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Buyers often choose between isostatic and extruded graphite columns for furnace hot zones. Their property differences decide service life and stability. Dongguan Jiecheng Graphite machines both grades to match your furnace load and cycle conditions.
Isostatic Graphite Column
Features: isotropic performance, high compressive strength, good thermal shock resistance, consistent wear. It handles frequent thermal cycles and heavy load without easy cracking.
Best for: precision sintering, semiconductor furnaces, high-cycle vacuum thermal fields, parts with complex machined connections.
Extruded Graphite Column
Features: cost-effective, available in large sizes, suitable for static low-load support. Its performance is directional and easier to chip across grain.
Best for: simple furnace support, low-temperature inert atmosphere, non-critical structural brackets.
Typical Applications
Isostatic graphite columns: MIM sintering, ceramic sintering, semiconductor thermal fields.
Extruded graphite columns: general vacuum furnace simple support, low-load insulation frame.
Confirm your load weight, cycle frequency and purity requirement before ordering. Jiecheng Graphite’s engineering team recommends the proper graphite grade and finishes custom machining globally.
