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ABC 100 grams gold bar | Model# ABC 100 grams gold bar

100 grams, purity of 99.99%, originated from Sydney, Australia

ABC Bullion (HK) Limited, from HONG KONG

Abrasion-resistant and crack-free dark coatings - RHODUNA® 470Rhodium Electrolyte

RHODUNA® 470 Black adds a superior final layer to jewellery with a thickness up to 0.3 μm. The layer persuades with good corrosion resistance. The electrolyte is perfectly suited for applications where black ruthenium cannot fulfill the requested abrasion requirements. The black rhodium electrolyte produces crack-free coatings, even at high layer thickness. The darkness can be adjusted. On the basic substrate, pre-gold plating is recommended. This is not requested if the basic layer is build with palladium or palladium-nickel.

Umicore Galvanotechnik GmbH, from GERMANY
IGR GOLD BAR | Model# IGR KILOBAR

IGR produces 1000 gram gold bars with the purity of 999,9/1000 in accordance with LBMA criteria.

ISTANBUL GOLD REFINERY, from TURKEY
IGR Goldgram | Model# GG 20 Grams

20 grams minted bar with the purity of 999,9/1000 is available.

ISTANBUL GOLD REFINERY, from TURKEY
IGR Goldgram | Model# GG Round One Ounce

Round One Ounce minted bar with the purity of 999,9/1000 is available.

ISTANBUL GOLD REFINERY, from TURKEY
AURUNA® 5300 | Model# 8

AURUNA® 5300 gold iron electrolyte - Nickel-/cobalt-free hard gold electrolyte

AURUNA® 5300 is suitable for decorative and technical applications. For decorative purposes its yellow, bright coatings are its strengths. Also, it does not release any allergies since it is nickel and cobalt-free. The coatings exhibit good corrosion and abrasion resistance.

Umicore Galvanotechnik GmbH, from GERMANY
STAHL I STEEL | Model# 0
Catalogue
Binder, Friedrich GmbH & Co KG, from GERMANY
Catalogue
Binder, Friedrich GmbH & Co KG, from GERMANY
IGR Goldgram | Model# GG One Ounce

One Ounce minted bar with the purity of 999,9/1000 is available.

ISTANBUL GOLD REFINERY, from TURKEY
ABC Gold Tael Donut 一两黃金 | Model# ABC Gold Tael Donut
1 Tael, 一两黃金, Purity 99.99%, originated from Sydney, Australia
ABC Bullion (HK) Limited, from HONG KONG
ABC Eureka Gold Minted bar | Model# ABC Eureka Gold Minted bar
1 oz minted gold bar, purity of 99.99%, originated from Sydney, Australia
ABC Bullion (HK) Limited, from HONG KONG
ABC 1oz gold cast bar | Model# ABC 1oz gold cast bar
1 oz gold cast bar, purity of 99.99%, originated from Sydney, Australia
ABC Bullion (HK) Limited, from HONG KONG
ABC Gold Kilo Bar (99.99%) | Model# ABC Gold Kilo Bar (99.99%)
Gold, purity in 99.99%, originated from Sydney, Australia
ABC Bullion (HK) Limited, from HONG KONG
ABC 500 grams gold bar | Model# ABC 500 grams gold bar
500 grams, purity of 99.99%, originated from Sydney, Australia
ABC Bullion (HK) Limited, from HONG KONG
ABC Eureka Silver Minted bar | Model# ABC Eureka Silver
Silver minted bar, purity of 99.95%, originated from Sydney, Australia
ABC Bullion (HK) Limited, from HONG KONG
AURUNA® 5500 EF | Model# 15
AURUNA® 5500 EF: Gold Electrolyte for Electroforming - Arsenic-free electrolyte for fine gold hollow jewellery

AURUNA® 5500 EF is particularly suitable for electroforming. The electrolyte is free of arsenic and produces hard, semi-bright, thick gold layers. It is mainly used to produce high quality hollow jewellery with layers between 150 and 200 micrometer. Mandrels may be either made of wax or metal. The excellent hardness up to 180 HV and more than 99.9 percent fineness ensure customer satisfaction, because the hollow jewellery offers outstanding stability in use. It can be polished easily, has good surface quality and convinces with its solder properties. AURUNA® 5500 EF is also ideal when thick fine gold layers are deposited on (non-) precious metals. Creative combinations allow completely new designs.
Umicore Galvanotechnik GmbH, from GERMANY
AURUNA® 3407 EF-24: Gold Electrolyte for Electroforming - Cyanid-free gold electrolyte

AURUNA® 3407 EF is cyanide free and mainly used for electroforming with wax and metal cores. The electrolyte allows to produce high-quality hollow jewellery with thick gold layers between 150 and 200 micrometer on mandrels made conductive. The layers have an excellent hardness up to 160 HV and a fineness of 99.9 percent. Therefore, the produced pieces are very stable in use. The surfaces are semi-bright and show good quality. They can easily be polished as well as soldered. The electrolyte convinces user dues to an additional surplus. It does not contain any toxic additives as grain refiners like arsenic, thallium or lead.
Umicore Galvanotechnik GmbH, from GERMANY
AURUNA® 568 EF-18: Gold-Silver Electrolyte for Electroforming - For more than 30 years used worldwide for hollow jewellery

The gold-silver electrolyte AURUNA® 568 EF-18 stands for decades of Umicore experience in electroforming with mandrels made of wax and metal. For more than 30 years hollow jewellery has been produced worldwide with AURUNA® 568 EF-18. Among others, renown manufacturers produce creole earrings, pendants, brooches, chains, chain clasps and bangles, but also statues and watch parts with AURUNA® 568 EF-18. The electrolyte convinces with layer thicknesses of 150 to 200 micrometer, a fine gold content of 18 ct and is easy to maintain. The weight distribution can be monitored within narrow limits very closely.
Umicore Galvanotechnik GmbH, from GERMANY
AURUNA® 556 EF-24: Fine Gold Electrolyte for Electroforming - Electrolyte for fine gold hollow jewellery

AURUNA® 556 EF-24 is particularly suitable for electroforming. The electrolyte produces hard, semi-bright, thick gold layers. It is mainly used to produce high quality hollow jewellery with layers between 150 and 200 micrometer. Mandrels may be either made of wax or metal. The excellent hardness up to 200 HV and more than 99.9 percent fineness ensure customer satisfaction, because the hollow jewellery offers outstanding stability in use. It can be polished easily, has good surface quality and convinces with its solder properties. AURUNA® 556 EF-24 is also ideal when thick fine gold layers are deposited on (non-) precious metals. Creative combinations allow completely new designs.
Umicore Galvanotechnik GmbH, from GERMANY
ARGUNA® 621 EF | Model# 11
ARGUNA® 621 EF: Bright Silver Electrolyte for Electroforming - For noble silver hollow jewellery

ARGUNA® 621 EF is a silver electrolyte, especially to produce noble hollow jewellery. A layer with high thickness can be deposited on mandrels made conductive. The electrolyte works with wax and metal cores. It can be used within a wide current density range and is suitable for relatively high temperature ranges (40 degrees Celsius). Its good throwing power results in a uniform layer thickness distribution. The surfaces are bright and brilliant white, without blue cast and have a fineness of 99.9 percent silver. The layers can be easily reworked and soldered. Its hardness can be further increased with ARGUNA® 621 Brightener 3 up to approximately 185 HV.
Umicore Galvanotechnik GmbH, from GERMANY
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