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Wieland Porta Aurium PFM Alloy

Category	Metal , Nonferrous Metal , Precious Metal , Silver Alloy
Manufacturer	Wieland
Trade Name	Porta
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Wieland Porta Aurium PFM Alloy.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

All-purpose alloy for low-fusing high expanding ceramicsApplications: inlays/onlays, crowns, short span bridges, long span bridges, telescopic and milling works, removable partials, ceramic veneering, acrylic veneeringDental

Physical Properties	Metric	English	Comments
Density	14.7 g/cc	0.531 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	190	190	HV5/30; after porcelain firing
	210	210	HV5/30; hardened
Tensile Strength, Yield	400 MPa @Strain 0.200 %	58000 psi @Strain 0.200 %	after porcelain firing
	460 MPa @Strain 0.200 %	66700 psi @Strain 0.200 %	hardened
Elongation at Break	4.0 %	4.0 %	hardened
	6.0 %	6.0 %	after porcelain firing
Modulus of Elasticity	103 GPa	14900 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	16.3 µm/m-°C @Temperature 25.0 - 500 °C	9.06 µin/in-°F @Temperature 77.0 - 932 °F

Component Elements Properties	Metric	English
Gold, Au	55 %	55 %
Indium, In	3.5 %	3.5 %
Palladium, Pd	3.0 %	3.0 %
Platinum, Pt	12 %	12 %
Rhodium, Rh	0.50 %	0.50 %
Silver, Ag	23 %	23 %
Zinc, Zn	3.0 %	3.0 %

Processing Properties	Metric	English	Comments
Processing Temperature	699 °C	1290 °F	Preheating Temp.
Melt Temperature	938 - 1080 °C	1720 - 1980 °F
Casting Temperature	1230 °C	2250 °F

Descriptive Properties	Value	Comments
Color	yellow

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