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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 28375-2025: Fireproof coating for concrete structure Status: Valid GB 28375: Historical versions
Basic dataStandard ID: GB 28375-2025 (GB28375-2025)Description (Translated English): Fireproof coating for concrete structure Sector / Industry: National Standard Classification of Chinese Standard: C84 Classification of International Standard: 13.220.50 Word Count Estimation: 22,289 Date of Issue: 2025-05-30 Date of Implementation: 2026-06-01 Older Standard (superseded by this standard): GB 28375-2012 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 28375-2025: Fireproof coating for concrete structure---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 13.220.50 CCSC84 National Standard of the People's Republic of China Replaces GB 28375-2012 Fire retardant coating for concrete structure Released on 2025-05-30 2026-06-01 implementation State Administration for Market Regulation The National Standardization Administration issued Table of contentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Product classification, grading code and marking 1 4.1 Classification 1 4.2 Fire resistance classification code 2 4.3 Mark 2 5 General requirements 2 6 Technical Requirements 3 6.1 Fire retardant coating for firebreaks 3 6.2 Tunnel fire retardant coating 3 6.3 Other fire retardant coatings for concrete structures 4 7 Test methods 5 7.1 Physical and chemical properties test environmental conditions 5 7.2 Preparation of physical and chemical properties test pieces 6 7.3 Drying time 7 7.4 Bond strength 7 7.5 Dry density 7 7.6 Compressive strength 7 7.7 Acid resistance 8 7.8 Alkali resistance 8 7.9 Heat resistance 8 7.10 Moisture and heat resistance 8 7.11 Freeze-thaw cycle resistance 8 7.12 Salt spray corrosion resistance 9 7.13 Resistance to ultraviolet radiation 9 7.14 Smoke toxicity 9 7.15 Vibration resistance 9 7.16 Fire resistance 9 8 Inspection Rules 12 8.1 Inspection categories 12 8.2 Batching and Sampling 12 8.3 Decision Rules 12 9 Marking, packaging, transportation and storage 13 9.1 Sign 13 9.2 Packaging 13 9.3 Transportation13 9.4 Storage 13 Appendix A (Normative) Vibration resistance test 14 A.1 Test apparatus 14 A.2 Specimen 14 A.3 Test procedure 15 A.4 Test results 15ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB 28375-2012 "Fire retardant coatings for concrete structures". Compared with GB 28375-2012, except for editorial changes, The main technical changes are as follows. a) The scope of application of fire retardant coatings for concrete structures has been changed (see Chapter 1, Chapter 1 of the.2012 edition); b) The product classification has been changed (see Chapter 4, Chapter 4 of the.2012 edition); c) The technical requirements for dry density and smoke toxicity of fire retardant coatings for fire dams (see 6.1 of the.2012 edition) were deleted, and the requirements for Status and water resistance test items, defect classification (see 6.1 and 6.2 of the.2012 edition); d) The technical requirements for fire resistance performance have been changed (see 6.1.2, 6.2.2, 6.1 and 6.2 of the.2012 edition); e) Added technical requirements for vibration resistance (see 6.2) and test methods (see 7.15); f) Added technical requirements for resistance to ultraviolet radiation (see 6.2) and test methods (see 7.13); g) Added other technical requirements for the physical, chemical and fire resistance properties of fire retardant coatings for concrete structures (see 6.3); h) The size of the test specimen substrate has been changed (see 7.2.1, 7.2.2 of the.2012 edition); i) The bonding strength test method has been changed (see 7.4, 7.5 of the.2012 edition); j) The dry density test method has been changed (see 7.5, 7.6 of the.2012 edition); k) The compressive strength test method has been changed (see 7.6, 7.7 of the.2012 edition); l) The inspection rules have been changed (see Chapter 8, Chapter 8 of the.2012 edition); m) Added vibration resistance test (see Appendix A). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Fire and Rescue Administration. The previous versions of this document and the documents it replaces are as follows. ---First published in.2012 as GB 28375-2012; ---This is the first revision. Fire retardant coating for concrete structure1 ScopeThis document defines the terms and definitions of concrete structure fire retardant coatings, provides product classification, classification codes and markings, and stipulates general Requirements, technical requirements, inspection rules, as well as marking, packaging, transportation and storage, describe the corresponding test methods. This document applies to fire retardant coatings on the surfaces of firebreaks, tunnels and other concrete structures.2 Normative referencesThe contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 1728-2020 Determination of drying time of paint film and putty film GB/T 9265 Determination of alkali resistance of architectural coatings GB/T 9969 General principles for instructions for use of industrial products GB/T 9978.1 Fire resistance test methods for building components Part 1.General requirements GB/T 14522-2008 Test method for artificial weathering of plastics, coatings and rubber materials for mechanical industrial products - Fluorescent UV lamp GB/T 20285-2006 Hazard classification of smoke toxicity of materials GB/T 50010-2010 Concrete structure design standard JC/T 626 Fiber-reinforced low-alkalinity cement building slab XF/T 714 Rapid temperature rise fire resistance test method for fire protection materials for components3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Coated on the surface of firebreaks, tunnels and other concrete structures, it can form a fire-resistant and heat-insulating protective layer to improve the fire resistance limit of the structure. coating. 4 Product classification, grading codes and markings 4.1 Classification Concrete structure fire retardant coatings are classified into the following product categories according to the protected objects. a) Fire retardant coating for fire embankments. Fire retardant coating used for the concrete surface of fire embankments in petrochemical storage tank areas; b) Tunnel fire retardant coating. fire retardant coating used for the surface of concrete structures of highway, railway and urban traffic tunnels; c) Other concrete structure fire retardant coatings. Concrete coatings for other industrial and civil buildings (structures) other than those used on tunnels and fire dike surfaces. Fire retardant coating for soil surface. According to the place of use, it can be divided into indoor concrete structure fire retardant coating and outdoor concrete structure fire retardant coating. coating. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 28375-2025_English be delivered?Answer: Upon your order, we will start to translate GB 28375-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB 28375-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 28375-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
