标准摘要
[中文适用范围]： 本文件建立了加工未填充的聚四氟乙烯 (PTFE) 产品的标识系统，该产品可以以多种形式存在。用于制造半成品的 PTFE 可在 ISO 20568-1 中描述。用于制造半成品的 PTFE 可以是原始树脂、再加工树脂或再生树脂。最多可加入 1,5 % 的颜料或染色剂（按质量计）。 [外文原描述]： This document establishes a system of designation for processed unfilled polytetrafluoroethylene (PTFE) products, which can occur in several forms. The PTFE used to make the semi-finished product is described in ISO 20568-1. The PTFE used to make the semi-finished product are virgin, reprocessed or recycled resin. The addition of up to 1,5 % by mass of pigment or colorant can be used.
英文名称Plastics — Polytetrafluoroethylene (PTFE) semi-finished products — Part 1: Requirements and designation