GB/T 19342-2024 English PDFUS$289.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 19342-2024: Manual toothbrushes - General requirements and test methods Status: Valid GB/T 19342: Historical versions
Basic dataStandard ID: GB/T 19342-2024 (GB/T19342-2024)Description (Translated English): Manual toothbrushes - General requirements and test methods Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Y89 Word Count Estimation: 14,141 Date of Implementation: 2025-11-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 19342-2013: Toothbrushes---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.Toothbrushes ICS 11.060.20 Y89 National Standards of People's Republic of China Replacing GB 19342-2003 toothbrush Issued on. 2013-10-10 2014-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThe standard of 4.1, 4.2, Table 5 1,3,5 item 4.6 are mandatory, the rest are recommended. This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB 19342-2003 "toothbrush." This standard compared with GB 19342-2003, the main technical changes are as follows. --- Modify the application of the criteria range (see Chapter 1, Chapter 1 of the 2003 edition); --- Modify the specifications required dimensions of the filament diameter (see Table 2, 2003 edition of the Table 2); --- Modified toothbrush bristle tension (see Table 5, 2003 edition of the Table 3); --- Modify the monofilament bending recovery rate (see Table 5, 2003 edition of the Table 3); --- Sanding modified (see 46, 2003 version 4.6.); --- Modify the test method of harmful elements (see Appendix A, 2003 edition of Appendix A); --- Modified toothbrush bristle strength classification test methods (see Appendix B, 2003 edition of Appendix B); --- Modify the type test (see 63, 2003 version 6.3.); --- The tufts from the tuft strength bending force or nominal wire diameter in place; --- The classification in Appendix B of the bristles into the beam intensity of 4.4; --- Increasing the terms and definitions; --- Increase the nominal wire diameter shall set forth on product packaging; --- To increase the nominal wire diameter classification and test methods for assessing the strength of a toothbrush bristle; --- Remove product category; --- Deletion of the requirement and test methods for children and toddlers toothbrush toothbrush; --- Deleted in Appendix B of terms and definitions. The standard proposed by China National Light Industry Council. This standard by the National Standardization Center sundries. This standard was drafted. Jiangsu Five Love Group Co., Ltd., Beijing Light Industrial Products Quality Supervision, Inspection and stop, Colgate smile Limited Secretary, Dana Mi Jie Cixi City Composite Materials Co., Ltd., Yangzhou Star Toothbrush Co., Ltd. Yangzhou Jin Bali Brush Co., Ltd., to good chemical (Zhongshan) Co., Du Bangxing up (Wuxi) Co., monofilament, Wuhan this morning Industrial Co., Ltd., Jiangsu Prosperity Brush Co., Ltd., Jan State this morning Brush Co., Ltd., Guangdong Limited supplies of clean snow, Procter & Gamble (China) Co., Ltd., Jiang Su Chenjie Japan Ltd., Yangzhou City-Intel, the Limited, two needles (Yangzhou) Hotel Ltd., Yangzhou Jinxia Plastic Co., Ltd., Wuxi Xingda Nylon has Ltd., Jiangsu three laugh Group Ltd., China National Light Industry Quality Supervision and Testing Center sundries and Guangdong Law of the Limited. The main drafters of this standard. Li and Chuan, Yang Zhao Jin, Xiao Qing, Ma Jianbo, Zhang Wensheng, Chen Xinglong, Gu Ming, Deng Xiaomin Pang Chao, grand place, Wang Jinyan, Li Duan Yi, Huang Yikang, You Song, Lizheng Lin, Wei day flat, Tu Jinxiang, Hu Ruili, Baoqin, Zhou Xiaomei, Wei Xiaoying, Wang Xin Yao, Cheng Xiaohu, FII have. This standard replaces the standards previously issued as follows. --- GB 19342-2003. toothbrush1 ScopeThis standard specifies the terms and definitions of the toothbrush, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to adults tufting manual toothbrush. This standard does not apply to the special, functional toothbrush (such as. Full dispensing toothbrush) and electric toothbrushes.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB/T 2828.1-2012 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample plan GB/T 2829-2002 periodic inspection Sampling procedures and sample forms (suitable for process stability test) Laboratory use specifications and test methods GB/T 6682-2008 Analysis3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 Monofilament filament The head of the single filaments. 3.2 Brush brushhead One end of the wire brush with a toothbrush. 