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Wieland Porta Maximum 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 Maximum 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
	210	210	HV5/30; hardened
Tensile Strength, Yield	409.9 MPa @Strain 0.200 %	59450 psi @Strain 0.200 %	after porcelain firing
	460 MPa @Strain 0.200 %	66700 psi @Strain 0.200 %	hardened
Elongation at Break	7.0 %	7.0 %	hardened
	8.0 %	8.0 %	after porcelain firing
Modulus of Elasticity	98.0 GPa	14200 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	16.2 µm/m-°C @Temperature 25.0 - 500 °C	9.00 µin/in-°F @Temperature 77.0 - 932 °F

Component Elements Properties	Metric	English
Gold, Au	70 %	70 %
Indium, In	5.0 %	5.0 %
Palladium, Pd	2.5 %	2.5 %
Platinum, Pt	10 %	10 %
Rhodium, Rh	0.50 %	0.50 %
Silver, Ag	10 %	10 %
Zinc, Zn	2.0 %	2.0 %

Processing Properties	Metric	English	Comments
Processing Temperature	699 °C	1290 °F	Preheating Temp.
Melt Temperature	910 - 1060 °C	1670 - 1940 °F
Casting Temperature	1200 °C	2190 °F

Descriptive Properties	Value	Comments
Color	yellow

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