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  • ISO 3601-3-1987 - 中外标准 - - 1987/12 - 作废
    This part of ISO 3601 defines and classifies surface imperfections on O-rings and specifies maximum acceptable limits for these imperfections, and it is also applicable to O-rings to be used in aerospace construction. Gives quality grades and definitions, and the table contains categories of surface imperfections together with schematic illustrations of these imperfections. An annex gives examples of surface imperfections (figures 1 to 8).
  • ISO/TR 8354-1987 - 中外标准 - - 1987/11 - 废止
    Specifies the requirements for one type of textile reinforced hose for use with air and water having a design working pressure from 0.7 to 1.4 MPa, dependent upon the bore size. The hose is designed for use in underground mining applications, where there is a specific requirements for the hose to have antistatic and flame-resistant properties. 3 tables with values of dimensions and physical properties.
    尺寸织物层橡胶制品橡胶软管采掘设备水(软)管作标记规范内胎DimensionsInner tubesMarkingMining equipmentRubber hosesRubber productsSpecificationsTextile pliesWater hoses
  • JC/T 749-1987(1996) - 中外标准 - - 1987/7 - 作废
    预应力自应力钢筋混凝土管橡胶密封圈钢筋混凝土建材
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    GB/T 3452.2-1987 - 中外标准 - - 1987/3 - 作废
    本标准规定了O形橡胶密封圈(简称O形圈)的外观质量检验标准。按O形圈缺陷的形状、特征和大小,对其表而缺陷做了分类及规定要求。
    环形密封圈天然橡胶质量质量名称与符号检验外部O型
  • HG/T 3090-1987 - 中外标准 - - 1987/3 - 现行
    模压橡胶制品外观质量规定
  • HG/T 3090-1987(1997) - 中外标准 - - 1987/3 - 现行
    模压压出橡胶制品橡胶制品外观质量天然橡胶化工
  • ISO 2878-1987 - 中外标准 - - 1987/2 - 作废
    Elimination or reduction are important in many applications. Charges can be dissipated by suitable leakage paths. Antistatic properties of an article are also influenced by its electrostatic charging characteristics. Only methods involving such leakage paths are considered. Addition of carbon black to a polymer allows to produce wide range of conductivity. Antistatic properties may also be produced by incorporating ionizable materials into the rubber mix. - Technical revision of the first edition.
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