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Wiron 99
Description
Contents: 1000 g
Premium NiCr alloy for metal-to-ceramic work or composite veneering - beryllium-free
• Proven reliability in use worldwide for over 20 years
• Secure metal-ceramic bond, minimising the risk of subsequent flaking or chipping
• Low hardness of 180 (HV10) - for easy, fast finishing and polishing to a high lustre
• Simple casting time recognition - problem-free processing in all induction casting machines
• High modulus of elasticity for greater protection against deformations caused by masticatory forces
• High wearing comfort for patients thanks to the low thermal conductivity
• Biocompatible and highly corrosion-resistant thanks to a firmly-adhering passive layer - biocompatibility verified by an independent institute
Product details
Density [g/cm3] - 8.2
Coefficient of thermal expansion [10-6 K-1] 25- 500 °C - 13.8
Coefficient of thermal expansion [10-6 K-1] 20- 600 °C -14.0
Preheating temperature [°C] - 900- 1000
Casting temperature [°C] - approx. 1450
Melting range [°C] - 1250- 1310
Vickers hardness (HV10) - 180
Composition in % by mass
Ni 65 · Cr 22.5 · Mo 9.5 · Nb, Si, Fe, Ce each < 1
