Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 20.7 g/cc | 0.748 lb/in³ | |
Johnson Matthey HM Platinum w/ 5% Ruthenium Jewelry Alloy General purpose, good matching properties. Copper, cobalt, gold, iridium, palladium and ruthenium alloy easily with platinum. The differences between the alloys reflect the hardening of the alloyin.. |