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A method for the production of with not oxidized petroleum pitch impregnated fiber tubes
A method for the production of with not oxidized petroleum pitch impregnated fiber tubes
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机译:一种不氧化石油沥青浸渍纤维管的生产方法
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摘要
Disclosed is a pitch-impregnated fiber pipe having a surface coating of pitch containing aluminum pigment. The method of manufacture comprises suspending unimpregnated, conventionally manufactured porous fiber pipe tubes in a suspension of aluminum powder in the liquid pitch and forcing the pitch into the pores and interstices of the fiber pipe tubes.
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