橡胶.液压流体和标准合成橡胶材料间的兼容性

[中文适用范围]： 本国际标准规定了评估液压流体对按特定工艺制造的标准弹性体材料影响的方法。它允许将流体与标准弹性体进行基线比较。包括：a) 丙烯腈-丁二烯橡胶（NBR 1 和 NBR 2）；b) 氟橡胶（FKM 2）；c) 乙烯丙烯二烯橡胶（EPDM 1）；d) 氢化丙烯腈-丁二烯橡胶（HNBR 1）。本国际标准提供了五种类型弹性体配方的配方、混合工艺和硫化工艺。这些程序通过测量标准测试样品在受控条件下浸入流体前后的物理性能，评估矿物基、防火和生物降解液压流体对这些配方的影响。本国际标准不提供用于实际服务的弹性体材料配方，尽管如有需要，可以使用这些兼容性程序测试服务弹性体。注：这些配方中使用的弹性体材料对流体变化敏感，并且具有相对较高的溶胀特性。可以使用稳定的固化系统来提供足够的储存寿命。 [外文原描述]： ISO 6072:2011 specifies test methods for evaluating the effect of hydraulic fluids on standard elastomeric materials that have been manufactured in accordance with specified processes. It allows baseline comparisons of fluids with standard elastomers. The standard provides formulations, mixing procedures and vulcanization procedures for five types of elastomeric composition: acrylonitrile-butadiene rubbers (NBR 1 and NBR 2), fluorocarbon rubber (FKM 2), ethylene propylene diene rubber (EPDM 1) and hydrogenated acrylonitrile-butadiene rubber (HNBR 1). These procedures evaluate the effect of mineral-based, fire-resistant and biodegradable hydraulic fluids on such compositions by measurement, under controlled conditions, of physical properties of standard test pieces of the elastomer before and after immersion in the fluids. The standard does not provide formulations of elastomeric materials for actual service, although service elastomers may be tested using these compatibility procedures if required.