Pl990
For the manufacture of jewelry
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Precious metals |
Platinum jewelery |
Chemical composition
| Standard |
Fe, % |
Si, % |
Ti, % |
Pb, % |
Au, % |
Pt, % |
|---|
| GOST 30649-99 |
< 0.04 |
< 0.009 |
0.5–1 |
< 0.015 |
< 0.05 |
99–99.5 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
20880 |
Casting and technological parameters
| melting point, °C |
|---|
| 1740–1760 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Ti |
% |
Titan |
| Pb |
% |
Lead |
| Au |
% |
Gold |
| Pt |
% |
Platinum |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of the casting and technological parameters
| Parameter |
Units of measurement |
Description |
| melting point |
°C |
The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |