HERUN manufactures ceramic tube insulators and alumina insulating tubes for wires, heating elements, sensors, furnace equipment and electrical assemblies. Custom outside diameter, inside diameter, length, holes and end treatment are available.
Ceramic tube insulators are used when plastic insulation fails from heat, wear, chemicals or electrical stress.
Alumina tubes isolate wires, rods and metal components in compact electrical assemblies.
High-temperature ceramic tubes support heating wires, resistance elements and furnace equipment.
Ceramic tubes protect sensors from heat, abrasion and process environments.
Two-hole, four-hole and custom multi-hole tubes for routing conductors or separating electrical paths.
Tube-shaped insulators used as spacers, bushings, sleeves and standoff components.
Custom tube insulators made from drawings for equipment manufacturers and replacement projects.
Alumina is a practical material for ceramic tube insulators because it combines electrical insulation, heat resistance, hardness and stable production cost.
They electrically isolate wires, rods, heating elements, sensors and metal components in high-temperature or high-voltage equipment.
Alumina provides electrical insulation, heat resistance, hardness and chemical stability at a practical manufacturing cost.
Yes. HERUN can manufacture single-bore, multi-bore and perforated alumina tube insulators based on drawings and working conditions.