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Applications //
RSLE-56 also exhibits exceptional non-wetting properties when used in contact with molten non-ferrous alloys making it useful in numerous molten metal contact applications. Low thermal conductivity, excellent electrical insulation, high chemical purity, excellent resistance to corrosion (from molten metal and glass). Induction coil liners, glass furnace repairs, hot flue linings, hot press insulation, hot face insulation where gas velocity is of concern, casting table and trough liners.
Properties & characteristics //
| |
| 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 |
| Drying shrinkage, linear (%) |
2 |
| Drying 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 (BTU/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) |
* Maximum use temperature is dependent on variables such as stresses, both thermal and mechanical, and the chemical environment that the material experiences.
** Properties expressed parallel to thickness.
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