Research Article
Optimization and Hydration Mechanism of Composite Cementing Material for Paste Filling in Coal Mines
Table 4
Testing instruments for composite cementing material.
| | Instrument | Supplier |
| | NJ-160A cement paste mixer | Cangzhou Luda Building Instrument Factory | | Cement Vicat apparatus | Cangzhou Jilu Testing Instrument Co., Ltd. | | SC-145 cement consistometer | Cangzhou Jilu Testing Instrument Co., Ltd. | | GZ-85 cement mortar shaking table | Wuxi Jianyi Laboratory Equipment Co., Ltd. | | JJ-5 cement mortar mixer | Wuxi Jianyi Laboratory Equipment Co., Ltd. | | 70.7 × 70.7 × 70.7 mm3 triplex testing mold | Cangzhou Jilu Testing Instrument Co., Ltd. | | YH-40B thermostatic and constant humidity box | Hebei Kexi Instruments and Equipment Co., Ltd. | | YAW-400 pressure tester | Jinan Haiweier Instrument Co., Ltd. | | CP2202S electronic balance | Shenzhen Mingke Chemicals Co., Ltd. | | Beakers and measuring cylinders | Shenzhen Ruixinda Scientific and Educational Instruments Co., Ltd. |
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