticles and it stings really bad if it gets in any cuts.

Add a teaspoonful of crystals to a cup of WARM water. Try it on some solder by applying it with a sponge. If the color is too pink, you need a WEAKER solution to get that nice deep copper color, so add some more water, remembering to measure the amount you are adding. Clean off the too-pink patina, that is already on the solder, with steel wool, then apply the new solution to see if it is the color you want. Conversely, if it only goes a dark grey, you should add a few more crystals. It's a deep copper color that
you're aiming for. Actually any color that pleases you will be the right color.

When you've got the proportions right, mix up several cups of copper sulphate solution in a large glass jar. That will last you a long time. Shake it well before you use it. Wet a sponge (not wringing wet) with the mix and wipe it over the solder. If you are working on a large project, you may need to wet the sponge more than once. It's a chemical reaction between the copper sulphate and the tin in the solder that causes the color to change.

When you have something to patina, put 30 to 60 mm (1 to 2 ounces) in a non-metallic container and microwave it for a few seconds (5-10) to finger-tolerable lukewarm...wearing latex gloves. Apply the patina with the sponge, then dispose of the remainder...do not put it back in the jar with the rest of the patina. It might contain contaminants from the piece you've been using it on.

Pat the project dry with paper towels, and leave it to dry for a few hours. Do not wash it again. The water could cause the patina to blotch or get white bloom. Once it is dry, apply wax, then polish with a soft lint-free cloth. The wax will clean off any remaining patina that is on the glass, and it will protect the copper finish on the solder. Carnauba wax is the best, but if you can't find any, any household wax used to clean your furniture will do.

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Dec 01, 2008
Rating

Submitted by: Sue

Title

Comment
Hi Song, Here's a short tutorial on Mixing Copper Sulfate Crystals: The first time you mix up the solution is a bit like doing an experiment. Once you get the proportions correct, mixing up more will be quick and easy. Be sure to write down the amounts of water and copper sulphate crystals you use as you are experimenting. The reason it takes experimenting is the fact the water contains different elements from one place to another. Those elements, like iron and sulpher, cause different chemical reactions with the copper sulphate crystals. Therefore, there isn't be a standard measurement for making the solution. One way to get around the problem is to use distilled water, but it's not necessary if you are willing to experiment a bit. Here's how to figure out the right amount of crystals and water to use: <b>Make sure you wear rubber or latex gloves while doing this.</b> The copper solution will stain you cuticles and it stings really bad if it gets in any cuts. Add a teaspoonful of crystals to a cup of WARM water. Try it on some solder by applying it with a sponge. If the color is too pink, you need a WEAKER solution to get that nice deep copper color, so add some more water, remembering to measure the amount you are adding. Clean off the too-pink patina, that is already on the solder, with steel wool, then apply the new solution to see if it is the color you want. Conversely, if it only goes a dark grey, you should add a few more crystals. It's a deep copper color that you're aiming for. Actually any color that pleases you will be the right color. When you've got the proportions right, mix up several cups of copper sulphate solution in a large glass jar. That will last you a long time. Shake it well before you use it. Wet a sponge (not wringing wet) with the mix and wipe it over the solder. If you are working on a large project, you may need to wet the sponge more than once. It's a chemical reaction between the copper sulphate and the tin in the solder that causes the color to change. When you have something to patina, put 30 to 60 mm (1 to 2 ounces) in a non-metallic container and microwave it for a few seconds (5-10) to finger-tolerable lukewarm...wearing latex gloves. Apply the patina with the sponge, then dispose of the remainder...do not put it back in the jar with the rest of the patina. It might contain contaminants from the piece you've been using it on. Pat the project dry with paper towels, and leave it to dry for a few hours. <b>Do not wash it again.</b> The water could cause the patina to blotch or get white bloom. Once it is dry, apply wax, then polish with a soft lint-free cloth. The wax will clean off any remaining patina that is on the glass, and it will protect the copper finish on the solder. Carnauba wax is the best, but if you can't find any, any household wax used to clean your furniture will do.

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Nov 30, 2008

Patina
by: Song Hui

Dear Sue:

thank you very much for your help, I have got in touched with Shanghai unimix tools, but I can't get result, I also have got in touched with Delhpi Glass company, the staff Kenny told me it is chemical, so their company can't ship it to me. Dear Sue now I have bought copper sulphate crystals in our city, so please tell me the details how to make patina using copper sulphate crystals.

thank your very much

best regards

yours

Song Hui

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Where To Buy Patina in China

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Where To Buy Patina in China