GB/T 9754-2025 PDF English
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GB/T 9754: Historical versions
| Standard ID | USD | BUY PDF | Delivery | Standard Title (Description) | Status |
| GB/T 9754-2025 | 440 | Add to Cart | Auto, 9 seconds. | Paints and varnishes - Determination of gloss value at 20-degree, 60-degree and 85-degree | Valid |
| GB/T 9754-2007 | 234 | Add to Cart | 3 days | Paints and varnishes -- Determination of specular gloss of non-metallic paint films at 20-degree, 60-degreeand 85-degree | Valid |
| GB/T 9754-1988 | 319 | Add to Cart | 3 days | Paints and varnishes--Measurement of specular gloss of non-metallic paint films at 20 Degree, 60 Degree and 85 Degree | Obsolete |
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GB/T 9754-2025: Paints and varnishes - Determination of gloss value at 20-degree, 60-degree and 85-degree
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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 87.040 CCS G 50 GB/T 9754-2025 / ISO 2813.2014 Replacing GB/T 9754-2007 Paints and Varnishes – Determination of Gloss Value at 20°, 60° and 85° (ISO 2813.2014, IDT) Issued on: JUNE 30, 2025 Implemented on: JANUARY 1, 2026 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 4 1 Scope... 6 2 Normative References... 6 3 Terms and Definitions... 6 4 Principle... 7 5 Basic Principles of the Gloss Measurement... 8 6 Apparatus and Calibration Equipment... 10 6.1 Glossmeter... 10 6.2 Measurement standards (certified reference material, working measurement standards) ... 12 7 Test Panels... 14 7.1 Substrate... 14 7.2 Preparation and coating... 14 7.3 Drying and conditioning... 14 7.4 Thickness of coating... 14 8 Calibration and Adjustment of the Glossmeter... 14 8.1 Preparation of the apparatus... 14 8.2 Zero point check... 14 8.3 Calibration and adjustment... 15 9 Operating Procedures... 15 9.1 Selection of geometry... 15 9.2 Gloss measurement... 15 10 Precision... 16 10.1 General... 16 10.2 Repeatability limit... 16 10.3 Reproducibility limit... 16 11 Test Report... 17 Annex A (Normative) Possible Sources of Error... 18 A.1 General... 18 A.2 Topographical effects... 18 A.3 Geometrical effects... 18 A.4 Optical effects... 19Foreword
This Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1.Rules for the Structure and Drafting of Standardizing Documents. This Document replaced GB/T 9754-2007 Paints and Varnishes - Determination of Specular Gloss of Non-Metallic Paint Films at 20° 60°and 85°. Compared with GB/T 9754-2007, the major technical changes of this Document are as follows besides structural adjustments and editorial modifications. a) Change the “Scope” (see Clause 1 of this Edition; Clause 1 of the 2007 Edition); b) Change the “Terms and Definitions” (see Clause 3 of this Edition; Clause 3 of the 2007 Edition); c) Delete “Sampling”, “Sampling of Painted Substrates”, and “Preparation of Test Panels” (see Clauses 6, 7, and 8 of the 2007 Edition); d) Add “Principles” and “Basic Principles of Gloss Measurement” (see Clauses 4 and 5 of this Edition); e) Change the “Instruments and Calibration Equipment” (see Clause 6 of this Edition; Clause 5 of the 2007 Edition); f) Add “Test Panels” (see Clause 7 of this Edition); g) Change the “Calibration and Adjustment of Gloss Meters” (see Clause 8 of this Edition; Clause 9 of the 2007 Edition); h) Change the “Operating Procedures” (see Clause 9 of this Edition; Clause 10 of the 2007 Edition); i) Change the “Precision” (see Clause 10 of this Edition; Clause 11 of the 2007 Edition); j) Change the “Test Report” (see Clause 11 of this Edition; Clause 12 of the 2007 Edition); k) Add normative annexes on “Possible Sources of Error” and “Calibration Standards” (see Annexes A and B of this Edition). This Document equivalently adopted ISO 2813.2014 Paints and Varnishes - Determination of Gloss Value at 20°, 60° and 85°. Please note some contents of this Document may involve patents. The issuing agency of this Document shall not assume the responsibility to identify these patents. This Document was proposed by China Petroleum and Chemical Industry Federation. Paints and Varnishes – Determination of Gloss Value at 20°, 60° and 85°1 Scope
This Document specifies a method for determining the gloss of coatings using the three geometries of 20°, 60° or 85°. The Document is suitable for the gloss measurement of non-textured coatings on plane, opaque substrates. NOTE. On test specimens different from these mentioned above, comparative gloss measurements are possible. However, it is not ensured that the obtained gloss values correspond to the visual gloss perception (see Annex A).2 Normative References
The provisions in following documents become the essential provisions of this Document through reference in this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document. ISO 1514 Paint and varnishes – Standard panels for testing NOTE. GB/T 9271-2008 Paints and varnishes standard panels for testing (ISO 1514.2004, MOD) ISO 2808 Paints and varnishes – Determination of film thickness NOTE. GB/T 13452.2-2008 Paints and varnishes - Determination of film thickness (ISO 2808.2007, IDT) ISO 4618 Paints and varnishes – Terms and definitions NOTE. GB/T 5206-2015 Paints and varnishes - Terms and definitions (ISO 4618.2014, IDT)3 Terms and Definitions
For the purposes of this Document, the terms and definitions given in ISO 4618 and the following apply. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
