| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide fibrous basic magnesium sulfate powders exhibiting improved physical property-improving effect when dispersed in a resin material. <P>SOLUTION: A fibrous basic magnesium sulfate powder does not contain CO<SB POS="POST">2</SB>in an amount of more than 0.15 mass%, or a fibrous basic magnesium sulfate powder has a ratio of the infrared absorption within the wave number range of 1,400-1,440 cm<SP POS="POST">-1</SP>relative to the infrared absorption within the wave number range of 3,180-3,530 cm<SP POS="POST">-1</SP>of 0.005 or less. <P>COPYRIGHT: (C)2013,JPO&INPIT |
