1.1本标准提供了由D-20塑料委员会管辖的标准中的术语汇编。 1.2本标准旨在为术语及其定义提供单一来源，这些术语及其定义已通过D-20塑料委员会内的协商一致过程标准化。本标准的目的不是提供术语和定义标准化的媒介。

1.1 This standard provides a compilation of terminology in the standards under the jurisdiction of Committee D-20 on Plastics. 1.2 It is the purpose of this standard to provide a single source for terms and their definitions that have been standardized by the consensus process within Committee D-20 on Plastics. It is not the purpose of this standard to provide a medium for standardizing terms and definitions.