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SYS-B Green Hardness Tester ‘B’ scale 压缩行程 Compression stroke 2.5mm 负荷 Max load 980g 预压负载 Preloading load 50g 压头球形 Pressure header R=12.7mm 用于测定砂型(芯)的表面硬度
For measuring surface hardness of green sand moulds and green cores
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