Detail of GB 28489-2022

Introduction of GB 28489-2022

Limits of hazardous substances for musical instruments 1 Scope This document defines the terms, definitions and classifications related to musical instruments, musical instrument accessories and indoor musical instrument packing, specifies the requirements, inspection rules and standard implementation for the limits of hazardous substances to human body in musical instruments, musical instrument accessories and indoor musical instrument packing, and describes the corresponding test methods. This document applies to musical instruments, musical instrument accessories and indoor musical instrument packing. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. The following documents contain provisions which, through reference in this text, constitute provisions of this document. GB/T 601 Chemical reagent - Preparations of reference titration solutions GB 6566-2010 Limits of radionuclides in building materials GB 6675.4-2014 Safety of toys - Part 4: Migration of certain elements GB/T 17592 Textiles - Determination of the banned azo colourants GB/T 18414 (all parts) Textiles - Determination of the content of chlorinated phenols GB/T 19942 Leather and fur - Chemical tests - Determination of banned azo colourants GB/T 22048 Determination of certain phthalate esters in toys and children’s products GB/T 22808 Leather and fur - Chemical tests - Determination of chlorinated phenols content GB/T 23344 Textiles - Determination of 4-aminoazobenzene GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers) GB/T 26572-2011 Requirements on concentration limits for certain restricted substances in electrical and electronic products GB/T 31107-2014 Environmental chamber for the determination of volatile organic compounds of furniture - General technical requirements GB/T 40968 Test method of polycyclic aromatic hydrocarbons in musical instrument GB 50325-2020 Code for indoor environmental pollution control of civil building engineering LY/T 1985 Quantitative determination of pentachlorophenol in antiseptic wood and wood-based panels 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 musical instrument packing object placed indoors for protecting, holding and using with musical instruments in normal use Note: It includes cases, boxes, bags, etc. for musical instruments. 3.2 musical instruments which directly contact with mouth part or product in direct contact with the player's mouth 3.3 climate chamber test equipment composed of chamber, air circulation device, air exchange device, air purification device, temperature and humidity control device, detection device, etc. with controlled operating parameters, which is used for simulating the release environment of volatile organic compounds in musical instruments [Source: GB/T 31107-2014, 3.1, modified] 3.4 volume of climate chamber effective volume of chamber space at no load 3.5 volume loading factor rate ratio of the total volumes of different parts of the outer contour of test sample to the volume of climate chamber 3.6 air velocity velocity of air flow in a climate chamber at no load 3.7 air exchange rate ratio of the volume of clean air entering the climate chamber to the volume of climate chamber per unit time [Source: GB/T 31107-2014, 3.5] 4 Classification Musical instruments, musical instrument accessories and indoor musical instrument packing are classified into two classes: ——Class A: musical instruments and musical instrument accessories which directly contact with the player’s mouth in normal use; ——Class B: musical instruments, musical instrument accessories and indoor musical instrument packing which do not directly contact with the player's mouth but accessible to human body in normal use.

Contents of GB 28489-2022

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Requirements 6 Test methods 7 Inspection rules 8 Implementation of this standard Annex A (Informative) List of 16 polycyclic aromatic hydrocarbons (PAHs) Annex B (Informative) List of aromatic amine dyes Annex C (Normative) Determination of benzene series and total volatile organic compounds Annex D (Normative) Determination of formaldehyde Bibliography