Cotton Fiber Packing (Graphite Impregnated)

Cotton Fiber Packing (Graphite Impregnated)

Core Features

  • Natural Long-Staple Cotton Base: Braided from high-quality, long-fiber cotton yarns. Cotton provides a soft, highly flexible, and resilient matrix that conforms easily to even slightly worn or pitted shafts.
  • Deep-Soak Graphite Impregnation: Every individual strand is vacuum-impregnated with high-purity micronized graphite. This ensures the lubricant is present throughout the entire cross-section of the packing, not just as a surface coating.
  • Low Friction & Heat Dissipation: The integrated graphite acts as a permanent dry lubricant, significantly reducing the coefficient of friction. This allows for smoother operation and helps pull frictional heat away from the shaft interface.
  • Non-Abrasive Hardware Protection: Cotton is one of the gentlest fibers available. It provides a reliable seal without any risk of scoring or wearing down soft metal shafts, such as bronze, brass, or untreated stainless steel.
  • Superior Absorbency: The natural cellular structure of cotton allows it to retain a high volume of internal lubricants and process fluids, ensuring the packing remains soft and pliable rather than becoming brittle.
  • Economical Sealing Solution: Offers a very cost-effective choice for general-purpose applications where the high-temperature or chemical-resistance properties of synthetic fibers are not required.

At Kriloha Ltd., we believe that “Classic Reliability” still has a vital place in modern industry. While high-tech synthetics have their role, for standard water service, the natural resilience of cotton is hard to beat. The Kriloha Graphite-Treated Cotton Packing is our engineered answer for “Gentle-Service” universal containment. As a premier global provider of industrial seals, Kriloha Gaskets has mastered the Square-Plait Braid technology required to turn natural vegetable fibers into a high-performance fluid barrier.

The engineering of our Cotton series is based on Fibre Conformability. Unlike stiffer synthetic yarns, cotton “breathes” and adjusts to the mechanical run-out of older equipment. At Kriloha, we utilize a specialized graphite dispersion that fills the microscopic gaps between the braided yarns. This creates a dense, leak-proof barrier that remains soft and pliable over thousands of hours of operation. We ensure the graphite is locked deep within the core, preventing it from “washing out” during high-flow water service.

Manufacturing this packing at Kriloha involves strict Fiber-Purity Calibration. We ensure our cotton yarns are free from seeds, husks, or low-grade fillers that could degrade or cause shaft wear. Whether you are sealing a municipal water pump or a marine stern gland, Kriloha Graphite-Treated Cotton Fiber Packing provides the mechanical simplicity and hardware safety your facility demands. By choosing Kriloha Ltd., you are investing in a “Time-Tested” technology that maximizes your equipment uptime while remaining budget-friendly.

Primary Use Cases

  • Municipal Water Pumps: The standard choice for handling cold water, drinking water, and mild wastewater in residential and industrial sectors.
  • Marine Stern Glands: Providing a classic, reliable seal for propeller shafts and bilge pumps on boats and commercial vessels.
  • Agricultural Irrigation: Ideal for high-volume water pumps where ease of maintenance and low cost are primary factors.
  • Hydraulic Accumulators: Used in low-pressure hydraulic systems and water-wheel applications.
  • General Utility Service: Sealing valves and pumps handling non-corrosive fluids, oils, and neutral liquids at moderate temperatures.
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FAQs

Why use Cotton instead of PTFE or Aramid?

Cotton is significantly more economical and much gentler on shafts. If you are pumping clean water at low to moderate temperatures, cotton provides an excellent seal without the high cost of specialty synthetics.

Will this packing rot in water?

While natural fibers can be prone to biological growth, Kriloha’s heavy Graphite Impregnation acts as a protective barrier, significantly extending the life of the fiber in stagnant or seawater environments.

What is the maximum temperature for Cotton packing?

Cotton is designed for moderate temperatures, typically up to +100°C to +120°C (212°F to 248°F). For steam or high-heat applications, Kriloha recommends our Carbon or Graphite series.

Does it require a specific “leak-off” rate?

Yes. A steady drip (approx. 10–15 drops per minute) is essential. Because cotton is an organic fiber, it relies on this leak-off to dissipate heat and prevent the fiber from charring or hardening.

How do I install Graphite-Treated Cotton Packing?

Cut the packing into rings with a 45° miter joint. Stagger the joints by 90°. During startup, tighten the gland nuts finger-tight and adjust slowly as the pump reaches operating speed to ensure the graphite can establish a lubricating film.

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