Pl990

For the manufacture of jewelry

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Precious metals	Platinum jewelery

Chemical composition

Standard	Fe, %	Si, %	Ti, %	Pb, %	Au, %	Pt, %
Standard	Fe, %	Si, %	Ti, %	Pb, %	Au, %	Pt, %
GOST 30649-99	< 0.04	< 0.009	0.5–1	< 0.015	< 0.05	99–99.5

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	20880

Casting and technological parameters

melting point, °C
melting point, °C
1740–1760

Standards

Standard	Description
Standard	Description
GOST 30649-99

Description of chemical elements

Element	Units of measurement	Description
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
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
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