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Product Code:SAE J3000
Title:Thermoplastic Elastomer Classification System (Cancelled Oct 2009, Superseded by J2558)
Issuing Committee:Committee On Automotive Rubber Specs
Scope:This classification system tabulates the properties of thermoplastic elastomers (TPEs) that are intended for, but not limited to, use in automotive applications.For the purposes of this document a TPE is defined as a polymeric material that, without further chemical modification, is capable of recovering from deformations quickly and forcibly and is also capable of being repeatedly softened by heating and hardened by cooling within a temperature range characteristic of the material.When the TPE product is to be used for purposed where the requirements are too specific to be completely prescribed by this classification system, it is necessary for the plurchaser to consult the supplier in advance to establish the apropriate propeties, test methods, and specification test limits.This classification system is based on the premise that the properties of TPEs can be arranged into characteristic material designations. These designations are determined by type, based on resistance to heat aging; and class, based on resistance to volume change resulting from oil immersion. Basic levels are thus established which, together with values describing additional requirements, permit complete description of the propeties of all TPEs.In all cases where provisions of this classificaiton system would conflict with those of the detailed specifications for a particular product, the latter shall take precedence.this classificaiton is based on SI units.

标准名称：	正丁基锂
发布部门：	中华人民共和国工业和信息化部
发布日期：	2012-11-07
实施日期：	2013-03-01
首发日期：
作废日期：
出版社：	中国标准出版社
出版日期：	2013-03-01

本标准规定了正丁基锂的要求、试验方法、检验规则和标志、包装、运输、贮存、质量证明书及合同(或订货单)内容。
本标准适用于由金属锂和氯代正丁烷为原料反应制得的正丁基锂。本产品主要用于橡胶、制药和液晶等行业。

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