檢測認證人脈交流通訊錄
| STZ直讀式透氣性測定儀 |
| STZ Permeability Meter |
| 測定型(芯)砂的透氣率 |
For the determination of the permeability of molding (core) sand |
通氣孔規(guī)格 Specifications of the Orifice |
大孔 large Orifice------ Ф 1.5mm |
小孔 Small Orifice ------Ф 0.5mm |
透氣率 Permeability-----b 0 – 2450 |


