| 摘要 |
The invention concerns a method for detecting localized defects, such as hot spots or wet spots, present in a mat of mineral fibers bonded by a binder, including using a microwave radiation of frequency ranging between 1 and 50 GHz, preferably between 5 and 10 GHz, the total power of the emitted electromagnetic wave ranging between 0.1 and 5 watts, preferably of the order of 1 watt. The invention also concerns a device for implementing said method as well as an installation for continuously making mineral fiber mats containing said device. |
