GB 21027-2020Request in common use of security for student's articles (English PDF)

1 Scope

GB 21027-2020 is the Chinese national standard on request in common use of security for student's articles, in the field of domestic and commercial equipment, entertainment, sport. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 23 July 2020 by the State Administration for Market Regulation; Standardization Administration of China, and has been in force since 1 February 2022. Classification: ICS 97.180, CCS Y50. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This standard specifies the requirements, test methods, marking of student's articles. This standard applies to learning articles, which are used by students under the age of 14 (including 14 years old), including watercolor paints, crayons, oil pastels, colored clay, erasers, correction fluids, correction tapes, correction stickers, correction pens, liquid glues, solid glue, paste, watercolor pen, fountain pen, ink ballpoint pen, neutral ink ballpoint pen, water-based ink ballpoint pen, marker pen, whiteboard pen, highlighter, pencil, mechanical pencil, ink, lead core, plotter ruler (straightedge, triangle ruler, scale ruler, protractor, drawing template, excluding T-square), student compasses, schoolwork books, book covers, school bags, pencil bags, stationery scissors, stationery boxes, manual pencil sharpeners, pencil sharpeners, utility knifes, etc. This standard does not apply to stationery products, which are intended for students over 14 years old AND are used by professionals.

2 Normative references

The following documents are essential to the application of 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 standard.

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

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Student's articles Supplies for students under 14 years old (including 14 years old), for the purposes of study.

4 Requirements

4.1 Limits of migratable elements The content of migratable elements, in student's article, shall not exceed the maximum limit requirements of the corresponding elements in Table

1.In the maximum limit of migratable elements, the printed, brushed, coated parts of accessible student's articles are exempted, when specimen, which is obtained from a single sample, is less than 10 mg.

4.2 Limits of harmful substances in liquid glue, solid glue, paste The maximum limit of harmful substances in liquid glue, solid glue, paste shall not exceed the requirements in Table 2.

4.3 Limits of harmful substances in correction fluid, correction tape, correction stickers, correction pens

4.3.1 The content of benzene shall not exceed 10 mg/kg.

4.4 Limits of harmful substances in fabrics and accessories used in school bags and pencil bags

4.5 Limits of phthalate plasticizers in accessible plastic parts The total content of three phthalates. dihexyl phthalate (DEHP), dibutyl phthalate (DBP), butyl benzyl phthalate (BBP), in accessible plastic parts, shall not exceed 1000 mg/kg. For a single sample, if the sampling size of a single material is less than 10 mg, it can be exempted.

4.6 The limit of free formic acid in colored clay The content of free formaldehyde, in the colored clay, shall not exceed 500 mg/kg.

4.7 Brightness (whiteness) of schoolwork books The brightness (whiteness) of the workbook shall not be greater than 85%.

5 Test method

5.1 Limits of migratable elements The determination of the content of migratable elements shall be carried out, in accordance with the provisions of GB 6675.4-2014.

6 Markings

6.1 The markings shall be clear, easy to read, durable.

6.2 For a all products, which are covered by this standard (see Appendix G), they shall be marked on the product or its smallest package or its sales package, as follows "This product is suitable for students under 14 years old (including 14 years old)" or "Applicable age.

6.3 For the student's articles, which require warning signs or warning instructions, they shall be marked.

Appendix A

(Normative) List of harmful aromatic amines The list of harmful aromatic amines, in student's articles, is as shown in Table A.1.

Appendix B

(Informative) Design guidelines for the ventilation area of the pen sleeve A continuous air channel, which has a cross-sectional area of at least

6.8 mm2, can extend to a length of 2 mm, at both ends of the pen sleeve. If the area is not completely enclosed, use a thin cotton thread, to tightly surround any part perpendicular to the main axis OR at the largest diameter; the resulting containment area is the cross-sectional area of the continuous air channel (see Figure B.1).

Appendix C

Note 1. 2. **Search (Optional).** Enter the keyword '**GB 21027-2020**' in the search bar, if it is not already shown. 3.

Note 2. 9.

Note 3. 10. **Verification (USD

Notes and Explanations

Note 3:** If you are unable to redirect back to our Return Page, do not worry. **Additionally and independently**, our automated system will still deliver your PDF and Invoice via email **(the second mechanism to ensure the delivery)**, typically within 3 minutes. Once your payment is complete, you have two instant ways to access your PDF and invoice: you may stay on the Return Page for download in 3 minutes typically, or simply check your email inbox where a copy is automatically delivered in 3 minutes typically.