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【国外标准】 Standard Practice for Repair of a Rigid Cellular Polyurethane Insulation System on Outdoor Service Vessels

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标准简介标准简介

适用范围:

This practice covers the repair of rigid cellular polyurethane insulation systems on outdoor service vessels operating within a specified temperature range. Before any repairs are performed, all damaged nonadhering foam should be removed up to the dry, solidly adhering layer and the remaining foam insulation should then be beveled on all sides. If the existing substrate primer is damaged, it should be wire-brushed and reprimed where feasible. To protect the surrounding undamaged area, a covering should be installed around the area that needs to be repaired prior to the application of spray foam. Repairs shall be made in accordance with the prescribed procedure.1.1 This practice covers the repair of spray-applied polyurethane insulation on vessels normally operating at temperatures between −30 and +107°C [−22 and +225°F].1.2 Warning—At temperatures below 0°C [32°F] the application of a spray “foam” directly onto the cold substrate may not be possible. The term “foam” applies to spray-applied polyurethane or polyisocyanurate (PUR or PIR) rigid cellular plastic only, and not to any other plastic insulation.1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statement see 1.2.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

基本信息

  • 标准号:

    ASTM C950/C950M-08(2023)

  • 标准名称:

    Standard Practice for Repair of a Rigid Cellular Polyurethane Insulation System on Outdoor Service Vessels

  • 英文名称:

    Standard Practice for Repair of a Rigid Cellular Polyurethane Insulation System on Outdoor Service Vessels
  • 标准状态:

    Active
  • 发布日期:

  • 实施日期:

  • 出版语种:

标准分类号

  • 标准ICS号:

    83.100
  • 中标分类号:

关联标准

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  • 被以下标准替代:

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出版信息

  • 页数:

    2 页
  • 字数:

  • 开本:

其他信息

  • 起草人:

  • 起草单位:

  • 归口单位:

    C16.40
  • 提出部门:

  • 发布部门:

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