Cryston® CERTS-ZN

Immersion Tubes

Cryston® CERTS-ZN is a refractory ceramic material featuring silicon carbide grainsbonded in a vitrified carbon bond matrix. Possessing excellent thermal properties due to high conductivity, refractoriness, and resistance to thermal shock, Cryston® CERTS-ZN is an excellent choice in immersion heater tubes and other molten metal contact applications.

Typical Properties

PROPERTIESTYPICAL VALUES
ChemistrySiC
Carbon Borosilicate glass
60% 
30% 
10%
Max Use Temperature1200°C (2192°F)
Bulk Density2.3 g/cc (143.5 lbs/ft3)
Apparent Porosity16%
Modulus of Rupture at 20°C8 MPa (1160 psi)
Thermal Expansion4.6 x 10-6 °C-1
(2.6 x 10-6 °F-1)
Thermal ConductivityTemp/ 800°CW/m-K/ 42.0(BTU-in/ hr ft-2°F) / 290