Sialon ULTRA™ is the new standard for the molten aluminium industry with a 30% higher impact fracture toughness than conventional Silicon Nitrides. All our products are polished to improve even more its excellent non-wetting properties.
XICAR® sintered silicon carbide is highly durable and performs exceptionally well in extreme high-temperature applications up to 1,900°C. It is highly resistant to chemical corrosion, making it an excellent choice for challenging applications in various industries.
Our SSiC thermocouple protection tubes are highly durable and perfect for harsh industrial environments. They resist corrosion and abrasion, can withstand high temperatures, and meet high standards of performance and reliability.
Get our premium XICAR® silicon carbide crucibles for high-temp processes. They meet industry standards and offer unbeatable quality, durability and performance.
XICAR™ Sintered silicon carbide provides a unique combination of physical properties, including high mechanical strength, toughness, excellent thermal shock resistance and resistance to corrosion. As a result, it is ideal for applications involving exposure to high-temperature liquids such as alloy melts and exposure to hot gases, with applications in mineral and chemical processing kilns and furnaces.
With its ability to accommodate temperatures as high as 1,650 C, significantly above the melting point of most alloys, it can be safely used without the risk of contaminating the molten metal. Our crucibles also offer superior mechanical strength at very high temperatures allowing them to be moved around safely for operations such as casting.
XICAR® datasheet | |
Temperature Max | 1700 °C – 1800 °C |
Density | > 3.10 g/cm3 |
Open porosity | 0% |
Flexural/Bending strength 20°C | 320-400 MPa |
Flexural/Bending strength 1300°C | 360-410 MPa |
Tensile strength | 1950-2600 MPa |
Young’s Modulus | 410 GPa |
Thermal Conductivity 20°C | 116 W/m.k. |
Thermal Conductivity 1200°C | 35 W/m.k. |
Coeff. Thermal Expansion | 4.0 K-1×10-6 |
Hardness HV1 kg/mm2 | 2350 |
Acid-proof Alkaline | Excellent |
Thermal Shock Resistance (delta T) | 600 °C |
Impact Fracture toughness | 4.0 MPa m½ |
XICAR® High Corrosion Resistance Sintered SiC applications
Corrosive Medium |
Temperature ˚C |
Corrosion Rate (mg/cm2 years) |
98% H₂SO₄ |
100 |
1.8 |
85% H3SO₄ |
100 |
<0.2 |
54% HF |
25 |
<0.2 |
50% NaOH |
100 |
2.5 |
45% KOH |
100 |
<0.2 |
70% HNO3 |
100 |
<0.2 |
37% HCl |
86 |
<0.2 |
10% HF HNO3 |
25 |
<0.2 |
• The only ceramic material resistant to hydrofluoric acid corrosion
• Resistant to high concentration of nitric acid, sulfuric acid, mixed acid, alkali, oxidant and organic chloric acid.
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