GB/T 25997-2020
Polyisocyanurate（PIR） products for thermal insulation (English Version)

Standard No.
GB/T 25997-2020
Language
Chinese, Available in English version
Release Date
2020
Published By
国家市场监督管理总局、中国国家标准化管理委员会
Latest
GB/T 25997-2020
Replace
GB/T 25997-2010
Scope
This standard specifies the classification and labeling, requirements, test methods, inspection rules and marking, labeling, packaging, transportation and storage of polyisocyanurate products (PIR) for thermal insulation. This standard is applicable to polyisocyanurate products produced with polyol/polyisocyanate as the main raw material and operating temperatures between -183°C and 150°C.

GB/T 25997-2020 Referenced Document

  • GB 8624-2012 Classification for burning behavior of building materials and products
  • GB/T 10294 Thermal insulation.Determination of steady-state thermal resistance and related properties.Guarded hot plate apparatus
  • GB/T 10295 Thermal insulation.Determination of steady-state thermal resistance and related properties.Heat flow meter apparatus
  • GB/T 10799 Rigid cellular plastics.Determination of the volume percentage of open cells and of closed cells
  • GB/T 17146 Test methods for water vapour transmission properties of building materials and products
  • GB/T 17393 Specification for thermal insulation for use in contact with austenitic stainless steel
  • GB/T 191 Packaging.Pictorial marking for handling of goods
  • GB/T 20673 Cellular plastics Determination of the coefficient of linear thermal expansion of rigid material s at sub-ambient temperatures
  • GB/T 2406.2 Plastics.Determination of burning behaviour by oxygen index.Part 2:Ambient-temperature test
  • GB/T 2918-2018 Standard environment for conditioning and testing of plastic specimens
  • GB/T 32983 Determination of compression creep properties of thermal insulation products for building
  • GB/T 34005 Determination of water vapour transmission properties of preformed pipe insulation
  • GB/T 4132 Adiabatic terminology*， 2023-09-07 Update
  • GB/T 5480 Test methods for mineral wool and its products
  • GB/T 5486 Test methods for inorganic rigid thermal insulation
  • GB/T 6342 Cellular plastics and rubbers--Determination of linear dimensions
  • GB/T 6343 Cellular plastics and rubbers.Determination of apparent density
  • GB/T 8810 Determination of water absorption of rigid cellular plastics
  • GB/T 8811 Rigid cellular plastics.Test method for dimensionsl stability
  • GB/T 8813 Rigid cellular plastics—Determination of compression properties*， 2020-07-21 Update
  • QB/T 5114 Determination of retained blowing agent in rigid polyurethane foam

GB/T 25997-2020 history

Polyisocyanurate（PIR） products for thermal insulation


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