Hexoloy® SA sintered silicon carbide tiles are available in sizes ranging from 50.8 mm to 177.8 mm with thicknesses from 2.54 mm to 19.05 mm. Norbide B4C hot pressed boron carbide tiles are available in sizes ranging from 200 mm to 432 mm and up to mm thick.
One surface of the tiles can be polished. Hexagon shaped tiles are also available.
Typical Properties of Hexoloy® SA
| Property | Units | Typical Value |
| Composition* | - | SiC |
| Grain Size | µm | 4.10 |
| Density | g/cm3 | 3.15 |
| Hardness (Knoop)** | kg/mm2 | 2800 |
| Flexural Strength 4 pt @ RT*** | MPa x103 lb/in2 | 380 55 |
| Flexural Strength 3 pt @ RT*** | MPa x103 lb/in2 | 550 80 |
| Compressive Strength @ RT | MPa x103 lb/in2 | 3900 560 |
| Modulus of Elasticity @ RT | GPa x106 lb/in2 | 430 62 |
| Weibull Modulus (2 parameter) | 10 | |
| Poisson Ratio | 0.14 | |
Fracture Toughness @ RT Double Torsion & SENB | MPa x m1/2 x103 lb/in2 x in1/2 | 4.60 4.20 |
Coefficient of Thermal Expansion RT to 700°C | x10-6 mm/mmK x10-6 in/in ˚F | 4.02 2.20 |
| Maximum Service Temp. Air | °C °F | 1900 3450 |
| Mean Specific Heat @ RT | J/gmK | 0.67 |
Thermal Conductivity @ RT @ 200°C @ 400°C
| W/mK Btu/ft h °F W/mK Btu/ft h °F W/mK Btu/ft h °F | 125.6 72.6 102.6 59.3 77.5 44.8 |
| Permeability @ RT to 1000°C | Impervious to gases over 31 MPa | |
Electrical Resistivity @ RT**** @ 1000°C | ohm-cm ohm-cm | 102 - 108 0.01 - 0.2 |
| Emissivity | 0.9 | |
| Dimensions | Thickness |
| 2" x 2" | 0.250" |
| 2" x 2" | 0.500" |
| 4" x 4" | 0.100" |
| 0.125" | |
| 0.160" | |
| 0.250" | |
| 0.375" | |
| 0.500" | |
| 0.750" | |
| 4" x 2" | 0.260" |
| 6.16" x 6.16" | 0.160" |
| 0.250" | |
| 0.500" | |
| 0.750" | |
| 7.1" x 7.1" | 0.160" |
2" x 2" Tiles
| Length & Width | Thickness | Camber |
| ± 0.015 in | ± 0.010 in | 0.005 in/in |
4" x 4" Tiles
| Length & Width | Thickness | Camber |
| ± 0.030 in | ± 0.010 in | 0.005 in/in |
4" x 2" Tiles
| Length & Width | Thickness | Camber |
| ± 0.030 in | ± 0.010 in | 0.005 in/in |
6.16" x 6.16" Tiles
| Length & Width | Thickness | Camber |
| ± 0.045 in | ± 0.010 in | 0.005 in/in |
7.1" x 7.1" Tiles
| Length & Width | Thickness | Camber |
| ± 0.050 in | ± 0.010 in | 0.005 in/in |
