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ALUMINA FIBERS, ALUMINA FIBER AGGREGATE, AND RETAINING MATERIAL FOR USE IN EXHAUST GAS PURIFICATION DEVICE
The present invention relates to an alumina fiber having the content of sodium oxide of 530 to 3,200 ppm and a mass ratio (A/B) of the content (A) of the sodium oxide to the content (B) of calcium oxide of 5 to 116.
ALUMINA FIBERS, ALUMINA FIBER AGGREGATE, AND RETAINING MATERIAL FOR USE IN EXHAUST GAS PURIFICATION DEVICE
The present invention relates to an alumina fiber having the content of sodium oxide of 530 to 3,200 ppm and a mass ratio (A/B) of the content (A) of the sodium oxide to the content (B) of calcium oxide of 5 to 116.
ALUMINA FIBERS, ALUMINA FIBER AGGREGATE, AND RETAINING MATERIAL FOR USE IN EXHAUST GAS PURIFICATION DEVICE
AIKYO TERUHIRO (Autor:in) / OSHIMA YASUTAKA (Autor:in) / OHASHI HIROYUKI (Autor:in) / FUJI KOICHI (Autor:in) / GOTO YOSUKE (Autor:in)
01.04.2021
Patent
Elektronische Ressource
Englisch
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