This standard specifies the requirements, inspection methods, inspection rules, and packaging, marking, storage and transportation of CR1211, CR1212, CR1213 and CR1221, CR1222, and CR1223 in the sulfur-adjusted chloroprene rubber CR121 series. This standard applies to CR1211, CR1212, CR1213, CR1221, CR1222, and CR1223 prepared by emulsion polymerization with chloroprene as monomer and sulfur as regulator.
GB/T 14647-2008 Referenced Document
GB/T 1232.1-2000 Rubber,unvulcanized-Determinations using a shearing-disc viscometer-Part 1:Determination of mooney viscosity
GB/T 1233-1992 Rubber,unvulcanized--Determination of prevulcanization characteristics--Shearing disk method
GB/T 15340-2008 Rubber,raw natural and raw synthetic.Sampling and further preparative procedures
GB/T 19187-2003 Sampling procedures for inspection of raw synthetic rubber
GB/T 21462-2008 Evaluation procedure of chloroprene rubber(CR)