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Wieland Porta Optimum PFM Alloy

Category	Metal , Nonferrous Metal , Precious Metal , Gold 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 Optimum 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	16.0 g/cc	0.578 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	190	190	HV5/30; after porcelain firing
	220	220	HV5/30; hardened
Tensile Strength, Yield	440.0 MPa @Strain 0.200 %	63820 psi @Strain 0.200 %	after porcelain firing
	480.0 MPa @Strain 0.200 %	69620 psi @Strain 0.200 %	hardened
Elongation at Break	6.0 %	6.0 %	hardened
	8.0 %	8.0 %	after porcelain firing
Modulus of Elasticity	100 GPa	14500 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	16.1 µm/m-°C @Temperature 25.0 - 500 °C	8.94 µin/in-°F @Temperature 77.0 - 932 °F

Component Elements Properties	Metric	English
Copper, Cu	2.9 %	2.9 %
Gold, Au	69.8 %	69.8 %
Indium, In	2.0 %	2.0 %
Platinum, Pt	9.6 %	9.6 %
Rhodium, Rh	0.50 %	0.50 %
Silver, Ag	13.2 %	13.2 %
Zinc, Zn	2.0 %	2.0 %

Processing Properties	Metric	English	Comments
Processing Temperature	699 °C	1290 °F	Preheating Temp.
Melt Temperature	921 - 1040 °C	1690 - 1900 °F
Casting Temperature	1120 °C	2050 °F

Descriptive Properties	Value	Comments
Color	yellow

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