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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
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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 Comments
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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