Umicore RUTHUNA® 475 Black Initial Concentrate – 2gm

$82.90 SDS
  UPS charges a $37.00 hazardous shipping fee for this item which will be added to your cart at time of purchase. The quantity and type of hazard that may be shipped in one carton is limited, therefore, when ordering more than one hazardous item, additional charges may apply. Ships UPS Ground only, no air shipments. Cannot ship via Fed Ex or USPS.
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Acid based plating solution plates a very dark gray (anthracite) color, almost black. Can be used alone or as a contrast color on both yellow and white metals. For bath plating only, cannot be used for pen plating. 4 oz. bottle has 100 ml of solution containing 2 grams of Ruthenium.

To make up 1 liter of electorlyte, stir 100 ml of Ruthuna® 475 Black slowly into 800 ml of deionized water and fill up to 1 liter with deionized water.

Umicore Black Ruthenium 475 is strongly recommended to be plated over an undercoat of 18k for proper adhesion. When plating over non-precious metals, plate the item with gold prior to using Black Ruthenium.

Umicore Ruthuna® 475 Black
Anode: Platinized Titanium
Beaker Type: Acid-resistant plastic (polypropylene) required
Temperature: 65° C (150° F)
Max. Thickness: 0.3 microns
Hardness: 750 - 850 HV
Corrosion Resistance: Good
Tarnish Resistance: Good/td>
Lightness (CIE-Lab): 50
Wear Resistance: Good
Ventilation: Required
Post Treatment: Distilled water rinse followed by sodium hydroxide rinse to prevent spots and brownish or bluish film on the parts. An alkaline cleaner such as Supra Galvex may be used instead of sodium hydroxide.