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Technical Characteristic
1. Exothermic welding
Exothermic welding is a simple, high-efficiency, and high-quality metal joining process. It uses the chemical reaction heat of metal compounds as a heat source, and directly or indirectly heats the overheated (reduced) molten metal to work in a special graphite mold. A welded joint of a certain shape and size is formed in the cavity to meet the engineering requirements. At present, exothermic welding has generally replaced the previous mechanical...
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Technical Characteristic
Main performance of graphite heater
The oxidation speed and volatilization speed of graphite affect the service life of the heating element. When the vacuum degree is 10-3~10-4 mmHg, the operating temperature should be below 2300℃. In the protective atmosphere (H2, N2, Ar, etc.), the operating temperature can reach 3000℃. Graphite cannot be used in the air, otherwise it will be oxidized and consumed.
The thermal expansion coefficient of graphite is small, and the size...
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Technical Characteristic
Compared with copper, EDM graphite has the following advantages:
1.Machining speed: high speed rough milling is 3 times of copper block, and high speed fine milling is 5 times of copper block.
2.Good machinability, complex geometric molding is available.
3.Light weight, low density (less than 1/4 of copper), easy to clamp.
4.It can reduce the number of single electrodes, because it can be bundled into composite electrodes.
5.Good thermal stability and no deformat...
Graphite felt
Graphite felt is divided into pitch-based graphite felt, polyacrylonitrile-based (PAN-based) graphite felt, and viscose-based graphite felt due to the different selection of original felts. The main purpose is to be used as heat preservation and heat insulation materials for monocrystalline silicon smelting furnaces. In the chemical industry, it can be used as a filter material for high-purity corrosive chemical reagents.
Carbon felt is graphite felt after being treated at a hig...
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Technical Characteristic
1. Exothermic welding
Exothermic welding is a simple, high-efficiency, and high-quality metal joining process. It uses the chemical reaction heat of metal compounds as a heat source, and directly or indirectly heats the overheated (reduced) molten metal to work in a special graphite mold. A welded joint of a certain shape and size is formed in the cavity to meet the engineering requirements. At present, exothermic welding has generally replaced the previous mechanical...
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Square graphite boat
The graphite boat itself is a kind of carrier, which can put the raw materials and parts that we need to position or shape together in it for high-temperature sintering. The graphite boat is made of artificial graphite through mechanical processing. So it is sometimes called a graphite boat, and sometimes it is called a graphite boat.
Graphite half circle is mainly used in various vacuum resistance furnaces, induction furnaces, sintering furnaces, brazing furnaces, ion ni...
Ningheda Graphite material Advantages
1.Graphite raw material has high bulk density and low porosity, which resists the erosion of molten aluminum liquid and gaseous aluminum particles to the greatest extent.
2.Graphite raw material with high purity, low ash content prevents volatile substances in production, avoiding spots, holes on aluminum coated film, which can guarantee the quality of the aluminum coated film.
3.Graphite crucible has precise dimensions, smooth surface, strong oxidation r...
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Ningheda Graphite material Advantages
1.Graphite raw material has high bulk density and low porosity, which resists the erosion of molten aluminum liquid and gaseous aluminum particles to the greatest extent.
2.Graphite raw material with high purity, low ash content prevents volatile substances in production, avoiding spots, holes on aluminum coated film, which can guarantee the quality of the aluminum coated film.
3.Graphite crucible has precise dimensions, smooth surface, strong oxidation r...
In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of China OEM China High Purity Graphite Moulds for Copper Rod Continuous Casting Machine, You should do not wait to make contact with us should you be interested inside our products and solutions. We firmly believe that our products will make you contented.
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We insist around the principle of enhancement of ‘High good quality, Performance, Sincerity and Down-to-earth working approach’ to provide you with superb assistance of processing for China Vaporized Aluminum Vacuum Coating Graphite Crucible for High-Quality Plastics films, Our business has been devoting that “customer first” and committed to helping shoppers expand their small business, so that they become the Big Boss !
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We have been committed to offering easy,time-saving and money-saving one-stop purchasing service of consumer for Big Discount Aluminum Evaporation Graphite Crucible From China, We focus on producing own brand and in combination with quite a few experienced phrase and first-class equipment . Our goods you worth have.
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we could supply high quality solutions, aggressive value and greatest customer support. Our destination is “You come here with difficulty and we provide you with a smile to take away” for Factory For China High Density Graphite Plate for Tungsten Cemented Carbide Powder Sintering, We have been anticipating to cooperate along with you around the foundation of mutual rewards and common enhancement. We’re going to never disappoint you.
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We are ready to share our knowledge of marketing worldwide and recommend you suitable products at most competitive prices. So Profi Tools offer you best value of money and we are ready to develop together with Competitive Price for China Oxidation Resisdant Graphite Crucible/Boat Supply, We’re glad that we have been steadily increasing with the lively and long-term aid of our satisfied buyers!
We are ready to share our knowledge of marketing worldwide and recommend you suitable products...