Metalle
Colour | Yellow |
Density | 19,32 g/cm³ |
Melting point | 1.064,18°C |
Properties | Good conductor of heat and electricity, can be rolled out or beaten extremely thin > gold leaf 0.0014 mm! |
Advantages | Unique colour, good workability, high resistance to chemicals |
Our alloys | 8 kt, 14 kt and 18 kt in popular alloy colours |
Our hardnesses | 130 – 223 HV depending on the purityhardness') |
Colour | Radiant white |
Density | 10,49 g/cm³ |
Melting point | 961,78°C |
Properties | Excellent electrical and almost the highest thermal conductivity, antibacterial effect in medical applications |
Advantages | High reflection of light, most ductile material: filaments of 2 km in length weigh only 0.1 to 1 g (filigree wire) |
Our alloys | Silver 925/000 |
Our hardnesses | 160 HVhardness') |
Colour | Shiny grey-white |
Density | 21,45 g/cm³ |
Melting point | 1.768,3°C |
Properties | Specific weight higher than gold, lowest thermal expansion (metre standard in Paris), rarest of all precious metals |
Advantages | Maximum resistance to corrosion > can only be dissolved in hot aqua regia |
Our alloys | Pt 950/000 Pt 600/000 |
Our hardnesses | 170 HVhardness') |
Colour | Silvery grey |
Density | 11,99 g/cm³ |
Melting point | 1554,9°C |
Properties | Metal in the platinum group; natural colour without surface finishing |
Advantages | Resistant to tarnishing, as hard-wearing as gold |
Our alloys | PD500 – Colour dark grey PD950 – Colour pale grey |
Our hardnesses | 140 - 170 HVhardness') |