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Graphite Sealing Rings

Antimony Impregnated Graphite Ring

Antimony-impregnated graphite seal ring for pumps and valves handling aggressive fluids. Impregnation closes open porosity, providing improved chemical resistance and reduced fluid permeation vs standard graphite.

Custom sizes OEM accepted
Antimony Impregnated Graphite Ring
Product overview

An antimony impregnated graphite ring is a special type of seal ring made by mixing graphite with antimony. Graphite is a black, smooth material that can handle high heat. When we add antimony to it, the graphite becomes stronger, harder, and even more resistant to heat and chemicals.

These rings are often used in machines that work in hot, high-pressure, or chemical environments, such as in chemical factories, oil plants, or power stations.

Main Features of Antimony Impregnated Graphite Ring:

  1. Can Handle High Temperatures: These rings do not melt or break in very hot conditions. They can work well even at temperatures up to 800ยฐC, which is much hotter than boiling water.
  2. Strong Against Chemicals: The ring does not get damaged easily by acids, oils, or other harsh chemicals. Thatโ€™s why it's great for chemical processing machines.
  3. Smooth Surface โ€“ Low Friction: The ring has a very smooth surface, which helps parts of the machine move easily. This reduces wear and tear, making the machine last longer.
  4. Very Strong and Stiff: The ring is hard and does not bend easily. It keeps its shape under high pressure, which makes it reliable in heavy-duty machines.
  5. Spreads Heat Evenly: This type of ring helps spread heat quickly and evenly, which is important in machines that heat up fast or cool down suddenly.

Where Are These Rings Used?

These rings are used in:

  • Pumps
  • Valves
  • Compressors
  • Furnaces
  • Chemical and oil machines

Anywhere there is heat, pressure, or chemicals โ€” this ring is a good choice.

โœ… 5 Simple Advantages:

  1. Long-Lasting: The ring is tough and lasts a long time, so you donโ€™t have to replace it often.
  2. Works in Harsh Conditions: It does not get damaged easily by heat or chemicals.
  3. Reduces Machine Damage: Because it is smooth, it keeps machines running smoothly with less damage.
  4. Very Strong: It doesnโ€™t break or change shape under pressure.
  5. Good with Heat: It helps move heat away fast, keeping machines safe and working well.
Why Expo Advanced Materials
TOYO TANSO Japan authorised partner โ€” premium isostatic graphite grades with full raw-material traceability
Qualified supplier to SECO/WARWICK โ€” supplying graphite components to their global vacuum furnace operations
Full MTC + dimensional inspection report with every shipment
Custom machined to your DXF, STEP, PDF or IGES drawings within 2โ€“4 weeks
ISO 9001:2015 certified | Export to 16+ countries | 24-hour quote turnaround

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ISO 9001:2015
Certified
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16+ Countries
Export ready
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Custom OEM
Any spec
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Test Certs
Supplied
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