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GB/T 39802-2021Technical requirements for thermal insulation material of urban heat-supplying (English PDF)

城镇供热保温材料技术条件

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 9, 2021

Implementation date

October 1, 2021

Scope

GB/T 39802-2021 is the English-translated version of 城镇供热保温材料技术条件.

GB/T 39802-2021 sets the technical requirements of the thermal insulation materials used in urban district heating.

It fixes the requirements and the inspection methods of those materials and of the products made from them, for steam up to 350 °C and hot water up to 150 °C. It applies to the choice and the quality control of the insulation used in building, extending, rebuilding, operating and maintaining a district heating system.

Heating companies, contractors and material producers use it. Issued on 9 March 2021, it has applied since 1 October 2021.

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Document preview — GB/T 39802-2021

National Standard of the People's Republic of China

ICS: 91.140.10
Classification: P 46

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Classification of thermal insulation materials
4.2 Density of thermal insulation materials
4.3 Thermal conductivity of thermal insulation materials
4.4 The use temperature of inorganic thermal insulation materials
4.5 Corrosion
4.6 Combustion performance level
4.7 Inspection report
5 Technical conditions
5.1 Expanded perlite and its thermal insulation products
5.2 Calcium silicate insulation products
5.3 Rock wool, slag wool and their products for thermal insulation
5.4 Glass wool for thermal insulation and its products
5.5 Aluminum silicate cotton and its products for thermal insulation
5.6 Silicate composite thermal insulation coating and silicate composite thermal insulation products
5.7 Rigid polyurethane foam products
5.8 Polyisocyanurate foam products (PIR)
5.9 Rigid phenolic foam products
5.10 Flexible foam rubber and plastic insulation products
5.11 High-pressure polyethylene foam products
5.12 Foam glass products
5.13 Nanoporous aerogel composite thermal insulation products
6 Inspection

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the use of steam with a medium temperature of not more than 350°C and hot water with a medium temperature of not more than 150°C in urban heating.

The technical requirements and inspection methods of the thermal insulation materials and their products.

This standard applies to the selection and quality of insulation materials and their products used in the construction, expansion, reconstruction, operation and maintenance of the urban heating industry. Quantity inspection and engineering acceptance.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB 8624-2012 Classification of burning performance of building materials and products

GB/T 10294 Determination of steady-state thermal resistance and related characteristics of thermal insulation materials. Protective hot plate method

GB/T 10295 Determination of steady-state thermal resistance and related characteristics of thermal insulation materials by calorimeter method

GB/T 10296 Determination of Steady-State Heat Transfer Properties of Thermal Insulation Layers by Round Tube Method

GB/T 10297 Determination of thermal conductivity of non-metallic solid materials by hot wire method

GB/T 10303 Expanded Perlite Thermal Insulation Products

GB/T 10699 Calcium silicate insulation products

GB/T 11835 Rock wool, slag wool and their products for thermal insulation

GB/T 13350 Glass wool and its products for thermal insulation

GB/T 16400 Aluminum silicate cotton and its products for thermal insulation

GB/T 17371 Silicate composite thermal insulation coating

GB/T 17393 Specification for Thermal Insulation Materials for Covering Austenitic Stainless Steel

GB/T 17430 Evaluation method for the highest service temperature of thermal insulation materials

GB/T 17794 Flexible foam rubber and plastic thermal insulation products

GB/T 20974 Rigid phenolic foam products for thermal insulation (PF)

GB/T 21558 Rigid polyurethane foam for building thermal insulation

GB/T 25997 Polyisocyanurate products for thermal insulation

GB/T 29047 High-density polyethylene outer protective pipe rigid polyurethane foam plastic prefabricated direct buried insulation pipe and pipe fittings

GB/T 34336 Nanoporous aerogel composite thermal insulation products

GB/T 34611 rigid polyurethane sprayed polyethylene winding prefabricated direct buried insulation pipe

GB/T 38097 Urban heating glass fiber reinforced plastic outer jacket polyurethane foam plastic prefabricated direct buried insulation pipe and pipe fittings

GB 50404 Technical code for rigid foam polyurethane insulation and waterproof engineering

JC/T 209 Expanded perlite

JC/T 647 Foam glass insulation products ASTMC411 High-temperature insulation material heating surface performance test method (StandardTestMethodforHot-SurfacePer-formanceofHigh-TemperatureThermalInsulation)

ASTMC447 Thermal Insulation Material Maximum Use Temperature Evaluation Method (Standard Practice for Estimating the Maximum

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

Referenced standards

Normative references

JC/T 209

Similar standards

GB/T 33833-2026|GB/T 47394-2026|GB/T 47547-2026|GB/T 28185-2025|GB/T 45472-2025|GB/T 28638-2023

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