3.3 Tuft strength classification tuftstiffnesscategory The tufts bending force or nominal wire diameter obtained strength classification, soft, medium and hard. 3.4 Tuft tuft By a group of filaments gathered together. 3.5 Tuft bending force tuftdeflectionforce Tufts resist bending forces generated.4 Requirements4.1 health requirements 4.1.1 bristle brush handle, brush head should not be bleaching. 4.1.2 toothbrush all parts should be clean, no dirt, no smell. 4.1.3 product sales due Packaging, inside and outside should be clean and free of dirt, cracking. 4.2 Safety Requirements 4.2.1 toothbrush head shape should be smooth, no sharp edges, no glitches. The handle tail shapes should not cause injury. 4.2.2 harmful elements. Element Product any soluble compound soluble antimony, arsenic, barium, cadmium, chromium, lead, mercury, selenium, or elements of these Su content must not exceed the values in Table 1. Table 1 milligrams per kilogram Element Name (Sb) (As) (Ba) (Cd) (Cr) (Pb) (Hg) (Se) Content 6,025,100,075,609,060,500 4.3 Size Size (see Figure 1) shall comply with the requirements in Table 2. figure 1 Table 2 millimeters No. Item Requirements 1 matte side length (A) ≤42.0 2 hair surface width (B) ≤14.0 3 brush thickness (C) ≤7.0 4 bristle height (D) Flat-shaped hair type 8.0 to 13.0 Shaped hair type 5.0 to 14.0 5 filament diameter (φ) ≤0.35 Toothbrush 6 full length a (L) ≥150.0 Except for a special purpose toothbrush. 4.4 tuft strength classification 4.4.1 tufts strength classification and nominal wire diameter should be expressed on the product packaging. 4.4.2 tuft strength classification shall comply with the requirements of Table 3 or Table 4. table 3 Tuft strength classification Tufts bending force (F) Soft F < 6 5 \u003cF \u003c8 Hard F > 7 NOTE. tufts bending force portion dispensing toothbrush to remove the glue injection test section. Table 4 Tuft strength classification Nominal wire diameter size (φ) mm Soft φ≤0.18 The 0.18≤φ≤0.22 Hard 0.22≤φ≤0.35 4.5 Physical properties The physical properties should meet the requirements of Table 5. table 5 No. Item Requirements 1 tuft pull/N ≥15 2 shank bending force/N ≥80 or within the limits of the continuous deformation 3 neck bending force/N ≥43 or deformed continuously within the limits 4 heat resistance (50 ± 2) ℃ water soak 20min without exception 5 monofilament bending recovery rate /% ≥60 4.6 Brushed Toothbrush bristles monofilament top contour sanding should be removed by an acute angle, and should not have glitches. Qualified and unqualified monofilament top outline in Figure 2 a), b) in FIG. Flat-shaped hair bristle toothbrush monofilament top contour pass rate should be greater than or equal to 60%, shaped hair bristle toothbrush monofilament top round Profile passing rate should be greater than or equal to 40%. a) Qualified monofilament top contour b) monofilament top unqualified contour figure 2 4.7 appearance quality Appearance quality should meet the requirements in Table 6. Table 6 No. Item Requirements 1 bristle neat, straight, empty tufts full appropriate 2 pores crack is not allowed to crack the head edge, back split wear3 brush handleSurface clean, smooth appearance, does not allow visible impurities, cracks and bubbles larger than 1mm2 (Only transparent bubble handle, the technology bubble except) the presence of other defects5 Test methods5.1 health requirements 5.1.1 marking test. fully saturated with 65% ethanol, cotton wool, in brush, brush handle, wipe back and forth 100 times on hard bristles, visual outlook Is there a color on police cotton. 5.1.2 Visually inspect all parts of the toothbrush are clean and free of dirt, with the sense of smell to determine whether the odor. 5.1.3 Are there visual product sales packaging, the packaging is cracking, whether inside and outside the packaging clean and free of dirt. Unit sales of the product packaging Check with the bristles are not directly touch the hand is qualified. 5.2 Safety Requirements 5.2.1 toothbrush head and tail of the handle from the toothbrush 300mm visually under natural light or light 40W, with hand inspection. 5.2.2 harmful elements in accordance with Appendix A test method. 5.3 Size Size respectively minimum scale value of 0.02mm vernier caliper, micrometer outer diameter of 0.01mm, 0.5mm into the ruler Line measurement. 5.4 tuft strength classification 5.4.1 visually express whether on the product packaging. 5.4.2 tuft to tuft strength classification bending force assessed in accordance with Appendix B method for testing. 