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Writing and marking instruments - Specification for caps to reduce the risk of asphyxiation
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Writing and marking instruments--Specification for caps to reduce the risk of asphyxiation
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Basic data
| Standard ID | GB/T 39023-2025 (GB/T39023-2025) |
| Description (Translated English) | Writing and marking instruments - Specification for caps to reduce the risk of asphyxiation |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Y50 |
| Classification of International Standard | 97.180 |
| Word Count Estimation | 10,113 |
| Date of Issue | 2025-05-30 |
| Date of Implementation | 2025-05-30 |
| Older Standard (superseded by this standard) | GB/T 39023-2020 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 39023-2025: Writing and marking instruments - Specification for caps to reduce the risk of asphyxiation
---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 97.180
CCSY50
National Standard of the People's Republic of China
Replaces GB/T 39023-2020
Writing and marking tools
Specification for pen covers to reduce the risk of choking
(ISO 11540.2021, IDT)
Released on 2025-05-30
2025-05-30 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This 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/T 39023-2020 "Specification for writing and marking instrument covers to reduce the risk of choking" and is compatible with GB/T 39023-
Compared with 2020, except for structural adjustments and editorial changes, the main technical content has not changed.
This document is equivalent to ISO 11540.2021 "Specification for writing and marking instrument covers to reduce the risk of choking".
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 was proposed by China Light Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Pen Manufacturing (SAC/TC378).
This document was drafted by. Zhencai Stationery Co., Ltd., Shanghai Pen Technology Service Co., Ltd., Beifa Group Co., Ltd.,
Guangdong Jinwannian Stationery Co., Ltd., Shanghai Wencai Industrial Co., Ltd., Dickson Stationery (Kunshan) Co., Ltd., National Stationery Quality Supervision
Inspection and Supervision Center, Ningbo Weishu Electronic Technology Co., Ltd., Qingdao Dianshi Stationery Co., Ltd., Shaoguan Shengyi Stationery Co., Ltd., Shanghai Chen
Guang Stationery Co., Ltd., Shanghai Pafuluo Stationery Co., Ltd., Shenzhen Qixin Group Co., Ltd., Wenzhou Aihao Pen Co., Ltd.
Limited company.
The main drafters of this document. Huang Xiaolei, Lu Xianming, Chen Jingqiang, and Long Shuiyun.
The previous versions of this document and the documents it replaces are as follows.
---First published in 2020 as GB/T 39023-2020;
---This is the first revision.
Writing and marking tools
Specification for pen covers to reduce the risk of choking
1 Scope
This document specifies requirements for covers for writing and marking instruments to reduce the risk of choking.
This document applies to writing and marking instruments that are normally or foreseeably used by children aged 14 years and under.
This document does not apply to the following products or parts.
---Writing and marking instruments designed for adults or intended for adults only, such as jewelry pens, expensive fountain pens, professional technical pens, etc.;
---Protective cover for the pen refill.
2 Normative references
This document has no normative references.
3 Terms and definitions
The following terms and definitions apply to this document.
ISO and IEC maintain terminology databases used for standardization at the following websites.
3.1
The utility model discloses a writing and marking utensil with a removable pen cover and a water storage structure for storing ink or other marking liquids.
3.2
Pen cap
A removable component used to protect the writing and marking tip or nib when the pen is not in use.
4 Requirements
4.1 General
The pen cover shall comply with at least one of the requirements in 4.2 or 4.3.
4.2 Pen Cap Size
When the pen cap, under its own weight, vertically enters the annular gauge with a diameter of 16 0.05 0 mm and a thickness of not less than 19 mm along the axial direction
When the pen cap is not inserted into the ring gauge, the length of the pen cap should be at least 5 mm, see Figure 1.
NOTE. Pen caps complying with this clause are considered large enough not to present an aspiration hazard.
4.3 Pen cap air flow
Carry out the test according to Appendix A at room temperature. When the maximum pressure difference is 1.33 kPa, the air flow rate through the pen cover should be at least 8 L/min.
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