无锡建仪水泥抗压夹具主要用于水泥抗压强度的检验。40×40mm水泥抗压夹具GB/T17671、JC/T683标准要求。 Compression jig 40mm×40mm Purpose The jig is produced in accordance with the China Building Material Industry Standard JC/T 683-1997 for fixing standard cement specimen to the compression testing machine to detemine the compression strengh of cement. It is the standard apparatus specified in (ISO test method )GB/T 17671-1999.