Findings show that the reflection loss band width of 60%vol. magnetic fly-ash hollow cenosphere composite is 6.6GHz above 5dB.

• 实验结果表明；60%25(体积分数)的富铁空心微珠的吸波性能；在2~18GHz测试频率范围内>5dB的有效频带宽度达到6.；6GHz。