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Manufaturing technique of refractory products is similar with that of common graphtie prodcut. The basic process are as follows: Selecting Raw Material → Heating Raw Material → Smashing → Compounding → Molding Biscuit → Drying →Presintering Biscuit →Rough Machining →Sintering → Final Machining → Inspecting→ Finished Product. 1. Selecting Raw Material When peolple are selecting raw material, they should take application into consideration. Most raw material is chemical material, only a few raw material is raw mineral materials. Usually, we can get raw material from market. And some special raw material should be compound by people themselves. In general，the purity of raw material is very high. For example, when people produce magnesia carbon brick, content of magnesium oxide should exceed…
Carbon Fiber Composite is a new kind of structual material which developed obviously in recent ten years. Carbon fiber can be composited with resin, plastic, glass, ceramic, metal and other material, after which the material become high in strength, light in weight and good in rigidity. All in all development prospect of carbon fiber composite material is really wide. Carbon fiber composite material can reduce the weight of aircraft, missiles, spacecraft in a large extent, which is a very nice way to improve payload of those craft. For example, some foreign aircraft and missiles reduce 20% to 30% weight by replace its material by carbon fiber composite. When intercontinental missiles and satellites are flying at a high speed, high temperature…
Activated carbon fiber felt is a kind of high efficient adsorption material which is made of man-made fiber by low temperature carbonization, high temperature carbonization and activation. The product has abundant micropores and high specific surface area, low acid, alkali and ash content, good conductivity and chemical stability; the product has not only excellent adsorption performance, but also has good ability of reduction, adsorption and desorption speed, it can be used repeatedly. This product is mainly used for organic solvent recovery, air purification, sewage treatment, medical care, protective clothing, electronic and energy field, corrosion resistance and high temperature resistance environment. The material can be used for making air filter, activated carbon fiber felt can adsorb the O3 ,SO2 and NO2…
