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Heraenium PW (nickel free) 1000 g
1,240.00 zł
Tax included
1,148.15 zł
Tax excluded
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Free shipping from 1000 PLN (~235 EUR)
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You can return the product within 30 days
It is an alloy of cobalt and chromium for the production of crowns and prosthetic bridges veneered with ceramics or composites.
Heraenium Pw binds well to ceramics, has optimal physical properties and is suitable for many applications. Due to the low hardness, working with the alloy is easy and problem-free.
Chemical composition in percent by mass:
- What - 55.2
- Cr - 24.0
- W - 15.0
- Fe - 4.0
- Si - 1.0
- Mn - 0.8
- N -
Technical data:
- Type 4 alloy after casting and type 5 after ceramic firing according to EN ISO 22674.
- Density: 8.2 g / cm3.
- Phosphate-bonded investment, eg Heravest Onyx, Moldavest exact.
- Preheating temperature 950 ° C.
- Ceramic crucible for melting non-precious metals.
- Melting temperature range 1320 - 1400 ° C.
- Casting temperature 1550 ° C, 6 seconds after the shadow layer breaks.
- Oxidative firing 950 ° C / 10 minutes under vacuum (oxidation firing is not necessary for HeraCeram).
- Thermal expansion coefficient 14.3 × 10-6 K-1 (25-500 ° C).
- February, Heraenium P Lot 1.
- Gold, steel Stahlgoldlot 750.
- Hardness after casting 275 HV 10.
- Hardness after firing 290 HV 10.
- Yield point 0.2% 530 MPa after firing the ceramic.
- 0.2% yield point 490 MPa after casting.
- Tensile strength after firing 770 MPa.
- Elongation at break after firing 8%.
- Modulus of elasticity 208 GPa.
Packaging: 1000 g.
2663
1 Item
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