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Graphite Anode Companies

IQS Directory provides an extensive list of graphite anode manufacturers and suppliers. Utilize our website to review and source graphite anode manufacturers with our easy-to-use features which allow you to locate graphite anode companies that will design, engineer, and manufacture graphite anodes for your exact specifications. Our request for quote forms make it easy to connect with leading graphite anode manufacturers. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for underground graphite anodes, polarized graphite anodes, or cathodic protection anodes.

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  • IQS Newsroom Featured Profile: Industrial Graphite Sales

    Graphite Anodes Industrial Graphite Sales has been a leader in the graphite industry for many years. Over the last fifty years, they have worked to build a reputation in the industry that is based on high quality products and a mutual respect between consumer and company. Industrial Graphite Sales supplies bulk and machined graphite that are used for a number of different applications in the graphite industry. They welcome all challenges, and will find a solution that will work for any project you may come in contact with. Images Courtesy...

  • Graphite and Electrical Currents

    For those who are not in the graphite machining industry or electrodes, anodes might not be a word you are familiar with. Anodes are an electrode. It is through these items that an electric current is able to flow into a polarized electrical device. Graphite anodes can be incredibly useful in conducting electrical currents to their polarized electrical devices. Often, they also go by cathodic protection anodes because of how they are a more easily corroded material. They are valued for their ability to protect the structural integrity of various...

Industry Information

Graphite Anodes

Graphite anodes are used because they are reliable and relatively cost-effective. In the process of cathodic protection, current density or rate of transfer isn’t a necessary factor of the process. It is important that the current keep flowing, but it does not need to achieve a certain rate or level. Therefore, even though graphite is a resistive material, it is highly ideal in these situations. The anodes are usually constructed from a combination of petroleum coke and coal tar pitch and are relatively easy to machine as finish or appearance is also not a determining factor in effectiveness. Used conjunctively with carbon graphite or other anode backfill, graphite anodes provide a long lasting solution and are one of the most commonly recycled graphite products as they contain few additives.

Custom specifications are often used to produce graphite anodes as they are typically application specific. Common approximate sizes are between 60 and 150mm in diameter and from 1200 to 1500mm long. The extruded graphite rods are baked in an oven and sintered to improve the density of graphite. They are typically extruded around a thin brass pin which is then connected to a cable in order to form the electrochemical cell necessary for the process of cathodic protection. Over time however, despite its durability and corrosion resistance, graphite will begin to break down, especially when used in the purpose of cathodic protection. However, some graphite anodes are treated with a non-porous quality non-conducting material such as oils, microcrystalline waxes or resins. The treatment of graphite anodes will ensure a higher level of performance, especially in wetter environments when exposure to moisture is prolonged or constant. The wax, resin or oil seals the porosity of the anode and protects it against water absorption as well as improving the stability and wear rate by reducing the electrochemical reactions within the anode. Applications such as dock-side uses and water tanks, as well as deep underground installations are recommended to pre-treat the anodes to ensure optimal performance.

Graphite Anodes
Graphite Anodes - Weaver Industries, Inc.

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