Neoceram N-11
Grade
also Neoceram N-0
N-11 = white opaque crystallized glass-ceramic
Choose when an opaque white heat-resistant panel is wanted (white cooktops, appliance decks, heater panels) instead of a viewing window.
Values for the N-11 condition
Other Neoceram tempers and conditions
Neoceram is listed in 2 conditions; see the grade overview at Neoceram.
- N-0
- N-11
Compare all 2 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
N-0Default Transparent (amber-tinted) low-expansion glass-ceramic | Choose for see-through hot applications: stove/fireplace viewing windows, fire-rated glazing, radiant cooktop panels, high-temperature sight glasses. | — | 50 | 0 | 700 HV | 2 W/m·K |
N-11This page White opaque crystallized glass-ceramic | Choose when an opaque white heat-resistant panel is wanted (white cooktops, appliance decks, heater panels) instead of a viewing window. | — | 55 | 0 | 700 HV | 2 W/m·K |
What is Neoceram N-11?
Neoceram N-11 is Neoceram in the N-11 grade — choose when an opaque white heat-resistant panel is wanted (white cooktops, appliance decks, heater panels) instead of a viewing window. Neoceram N-11 has a tensile strength of 55 MPa (7.98 ksi), stronger than 71% of glass grades. Elongation at break is 0% and the elastic modulus is 90 GPa (13.1 Msi). Neoceram N-11 has a density of 2.53 g/cm³ (0.0914 lb/in³), lighter than 66% of glass grades. It melts at 1,400°C (2,552 °F). N-0 is the default condition FabDigit quotes; N-11 is available on request or by drawing note.
Advantages
- Tough — resists crack growth — 1.1 MPa·√m (1 ksi·√in), better than 90% of glass grades
- Low embodied carbon — 2.1 kg CO₂/kg, better than 78% of glass grades
- High service temperature — 700°C (1,292 °F), better than 76% of glass grades
- Stiff — 90 GPa (13.1 Msi), better than 75% of glass grades
Limitations
- Difficult to machine — 8/100, worse than 84% of glass grades
Neoceram N-11 properties
Typical room-temperature values for Neoceram N-11; 15 are specific to this condition. Other listed values are Neoceram reference data and may not represent this condition. Bars are the position among glass grades.
Physical5
Neoceram N-11 has a density of 2.53 g/cm³ (0.0914 lb/in³), lighter than 66% of glass grades. It melts at 1,400°C (2,552 °F).
Mechanical12
Neoceram N-11 has a tensile strength of 55 MPa (7.98 ksi), stronger than 71% of glass grades. Elongation at break is 0% and the elastic modulus is 90 GPa (13.1 Msi).
Thermal5
Neoceram N-11 is rated for continuous service to 700°C (1,292 °F). It conducts heat at 1.7 W/m·K (0.982 BTU/hr·ft·°F), better than 66% of glass grades. Thermal expansion is 0.5 µm/m·K (0.278 µin/in·°F).
Electrical5
Neoceram N-11 is an electrical insulator with a dielectric strength of 20 kV/mm (508 V/mil) and a resistivity of 1×10¹¹ Ω·m.
Chemical & Environmental2
Corrosion resistance is excellent (90/100), better than 73% of glass grades.
Sustainability4
Producing a kilogram of Neoceram N-11 takes about 30 MJ of energy and emits 2.1 kg of CO₂ — less than 79% of glass grades. Typical recycled content is 5%.
Manufacturability3
Neoceram N-11's machinability is not recommended (8/100, worse than 84% of glass grades).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with Neoceram N-11
Is Neoceram easy to machine?
Grind, drill and edge only with diamond tooling and copious water; waterjet works but needs low pierce pressure — no conventional cutting or scoring after ceramming.
Can Neoceram be welded?
Not weldable; joined mechanically with gaskets/clips or by high-temperature silicone, glass frit or metal-to-glass sealing.
Can Neoceram be formed, bent or molded?
Shaped as a green (vitreous) precursor by rolling, pressing or slumping, then crystallized at ~800–950 °C; no post-ceramming forming is possible.
What surface finishes work on Neoceram?
Supplied fire-polished, sandblasted or with ceramic-frit screen-printed decoration and optional IR/anti-reflective coatings; edges should be arrised to avoid strength-limiting flaws.
Neoceram chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| SiO2glass former | 63 – 70 | 67 |
| Al2O3 | 18 – 23 | 20.5 |
| Li2Oforms β-quartz solid solution | 2.5 – 4.5 | 3.5 |
| MgO | 0.3 – 2 | 1 |
| ZnO | 0.5 – 2.5 | 1.5 |
| TiO2nucleating agent | 1.5 – 3 | 2.3 |
| ZrO2nucleating agent | 1 – 2.5 | 1.8 |
| BaO | 0 – 2 | 0.8 |
| Na2O + K2Oresidual alkali in glassy phase | 0.2 – 1.2 | 0.7 |
| fining agents (As2O3/Sb2O3/SnO2)producer-dependent; modern melts are arsenic-free | 0 – 1 | 0.4 |
Neoceram N-11 — frequently asked
What is Neoceram N-11 used for?
Neoceram N-11 is typically used for cooktop panels, fireplace windows and fire-rated glazing. In short: cooktop-grade glass-ceramic; near-zero thermal expansion; 700 °C service panels.
What is the tensile strength of Neoceram N-11?
Neoceram N-11 has a typical tensile strength of 55 MPa (7.98 ksi) — stronger than 71% of glass grades. Strength varies by condition: see the 2 listed tempers.
Is Neoceram N-11 easy to machine?
Not especially — machinability is rated not recommended (8/100, worse than 84% of glass grades). Grind, drill and edge only with diamond tooling and copious water; waterjet works but needs low pierce pressure — no conventional cutting or scoring after ceramming.
Can Neoceram N-11 be welded?
Not weldable; joined mechanically with gaskets/clips or by high-temperature silicone, glass frit or metal-to-glass sealing.
What surface finishes work on Neoceram N-11?
Supplied fire-polished, sandblasted or with ceramic-frit screen-printed decoration and optional IR/anti-reflective coatings; edges should be arrised to avoid strength-limiting flaws.
Can Neoceram N-11 be formed, bent or molded?
Shaped as a green (vitreous) precursor by rolling, pressing or slumping, then crystallized at ~800–950 °C; no post-ceramming forming is possible.
What is the maximum service temperature of Neoceram N-11?
Neoceram N-11 is rated for continuous use to about 700°C (1,292 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Sources
- NEOCERAM N-0 / N-11 transparent and white crystallized glass — Nippon Electric Glass (2022)
- ROBAX glass-ceramic technical data (comparable LAS grade) — SCHOTT (2021)
- Glass-Ceramic Technology (Höland & Beall) — Wiley/ACerS (2019)
- ASM Engineered Materials Handbook Vol. 4 — Ceramics and Glasses — ASM International (1991)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.