Grades & Types of Gold Plating KPW Offers
- Type I: 99.7% gold minimum (Grades A & C)
- Type II: 99.0% gold minimum (Grades A & C)
- Type III: 99.9% gold minimum (Grade A only)
- Grade A: Maximum of 90 Knoop Hardness
- Grade C: 130-200 Knoop Hardenss
| Latin Name: | Aurum - "Shining Dawn" |
| Chemical Symbol: | Au |
| Atomic Number: | 79 |
| Atomic Weight: | 197.2 |
| Elemental Category: | Transition Metal |
| Melting Point: | 1064.18 °C 1947.52 °F |
| Density: | 19.32 g/cmᶟ |
| Valence: | 1 - Aurus 3 - Auric |
| Appearance: | Slightly Reddish - Yellow Dull to Lusterous |
Klein Plating Works has done an outstanding job for us in the past and I know that I can count on them for future orders.