RSLE-501
Zircar
This silica reinforced composite is in a cylindrical form. It has outstanding resistance due to its high endurance. Since it has a very low coefficient of expansion, this material offers superior resistance to thermal shock in an oxidized atmosphere.
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Applications
The RSLE-501 was designed for use as durable insulators in induction heat treating applications. It is also used in zones where temperatures may rapidly.
Specifications
Properties & characteristics
| Temperature | 1 200°C (2 192°F) |
|---|---|
| Nominal composition, wt % | |
| Al2 O3 | 65 |
| SiO2 | 99.7 |
| Other oxides | 0.3 |
| Organics | 0 |
| Density, g/cc (pcf) | 2.1 (90) |
| Porosity, % | 31 |
| Color | White |
| Hardness, Durometer «D» | 87 |
| Charpy impact strength, ft-lb | 0.8 |
| Thermal Expansion Coeff. | |
| Room Temp. to 800°C (1472°F) | 0.3 x 10e6/°C |
| Compressive Strength**, Mpa (psi) | |
| At 2.7% consolidation | 48 (7000) |
| Modulus of rupture**, Mpa (psi) | 30 (4300) |
| 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) |
| Volume Resistivity, ohm-cm ASTM D-257-93 | 7.5 x 10? |
| Dielectrical Strength, volts/mil | |
| ASTM D-149-95 | 43 |
| Linear shrinkage, % *** | |
| 24 hrs to 800°C (1472°F) | |
| Length | 0.1 |
| Width | 0.1 |
| Thickness | 0 |
| 24 hrs to 1100°C (2012°F) | |
| Length | 4.9 |
| Width | 4.9 |
| Thickness | 7.9 |
N.B. The information presented may differ from practice. We recommend conducting tests according to the conditions of use. We accept no responsibility for results obtained by the application of this information or the safety and suitability of our products. The data is subject to certain variations without notice.
