Copper graphite material: M120P, a kind of mechanical mechanical seals

What is copper graphite material or copper impregnated graphite material? What is mechanical graphite? What are the characteristics of copper graphite material? What are the main applications of copper graphite? What is the properties/ data sheet of copper graphite material and what is the main grade of copper graphite? How about the price of copper graphite? In this article, we will give a brief introduction!

copper graphite-M120P-mechanical carbon (2)

copper graphite-M120P-mechanical carbon (2)

Key words: copper graphite, mechanical graphite, graphite seals, copper graphite, carbon graphite, mechanical seals

Copper graphite material , is a special material of self-lubricating material, according to the different USES and conditions, choose different copper graphite material. It has high bearing capacity, impact resistance, high temperature resistant, self-lubricating specifically ability etc., e for overloading, low-speed, reciprocating or swing, difficult to lubrication and oil film formation, not afraid of the water and other acid erosion and erosion. Current products have been widely used in metallurgical continuous casting machine, rolling just equipment, mining machinery shipping, steam turbine, water turbine, injection molding machine and equipment in the production line.
Grades: M106P, M120P, M254P, The main grade of copper graphite is M120P

The copper graphite material data sheet /properties, M120P, is as follows:

Type Grade Resin type Shore hardness Bending strength Compressive strength Open porosity Bulk density C.T.E Max.temp
MPa MPa % g/cm3 10-6/
Metal-graphite M106D Antimony (D) 75 55 170 3 2.2 5.0 500
M120D 70 50 140 3 2.2 5.0 500
M158D 80 55 180 3 2.2 5.0 500
M169D 80 60 200 2.0 2.2 5.0 500
M170D 70 40 120 2.0 2.2 5.0 500
M254D 35 35 65 3.0 2.2 4.5 500
M120P Copper (P) 65 65 200 3.0 2.4 400
M152P 60 77 250 2.0 2.6 400
M158P 65 70 240 2.0 2.4 400
M254P 40 45 120 2.0 2.6 6.0 400
M256P 65 77 200 2.0 2.6 6.0 400
M262P 35 35 80 5.0 2.6 400

In addition to copper graphite, CFCCARBON CO., LTD also provides antimony graphite, resin graphite and other mechanical sealing materials and processed parts.
You can see a video of mechanical graphite below:

Because carbon copper graphite has many unique advantages, its application range is rapidly expanding and its varieties are increasing, especially the emergence of various composite carbon copper graphite, which improves the strength, toughness and other properties of carbon copper graphite. Wider range of use. Bearings include sliding bearings and rolling bearings. Carbon materials are used exclusively in the manufacture of plain bearings. Various carbon bearings mainly include: bearings for plywood dryers, bearings for waterproof pumps, bearing sleeves for plywood manufacturing machinery, bearings for submersible pumps, bearings for gasoline flowmeter parts, and bearings for chemical pumps.

mechanical seal

mechanical seal

Copper graphite has complete specifications, rich models, convenient installation and wide application range. The main applications are as follows:
1. It is used in places where grease lubrication is not allowed during bearing operation.
2. Used in chemical and textile industries
3. Used in places where ordinary bearings cannot be used due to high temperature
In short, the development of modern military, economy and industry has put forward higher requirements for carbon copper graphite, and high-density, high-strength carbon graphite materials are becoming more and more popular. The performance of carbon copper graphite can be improved by refining the particle size of raw materials, improving the impregnation process, and adding additives such as carbon fiber, polytetrafluoroethylene, and molybdenum disulfide to the carbon graphite matrix. Bearings M209F and composite carbon copper graphite used in the printing and dyeing industry are successful improvements to the original carbon copper graphite, enabling them to adapt to new environments and prolong their service life. Parts such as seal rings and bearings are used in various fields. It can be seen that their application needs further development.
Bearings are a kind of sliding parts commonly used in the machinery industry, and the materials are different from metal, non-metal and composite materials. Copper graphite is a copper graphite developed and developed on the basis of metal bearings with the performance requirements of mechanical equipment, with graphite material as the main base material.
Bearings are divided into rolling bearings and sliding bearings. Graphite lubricated bearings are mostly used for sliding bearings. Applied to the bearings of conveyors, dryers, textile machines, submersible pump motors in food, beverage, textile, chemical and other industrial sectors. If these parts are used with grease lubricants, it will inevitably cause pollution, and the self-lubrication of copper graphite is very good. Strong, corrosion-resistant, and can operate for a long time without using lubricating oil.
Lubricants for graphite inlaid bearings are generally solid lubricants, which are synthesized from a variety of substances with good lubricating properties, and are embedded in bearings and sliders to play a self-lubricating solid material. Under certain conditions, it can replace traditional lubricants to achieve good self-lubricating effect.
Copper graphite has more advantages than metal bearings, mainly in: self-lubricating, high temperature resistance, corrosion resistance, light weight, etc. Bearings are divided into rolling bearings and sliding bearings, and copper graphite is mostly used for sliding bearings. Applied to the bearings of conveyors, dryers, textile machines, submersible pump motors in food, beverage, textile, chemical and other industrial sectors. If these parts are used with grease lubricants, it will inevitably cause pollution, and the self-lubrication of copper graphite is very good. Strong, corrosion-resistant, and can operate for a long time without using lubricating oil.
Wear of copper graphite: The wear of copper graphite depends on its material, shaft material and surface condition, total pressure, speed and surrounding environment and other factors. Generally speaking, the static friction of copper graphite is smaller than that of metal bearings in the same situation. The wear resistance of copper graphite based on copper graphite has been greatly improved.
Copper graphite has complete specifications, abundant models, easy installation and wide range of applications. The main application areas are as follows:
1. Applied in the place where the use of grease lubricant is not allowed when the bearing is running
Examples include conveyors used in food, beverage, textile, chemical and other industrial sectors. The use of grease lubricants is prohibited in these places, and carbon-copper graphite has strong self-lubricating properties and can perform dry running without the use of lubricating oil. Therefore, it can be widely used in these departments.
2. Applied in places where ordinary bearings cannot be used due to high temperature
Carbon-copper graphite can be used for the bearings of ingot conveyors, boiler preheaters and flame tube ventilation doors and blowers in boiler rooms, high-temperature furnace conveyors, feeders in the iron and steel industry, and flue valve regulators, etc. to ensure its normal operation.
3. Applied in chemical and textile industries
Some bearings operate in corrosive gases or liquids. In this case, not only the use of grease lubricants is prohibited, but also the metal bearings will be corroded quickly. Copper graphite is widely used in these industries due to its corrosion resistance.

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