Detail of GB 21027-2020

Introduction of GB 21027-2020

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB 21027-2007 Request in common use of security for student’s articles, and the following main technical changes have been made with respect to GB 21027-2007: ——modification of the expression of students’ ages (see Chapter 1, Chapter 1 of Edition 2007); ——modification of the names of colored clay, rulers, scissors, books for exercise and homework, and pens in the scope of student's articles (see Chapter 1, Chapter 1 of Edition 2007); ——addition of compass, manual pencil sharpeners, correction stickers, book cover, pencil lead, ink and knives, and deletion of finger-painting pigments in the scope of student's articles (see Chapter 1); ——addition of the scope of adhesive (see Chapter 1); ——addition of the inapplicable range of this standard (see Chapter 1); ——addition of terms and definitions (see Chapter 3); ——addition of the maximum limit of migratable elements in pencil lead and deletion of required maximum limit of finger-painting pigments (see 4.1); ——addition of the requirements that the accessible printing, brushing and painting parts of student’s articles shall be exempted from sampling when the samples are too small (see 4.1); —— addition of the limit of acrylamide in adhesive (liquid adhesive) (see 4.2); ——modification of the correction product name “organic solvents benzene” to “benzene” (see 4.3.1, 3.2 of 2007 Edition); ——modification of the chemical name and limit of hydrochloric ether (see 4.3.2, 3.2 of 2007 Edition); ——modification of the limit of dissoluble, harmful aromatic amines and addition of its types (see 4.4.2, 3.5 of 2007 Edition); ——addition of the limit of phthalate esters plasticizer in accessible plastics (see 4.5); ——addition of the limit of free formaldehyde in colored clay (see 4.6); ——modification of the security requirements of pen cap (see 4.8, 3.7 of 2007 Edition); ——modification of the test method of free formaldehyde content in adhesive (liquid adhesive) (see 5.2. 1, 4.3.1 of 2007 Edition); ——addition of the test method of acrylamide content in adhesive (liquid adhesive) (see 5.2.5); ——modification of the test method for benzene content in correction products (see 5.3.1, 4.2 of 2007 Edition); ——modification of the test method for hydrochloric ether content in correction products (see 5.3.2, 4.2 of 2007 Edition); ——modification of the test method for free formaldehyde content in bags and pencil bags materials (see 5.4.1, 4.4 of 2007 Edition); ——addition of the test method for dissoluble, harmful aromatic amines dye (see 5.4.2); ——addition of the test method of phthalate esters plasticizer in accessible plastics (see 5.5); ——addition of the “Schematic diagram of annular gauge” in the test method of pen cap size (see Figure 1); ——modification of the identification (see Chapter 6, Chapter 6 of 2007 Edition); ——addition of the list of harmful aromatic amines (see Annex A); ——addition of the Design Guideline for ventilation area of pen cap (see Annex B); ——modification of the test method for benzene content in adhesive and correction products (see Annex C, Annex C of 2007 Edition); ——modification of the test method for methylbenzene and dimethylbenzene contents in adhesive (see Annex D, Annex C of 2007 Edition); ——modification of the test method for total volatile organic compounds content in adhesive (see Annex E, Annex D of 2007 Edition); ——modification of the test method of air flow of pen cap (see Annex F, Annex E of 2007 Edition); ——addition of the examples of the catalog and corresponding requirements of student's articles (see Annex G). This standard was proposed by and is under the jurisdiction of the Ministry of Industry and Information Technology of the People's Republic of China. The previous editions of this standard are as follows: ——GB 21027-2007. Request in common use of security for student's articles 1 Scope This standard specifies the requirements, test methods and identification of student' s articles. This standard is applicable to the articles used by students under 14 years old (including), including watercolor paints, crayons, oil pastels, colored clay, erasers, correction fluids, correction tapes, correction stickers, correction pens, liquid glue, glue stick, paste, watercolor pens, fountain pens, ink ballpoint pens, neutral ink ballpoint pens, water-based ink ballpoint pens, marker pens, whiteboard pens, highlighters, pencils, movable pencils, inks, lead cores, plotter ruler (ruler, triangle ruler, scale, protractor, drawing template, excluding T-square), student compasses, schoolbooks, book covers, schoolbags, pencil bags, stationery scissors, pencil case, manual pencil sharpener, pencil sharpener, art knife and other student supplies. This standard is not applicable to stationery products used by students over the age of 14 and professionals. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 606 Chemical reagent - General method for the determination of water - Karl Fischer method GB/T 1033.1 Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion method liquid pycnometer method and titration method GB/T 2793 Test method for nonvolatile content of adhesives GB 6675.22014 Safety of toys - Part 2: Mechanical and physical properties GB 6675.4.4-2014 Safety of toys - Part 4: Migration of certain elements GB/T 7974 Paper, board and pulps - Measurement of diffuse blue reflectance factor - D65 brightness (Diff/ Geometry, Outdoor daylight conditions) GB/T 13354 Test method for density of adhesives in fluid form－Method of weight cup GB/T 17592 Textiles - Determination of banned azo-dye GB/T22048 Determination of certain phthalate esters in toys and children’s products GB/T 23344 Textiles - Determination of 4-aminoazobenzene GB/T 32606 Determination of free formaldehyde in correction stationery—Spectrophotometric method with acetylacetone GB/T 32613 Determination of chlorofluorocarbon in correction stationery—Gas chromatographic method EN 71-10 Safety of toys-Part 10: Organic chemical compounds- Sample preparation and extraction EN 71-11 Safety of toys- Part 11: Organic chemical compounds-Methods of analysis 3 Terms and definitions For the purposes of this document, the following terms and definitions apply． 3.1 student’s articles study articles for students under 14 years old (including) 4 Requirements 4.1 Limits of migratable elements The limits of migratable elements in student's articles shall not exceed the maximum limit of the corresponding elements in Table 1. In the maximum limit of migratable elements, the printing, brushing and painting parts of accessible student's articles shall be exempted when each sample obtained from a single sample is less than 10 mg.

Contents of GB 21027-2020

Contents Foreword 1 Scope 2 Normative References 3 Terms and definitions 4 Requirements 5 Test method 6 Identification Annex A (Normative) List of harmful aromatic amines Annex B (Informative) Guideline for ventilation area of pen cap Annex C (Normative) Determination of benzene content in glue and correction products - Gas chromatographic method Annex D (Normative) Determination of methylbenzene and dimethylbenzene in glue Annex E (Normative) Determination of total volatile organic compounds in glue Annex F (Normative) Airflow rate test Annex G (Informative) Catalogue of student‘s articles and examples of corresponding requirements