- Kanthal globar SG and SR are kanthal's highest performance silicon carbide (SiC) heating elements, designed to exceed the requirements of today’s most demanding high temperature processes. - With a porosity of less than half of conventional recrystallized silicon carbide heating elements, -Kanthal globar SG and SR elements react much more slowly with the process atmosphere, whether this be oxidizing or reducing. **For further product information, please contact Chat Support**