RSLE-56
The RSLE-56 is flexible(formable), and is composed of silica reinforced ceramic fiber. It molds (shapes), and cuts easily. When dried it becomes a rigid structure. Further heat treatment or exposures to process temperatures significantly increase the physical strength of this material.
With a very low thermal expansion coefficient, combined with its high temperature strength gives it thermal shock resistance not found in other structural ceramic materials. This material also has a low thermal conductivity and is resistant to corrosion. It is an excellent electrical insulator, in addition to having a high chemical purity.
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Applications
Molten non-ferrous alloys do not bond to the RSLE-56 making it useful in numerous molten metal contact applications. It can also be used in other applications such as : induction coil liners, glass furnace repairs, hot flue linings, hot press insulation, hot face insulation where gas velocity is of concern, casting tables and trough liners.
Specifications
Properties & characteristics
| Temperature | 1 200°C (2 192°F) |
|---|---|
| Nominal composition, wt % | |
| SiO2 | 99 |
| Other oxides | < 1 |
| Organics | 0 |
| LOI | 2 |
| Solids Content, % by weight | 73 |
| Density Dry, g/cc(pcf) | 1.36 (84) |
| Porosity, % | 36 |
| Color | White |
| MOR, dry, psi | 1100 |
| MOR, 10 hr. to 370°C (698°F), psi | 2300 |
| MOR, 16 hr. to 1000°C (1832°F), psi | 3800 |
| Compressive strength, dry, room temp. At 8% consolidation, psi | 1700 |
| Compressive strength, 16 hr. to 1000°C (1832°F), at 7% consolidation, psi | 7200 |
| Dying shrinkage, linear (%) | 2 |
| Dying shrinkage, thickness (%) | 3 |
| Hardness, Durometer «D» | |
| Dry | 54 |
| 10 hr. to 370°C (698°F) | 70 |
| 16 hr. to 1000°C (1838°F) | 83 |
| Thermal Conductivity** ASTM C-1113 - W/m°K (BT/hr ft² °F/in) | |
| 200°C (392°F) | 0.55 (3.8) |
| 400°C (752°F) | 0.64 (4.4) |
| 600°C (1112°F) | 0.61 (4.2) |
| 800°C (1472°F) | 0.67 (4.6) |
| 1000°C (1832°F) | 0.75 (5.2) |
