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Keramikgold PKF - for C&B
Keramikgold PKF - for C&B

Keramikgold PKF - for C&B

Benefits

Indications

Specifications

Product details
Composition
(Content in mass %)

Au 75.0
Ag 12.5
Pt 9.0
Zn 2.0
Ta 0.45
Rh 1.0
Type 4 (v/k), 3(s)
Shade Yellow
Indication Inlays, cervical restorations
MOD Inlays
Crowns
Bridges
Milling technique
Can be veneered with high expansion,
low fusing ceramics
Implant restorations
Article Code 1508 0000
Technical data, melting and casting
Melting range (1) Solidus 990° C
Liquidus 1050° C
Preheating Temperature 800 ° C
Casting Temperature 1180 ° C
Crucible Graphite
Density (1) 16.7 g/cm3
Hardnesss, HV5 180/205 (w/k), 220 (v), 135(s)
0.2 % proof stress (1), MPa (2) 455 (w/k), 450(v)
Elongation (1) % 6 (w/k), 7(v)
Elastic modulus (1), GPa (2) 95
Ceramic firing
CTE 15.7
Oxide firing 800°C (2) / 3min.
Soft annealing 800°C / 5min.
Processing after oxide firing Pickling in Hera AM 99 ca. 70 °C/ 10 min.
Cooling after ceramic firing (Relexation cooling is recommended for lang span, bulky frameworks) HeraCeram: Rapid cooling
At the end of the program the firing platform is completely and firing tray with objects is removed immediately. The firing tray can cool next to the furnace on a fire-resistant tray.
Others: Normal cooling (Stress relief cooling)
The firing platform is driven down at the end of the program and the firing tray is left in the radiated heat for 2 – 3 minutes before it is removed.
Hardening 500°C / 15 min.
Solder / Laser welding wire
Prior to Ceramic Firing
Solder Spezial Lot
Spezial 970 Lot
Working temperature °C: 970 / Solder colour: yellow
After Ceramic Firing
Solder HeraSun Lot 2
Flux** Work. temp. * 710(5)°C / Solder colour: yellow
Alloy not available as Laser welding wire
Recommended alternative alloy Laser welding wire: Bio Heranorm(2)

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