無錫建儀雷氏夾主要用于灌注水泥凈漿,經養護成型及沸煮后,測定試件的安定性能。產品符合GB/T1346、ISO9597、JC/T954標準要求 LJ-175 Ray`s clamp is mainly used for pouring cement slurry, after curing and boiling, to measure the stability of the specimen. The products meet the requirements of GB/T1346 and ISO9598 standards.