Welcome to our Help Centre


Q: Do you have any additional information on Sterling Silver?

A: You can download some more information below: ...Read more

Q: Can you tell me the composition of the metal products you sell?

A: We can advise what metals make up the alloys in our precious metal bullion products. However, we are unable to advise specific percentage breakdowns for...Read more

Q: Do you have any tips on working with silver?

A: Find a great guide to working with silver here. ...Read more

Q: Why have a hallmark?

A: Items of jewellery are hallmarked to identify what type of precious metal the piece is made from. Gold, Silver and platinum are all hallmarked.  ...Read more

Q: How do I prepare silver for enamelling?

A: To prepare silver for enamelling, it needs to be de-greased and de-oxidised. De-grease using emery paper or pumice powder and a brushTo remove...Read more

Q: What is wire gauge?

A: Wire gauge is a measuring system to denote the diameter (thickness) of wire. The system goes from 0000 through to 40. The larger the wire gauge number,...Read more

Q: How do I buy Fairtrade Gold?

A: While Fairtrade gold is listed on our site, in order to purchase a Fairtrade Gold product, you must register as a Fairtrade Goldsmith or Fairtrade...Read more

Q: Do you have a safety data sheet for Sterling Silver?

A: Here is the safety data sheet for Sterling Silver    ...Read more

Q: Do you have any additional information for the GW Platinum Alloy

A: You can download some more information below: ...Read more

Q: What is the best flux to use for soldering gold?

A: We would recommend Auroflux for Gold Soldering.      ...Read more

Q: Do you sell Fine Silver Bars?

A: Cooksongold offer a range of high quality fine silver stamped investment bars.   Available in five weights from 50g to 1kg99.9% pure silverPopular as...Read more

Q: Does the alloy I use contain palladium?

A: There are white alloys available from Cookson in the 14ct and 18ct ranges that contain palladium.    These generally fall into two types, low...Read more

Q: Do you have a safety data sheet for Extra Easy Silver Solder?

A: Here is the safety data sheet for Extra Easy Silver Solder   ...Read more

Q: Do you have any additional information for the 18ct Pd 11 White Alloy?

A: You can download some more information below: ...Read more

Q: How do I age harden your palladium 950?

A: Palladium 950 alloy does not respond to age hardening treatments.   It can be work hardened with reductions of area over 70% possible , but and...Read more

Q: Why does my solder not run freely?

A: Check that the joint is clean, and that there is no flux on the surface. For more detailed soldering advice click here for our soldering...Read more

Q: What thickness sheet do I need to make a brooch/pendant?

A: 1.0mm sheet is a good place to start, because its easy to work with and provides a manageable thickness to work with. ...Read more

Q: What type of solder do I use on silver wire, 1.5mm thickness when making a ring?

A: We recommend that you use medium solder. Our best seller is our Medium Silver Solder Strip, 1.5mm X 0.70mm, 600mm Lengths, Weight Per Strip 6g. If...Read more

Q: Does Argentium contain nickel?

A: No, there is no nickel content in Argentium. ...Read more

Q: Do you have properties and process information for your gold?

A: You can find safety data sheets for all our gold alloys on the table below. Simply click the internal code below. 9ct GoldYellowCYDF   ...Read more

Q: How do I work out the comparative weight?

A: You can do so using the following page: Comparative Weights ...Read more

Q: Which of your gold sheet suitable for enamelling?

A: Enamelling requires a minimum temperature of 800°C, so ideally the metal base used should be of a higher carat gold, fine silver, copper, and brass...Read more

Q: Do you have any additional information for the FP Platinum Alloy?

A:   You can download some more information below:   ...Read more

Q: Do you have any additional information for the 18ct Pd 8 White Alloy?

A: You can download some more information below: ...Read more

Q: What is the casting temperature of Cooksongold alloys?

A: All casting alloys available from Cooksongold are designed to give maximum flow properties when using standard operating conditions.   ...Read more

Q: Do you offer a hallmarking service?

A: Unfortunately our hallmarking service is no longer available, contact your local assay office for any hallmarking services.   Edinburgh Assay Office...Read more

Q: What does Argentium 935 mean?

A: The Argentium we stock is Argentium 935, which refers to a minium silver content of 93.5%. Different standards have been established to guarantee and...Read more

Q: Is your Eco silver sterling or fine silver?

A: Our Ecosilver range comes in a variety of alloys, shape, sizes, lengths and widths. To see the whole range and find out more, click here. ...Read more

Q: Do you have any additional information for the HC Platinum Alloy?

A: You can download some more information below: ...Read more

Q: Do you have any additional information for the 18ct Pd 12 White Alloy?

A: You can download some more information below: ...Read more

Q: Why offer Fairtrade gold?

A: • It's a simple, flexible and cost effective way to source the gold you need responsibly and with traceability. • It shows your customers...Read more

Q: What temperature should I have my flask at when casting?

A: Low flask temperatures during casting may lead to incomplete filling and porosity due to rapid solidification of the molten metal. High flask temperatures...Read more

Q: How strong is silver plated wire?

A: The strength of plated wire will depend on what the silver is plated on. The strength of the silver plated item would also depend on what condition the...Read more

Q: Do you have any additional information on Argentium?

A: Please find attached our Argentium Guide which you should find helpful.    ...Read more

Q: How can I stop firescale on red gold?

A: Use of Argotect is recommended to protect the surface of the metal when heating. This will help stop firescale which looks like dark patches on...Read more

Q: Do you have any additional information for the 18ct G Green Alloy?

A: You can download some more information below: ...Read more

Q: Do Cooksongold stock Black Gold?

A: Cooksongold do not supply Black Gold.   However creating black gold is possible using a few different techniques. Electrodeposition using black...Read more

Q: Do Cooksongold stock Argentium silver?

A: Yes, Cooksongold do stock Argentium Silver  ...Read more