Silver powder, free-flowing, subtractive PSR-TS

Silver powder, free-flowing, subtractive PSR-TS — a light gray powder used in the production of metal-ceramic contacts.

Some characteristics:

mass fraction of silver — 99.5 ± 0.3%;
mass fraction of magnesium — not more than 0.4%;
mass fraction of impurities (iron, lead, bismuth, antimony) — 0.02% (total);
mass fraction of copper — 0.007%;
mass fraction of moisture — not more than 0.05%;
mass fraction of substances insoluble in nitric acid — not more than 0.05%;
bulk density of powder — 1.30–1.80 g/cm³;
flowability of powder — not less than 3.0 g/s.
The powder must not contain visible foreign inclusions or lumps.