I have recently purchased A silver from Stueller... nice product... Understand that it 'Resist' tarnishing.... that's why I used it!... Question is...'for how long? what can I expect from a finished product??
Argentium Sterling Silver has been tarnish tested using an
International Standards Organisation Test ISO 4538: 1995
(Thioacetamide tarnish test). The test was carried out independently
by CATRA (Cutlery and Allied Trades Research Association) in the UK.
The Thioacetamide test requires samples to sit in an enclosed, gas
tight chamber that contains a saturated solution of sodium acetate
tri-hydrate and Thioacetamide, distributed on a horizonal plate,
within the chamber (50mg per square decimetre of surface). This
ensures that the test atmosphere contains volatile suphides for the
duration of the test, with a relative humidity of 75% at 20+/-5=B0C
within the sealed container. At the end of the test the standard
sterling sample had tarnished severely and the Argentium sample
Please let me know if you would like a copy of the report and I can
e-mail the document to you.