介绍了不含氯的未粘合天然橡胶和未粘合合成橡胶的方法，以及相应的未粘合胶乳。介绍了原理、试剂、仪器、取样和程序，特别是试样的制备。给出了所需的特殊预防措施和保障措施。

Deals with the method given for uncompounded natural rubber and uncompounded synthetic rubbers which do not contain chlorine, and the corresponding uncompounding latices. Principle, reagents, apparatus, sampling and procedure, especially the preparation of the test piece are described. Special precautions and safeguards required are given.