High Quality Mineral Samples Shrinkage Sampling Sealed Riffle

sealed riffle is designed and manufactured according to the regulations of national standard GB474-2008, which is an indispensable tool for shrinking coal samples. It is composed of sealing shell, slot, hopper, dustpan and so on. The slot is not less than 60 degrees. The main features are reasonable structure, convenient use, multi-point shrinkage performance and strong representativeness, which can greatly improve the efficiency and quality of sample preparation, that is suitable for shrinkage sampling of coal, mineral samples or other non-uniform granular materials.