本文件定义 -？原再生天然橡胶的物理和化学试验，以及 -？用于评估再生天然橡胶硫化特性和机械性能的标准材料、标准试验配方、设备和加工方法。

This document defines —？the physical and chemical tests on raw reclaimed natural rubber, and —？the standard materials, standard test formulations, equipment, and processing methods for evaluating the vulcanization characteristics, and the mechanical properties of reclaimed natural rubber.