NOBIL-METAL® S.p.A. - DENTAL ALLOYS& SOLDERS

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Keramit 300 LF+

Micro fine grain alloy, with high expansion coefficient and total copper free composition. Ideal for low fusion porcelain with high expansion (see Performance Nobil Metal, Imagine Wieland, Evolution Wegold, Authentic Ceramay ecc.).


Yellow colour


Chemical composition

Au Pt Pd Ag In
Ru
Fe
Au&PGM
30.6% 2.0% 21.1%

35.4%

10.5%

X

X

53.8%



Technical data

Density g/cm³

12.2

Yield strength MPa

370 - 450

Melting range °C

1030 - 1110

Elongation %

5 - 3

Casting temperature°C

1250

Tensile strength MPa

550 - 615

TEC 25-500°C-25-600°C 10-6K-1

16.6 - 17.0

Vickers hardness HV5/30

200 - 210 - 220

Modulus of elasticity GPa

90

Crucible

ceramic


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