GB/T 25997-2020 Active National standards

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

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

Publish Date: 2020-06-02 Implement Date: 2021-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 25997-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Insulation, sound-absorbing, lightweight, and fire-resistant materials
ICS Name: The insulation of buildings
Publish Date: 2020-06-02
Implement Date: 2021-04-01
Pages: 11 pages

Scope

This standard specifies the classification and marking, requirements, test methods, inspection rules, and marking, labeling, packaging, transportation, and storage of polyisocyanurate products (PIR) used for insulation. This standard applies to polyisocyanurate products manufactured using polyols/polyisocyanates as the main raw materials, with operating temperatures ranging from -183°C to 150°C.

Development Information

Word Count: 26 Thousand words Pages: 11 pages

Replace the following standards

Referenced Standards

GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB 8624-2012 Classification for burning behavior of building materials and products GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test GB/T 4132-1996 Definitions of terms relating to thermal insulating materials GB/T 4132-2015 Definitions of terms relating to thermal insulating materials GB/T 4132-2023 Thermal insulation—Vocabulary GB/T 5480-2008 Test methods for mineral wool and its products GB/T 5480-2017 Test methods for mineral wool and its products GB/T 5480.1-2004 Test methods for mineral wool and its products—Part1:General principles GB/T 5480.2-2004 Test methods for mineral wool and its products—Part 2:Squareness and trueness GB/T 5480.3-2004 Test methods for mineral wool and its products—Part 3:Dimension and bulk density GB/T 5480.4-2004 Test methods for mineral wool and its products—Part 4:Average diameter of fibers GB/T 5480.5-2004 Test methods for mineral wool and its products—Part 5:Shot content GB/T 5480.6-2004 Test methods for mineral wool and its products—Part 6:Acidity coefficient GB/T 5480.7-1987 Test method for the moisture absorption of mineral wool products GB/T 5480.7-2004 Test methods for mineral wool and its products—Part 7:Moisture absorption GB/T 5480.8-2003 Test method for oil content of the mineral wool and their products GB/T 5486-2008 Test methods for inorganic rigid thermal insulation GB/T 5486.1-2001 Test methods of inorganic rigid thermal insulation—Appearance qulity GB/T 5486.2-2001 Test methods of inorganic rigid thermal insulation—Mechanical properties GB/T 5486.3-2001 Test methods of inorganic rigid thermal insulation—Density and moisture content and water absorption GB/T 5486.4-2001 Test methods of inorganic rigid thermal insulation—Properties after heat soaking GB/T 6342-1996 Cellular plastics and rubbers—Determination of linear dimensions GB/T 6343-1995 Cellular plastics and rubbers—Determination of apparent (bulk) density GB/T 6343-2009 Cellular plastics and rubbers—Determination of apparent density GB/T 8810-2005 Determination of water absorption of rigid cellular plastics GB/T 8811-2008 Rigid cellular plastics—Test method for dimensional stability GB/T 8813-2008 Rigid cellular plastics—Determination of compression properties GB/T 8813-2020 Rigid cellular plastics—Determination of compression properties GB/T 10294-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10294-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10295-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus GB/T 10295-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus GB/T 10799-1989 Cellular plastics—Determination of volume percentage of open and closed cells of rigid materials GB/T 10799-2008 Rigid cellular plastics—Determination of the volume percentage of open cells and of closed cells GB/T 17146-1997 Test methods for water vapour transmission of building materials GB/T 17146-2015 Test methods for water vapour transmission properties of building materials and products GB/T 17393-1998 Standard specification of thermal insulation materials for use over austenitic stainless steel GB/T 17393-2008 Specification for thermal insulation for use in contact with austenitic stainless steel GB/T 20673-2006 Cellular plastics—Determination of the coefficient of linear thermal expansion of rigid materials at sub-ambient temperatures GB/T 32983-2016 Thermal insulating products for building applications—Determination of compressive creep GB/T 34005-2017 Determination of water vapour transmission properties of preformed pipe insulation QB/T 5114-2017 Determination of Residual Expelling Agent in Hard Polyurethane Foam Rubber/T 5114-2017 (English translation only) GB/T 32983-2025 Thermal insulating products for building applications—Determination of compressive creep GB/T 191-2025 Graphical symbols marking for handling and storage of packages

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