Spiral silicon carbide heating elements with high-density, high ... . DescriptionsOD: Outer Diameter,HZ: Length Of Hot Zone,CZ: Length Of Cold Zone, Order SampleOL: Total Length.Straight ... , OD-20mm, HZ-150mm, CZ-100mm, OL-350mm, Resistance-2.24ΩSpecify as: KJ ... (mm)250300300400450160160160160COOL ZONE (mm) Min.250300300404040404040 Spiral Silicon carbide heating elements