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How to distinguish the quality of graphite grounding wire

Time:2022-08-13

The graphite grounding wire is in the shape of a cable and is made of high carbon graphite and other materials through advanced production processes. Belonging to non-metallic conductive materials, it is corrosion-resistant, rust resistant, does not withstand high current impact, resistant to high and low temperatures, has stable grounding resistance, is maintenance free, update free, safe and reliable, has a high overall cost-effectiveness, and has huge advantages in all aspects. Graphite grounding wire has been widely used in the lightning protection and grounding industry due to its strong advantages, but with it comes the problem of product quality assurance. Nowadays, there are many counterfeit products on the market, and how to distinguish between good and bad has become a top priority. Below, the editor of graphite based flexible grounding body will lead you to understand it together.


Flexible graphite grounding wire is made by processing expanded graphite with various reinforcing materials such as fibers and metal wires, and adding adhesives. The editor of the graphite based flexible grounding body reminds everyone that expanded graphite packing, also known as flexible graphite packing, is made of flexible graphite wire woven through the center, and is woven from glass fiber reinforced graphite wire to reduce the loss on ignition of the product. Expanded graphite packing has good self-lubricating and thermal conductivity, low friction coefficient, strong versatility, good flexibility, and high strength.


To determine which type of packing is good, one should choose based on the working conditions. The editor of the graphite based flexible grounding body reminds everyone that the quality of the packing should be judged by its appearance and strength, to see if the appearance color is smooth. High quality graphite packing has a black and bright color, and to see if there are graphite chips falling off when gently bent by hand. Poor graphite packing will have graphite chips falling off.


The editor of graphite based flexible grounding body reminds everyone that the carbon content of graphite and the metal wires added inside should be the main factors for graphite packing. The best carbon content of graphite is generally above 98%, and the best metal wires are those added with nickel wire. These cannot be seen from the surface and generally need to be tested. The editor of the graphite based flexible grounding body reminds everyone that regular products are processed through special processes. The product is inert, has excellent chemical properties, corrosion resistance, high temperature resistance, and is suitable for special soil environments such as acidic and alkaline soils. Imitation products only use the purchased packing directly or change its appearance before use. The product has unstable performance and is prone to safety hazards such as ground potential counterattack. After being buried for a period of time, it will corrode and break, making it completely unsuitable for lightning protection and grounding.