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| | | | | | | | | | | | | | | | | | | | | HIGH ALUMINA MATRIX SHEETS | | | | | | | | | | | | | | | | | | | TYPE | RS-99M | RS-99W | RS99R | | | | Form | Moldable Sheet1,3 | Riqid Sheet2,3 | Rigid Sheet | | | | Density, as supplied, gm/cc(pcf) | 2.1(130)A | 2.1(130) | 2.1(130) | | | | Porosity, % | 56 | 48 | 48 | | | | Loss on Ignition, % | 4 - 5 | 4 - 5 | 0 - 1 | | | | Modulus of Rupture**, MPa(psi) | | | | | | | as received | 18(2600)A | 18(2600) | 21.8(3150) | | | | Compressive Strength**, MPa (psi) | | | | | | | at 10% compression | 25.6(3700)A | 25.6(3700) | 30.1(4350) | | | | Thermal Conductivity, | | | | | | | W/m°K(BTU/hr. ft2 °F/in) | 0.64(4.5)A | 0.64(4.5) | 0.64(4.5) | | | | Linear Shrinkage, % | | | | | | | Length/Thickness | | | | | | | after 4 hrs. at 1200°C(2192°F) | 0.4 / 1 | 0.3 / 1 | 0.3 / 0.4 | | | | after 4 hrs. at 1400°C(2552°F) | 4 / 5 | 3 / 5 | 3 / 5 | | | | after 4 hrs. at 1600°C(2912°F) | 8 / 10 | 8 / 10 | 8 / 10 | | | | Hardness, Durometer "D" | - | 80 | 86 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TYPE | RS-DM | RS-DD | RSDR | RS-DA | | | | Form | Moldable Sheet1,3 | Rigid Sheet2,3 | Rigid Sheet | Moldable Sheet1,3 | | | | Density, as supplied, gm/cc(pcf) | 2.1(130)A | 2.1(130) | 2.1(130) | 1.6(100)a | | | | Porosity, % | 56 | 48 | 48 | - | | | | Modulus of Rupture**, MPa(psi) | | | | | | | | as received | 21(3000)a | 21(3000) | 21(3000) | 3.4(490) | | | | Compressive Strength**, MPa (psi) | | | | | | | | at 3% compression | - | 41.4(6000) | 62(9000) | 12(2134) | | | | Thermal Conductivity, | | | | | | | | W/m°K(BTU/hr. ft2 °F/in) | 0.64(4.5)a | 0.64(4.5) | 0.64(4.5) | 0.53(3.8) | | | | Linear Shrinkage, % | | | | | | | | Length/Thickness | | | | | | | | after 4 hrs. at 1000°C(1832°F) | - | 0.3 / 1 | 0.3 / 1 | - | | | | after 4 hrs. at 1200°C(2192°F) | - | 1 / 4 | 1 / 4 | - | | | | after 4 hrs. at 1400°C(2552°F) | - | 8 / 10 | 8 / 10 | - | | | | Hardness, Durometer "D" | - | 80 | 85 | - | | | | Electrical Properties | | | | | | | | Volume Resistivity, ohm-cm | - | 5 x 107 | 5 x 107 | - | | | | Dielectric Strength, Volts/mil | | 530 | 530 | | | | | Arc resistance, sec. | | 360 | 360 | | | | | | | | | | | | | | | | | | | | | 1 Becomes rigid upon drying. 2 Can be made moldable with addition of 10-20 wt% H2O. 3 Can be made permanently rigid by heating to 300°C(570°F). 4 Depending on humidity. ** Properties expressed parallel to thickness. A Dried at 300°C(570°F). m 7RCI ^^■REFRAIWOHIPOSIIES | | | | | | ZIRCAR Refractory Composites, Inc. P.O. BOX 489, FLORIDA, NY 10921-0489 Tele: (845) 651-2200, Fax: (845) 651-1515 e-mail: sales@zrci.com Home page: http://www.zrci.com | | | | | | | | | | | | | | | | | | | | | | | | |
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