橡胶 原料自然 - 技术指定橡胶（Tsr）规格指南

[中文适用范围]： 本文件规定了技术指定橡胶 (TSR) 规格的指导。 基于天然橡胶含量的来源和橡胶所表现出的性能，提出了分级系统。 本文件供参与 TSR 采购的各方使用，并旨在形成一个基础，在此基础上可以更严格地规定特定情况的要求。 因此，它描述了一些需要相关各方之间达成适当协议的标准。 [外文原描述]： This document specifies guidance on the specification of technically specified rubber (TSR). A grading system is proposed, based on the origin of the natural rubber content and on properties exhibited by the rubber. This document is intended for use by parties involved in the procurement of TSR and is intended to form a basis from which requirements for a particular case may be more closely specified. As such, it describes a number of criteria that need to be the subject of appropriate agreement between the interested parties.