GB/T 19342-2024 Manual toothbrushes - General requirements and test methods
1 Scope
This document specifies the technical requirements, inspection rules, marking, packaging, transportation and storage of manual toothbrushes, and describes the corresponding test methods.
This document is applicable to the production, inspection, and sale of manual toothbrushes for daily oral hygiene.
This document is not applicable to toothbrushes intended for children aged 14 and below.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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/T191 Packaging - Pictorial marking for handling of goods
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB 39669 General technical requirements for safety of toothbrushes and oral implements
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB 39669 and the following apply.
3.1
manual toothbrush
appliance used for cleaning the surface of teeth, which is not driven by electricity but achieves cleaning function through bristles
3.2
tufting toothbrush
toothbrush that fixes all or part of the tuft onto the brush head using metal sheets or hot melt methods
3.3
taper rate of filament
proportion of monofilament with a tip cone height of not less than 4 mm in the taper bristles
3.4
molded bristle
bristles formed by injection molding process on the brush head to clean teeth
Note: The molded components used for massage or other functions are not included.
3.5
tuft deflection force
F
force generated by the resistance of tuft to bending
Note: The unit is Newton (N).
3.6
conventional bristle
bristle with a solid circle along the length direction
4 Requirements
4.1 Sensory quality
Appearance quality shall meet those specified in Table 1.
Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation and storage Annex A (Normative) Determination of tuft deflection force