5.4.3 tuft strength disaggregated by express nominal wire diameter evaluated. 5.4.4 such as tufts strength classification evaluation results of dispute, arbitration according to Appendix B method. 5.5 Physical properties 5.5.1 tuft Rally 5.5.1.1 Test apparatus. tensile testing machine (minimum scale value of 0.1N), jig head, bristles folder. 5.5.1.2 Sample Preparation. Each toothbrush stay any bunch of hair, and the remaining bristles removed. At a temperature of (20 ± 5) ℃ conditions, temperature 4h. 5.5.1.3 Test conditions. temperature (20 ± 5) ℃, tensile testing machine lifting speed uniform (90 ± 10) mm/min. 5.5.1.4 Test procedure. The brush head is connected through a jig at the lower jaw of the tensile testing machine (bristles up), pull the bristles clip connection The upper jaw of the testing machine, the bristles are aligned and clamped clip left by tufts (see Figure 3). Tensile testing machine start, when read tuft pull off Tester readings. Explanation. 1 --- lower jaw; 2 --- head jig; 3 --- bristles folder; 4 --- upper jaw; 5 --- sample. image 3 5.5.2 shank buckling force 5.5.2.1 Test apparatus. tensile testing machine (minimum scale value of 0.1N), inverter, special fixtures. 5.5.2.2 Test Preparation. from the head to the top of the amount to 80mm as the first mark, marked down from 65mm at the second mark to make, at a temperature By degrees (20 ± 5) ℃ conditions, temperature 4h. 5.5.2.3 Test conditions. temperature (20 ± 5) ℃, tensile testing machine lifting speed is uniform (100 ± 10) mm/min, the indenter radius 6mm, Acting on the middle of the span. 5.5.2.4 Test procedure. A special fixture on the inverter, the inverter is installed on a tensile testing machine, the sample is placed on a support, two markers Respectively aligned with the left and right two points down the bristles, pressure head acting on the axis perpendicular to the specimen (see Figure 4). Start tensile testing machine, read off the specimen Crack when reading from or contact with the sample from the head, down 33mm, the sample continued to stop loading. Explanation. 1 --- indenter; 2 --- sample; 3 --- support. Figure 4 5.5.3 neck bending force 5.5.3.1 sample device. tensile testing machine (minimum scale value of 0.1N), wire, brush handle fixture. 5.5.3.2 Sample Preparation. from the head to the top of the amount to 15mm as the first mark, and then make a second mark from the tip amount to 80mm at the temperature By degrees (20 ± 5) ℃ conditions, temperature 4h. 5.5.3.3 Test conditions. temperature (20 ± 5) ℃, tensile testing machine lifting speed is uniform (100 ± 10) mm/min. 5.5.3.4 Test procedure. diameter 2mm, length 250mm steel wire folded into a tensile testing machine from the jaws clamped brush handle clip In connection with the lower jaw of the tensile testing machine, the brush handle into the brush handle and clamp fixed to the second mark (bristles down), set in the first wire Mark (see Figure 5), start tensile testing machine, sample readings at break or bend to the limit continued to stop loading. Explanation. 1 --- upper jaw; 2 --- wire; 3 --- The handle fixture; 4 --- lower jaw; 5 --- sample. Figure 5 5.5.4 heat resistance 5.5.4.1 Test apparatus. constant temperature water bath. 5.5.4.2 Test procedure. A sample was immersed (50 ± 2) ℃ constant temperature water for 20min, remove it, check the brush handle, bristles without exception. 5.5.5 monofilament bending recovery rate 5.5.5.1 Test apparatus. constant temperature water bath, a stopwatch, a metal plate, drilled with a diameter of (1.5 ± 0.1) mm in the five through-holes (see FIG. 6). Figure 6 5.5.5.2 Sample Preparation. From the office to take the toothbrush filaments. 5.5.5.3 Sample conditions and procedures. each toothbrush monofilament take five (straight to take part), gently into the hole, the projecting portion can not be greater than the hole Add radius method, the monofilament is shown in Figure 7a). The metal plate along with sample is immersed in together (50 ± 2) ℃ water for 2min, then remove the immersion Water immersion 30s (20 ± 2) ℃ after removal, then the sample is gently removed from the well, immersed in (20 ± 2) 15min ℃ of water, after removing The sample was immediately placed in a smooth surface, were measured with a protractor take five θ angle (see Fig. 7b)). a) b) Figure 7 5.5.5.4 The angle θ measured five averaged (in degrees), according to equation (1) is calculated. κ (%) = θ180 × 100 (1) Where. κ --- monofilament bending recovery rate,%. 5.6 Brushed 5.6.1 flat-shaped hair toothbrush Take any three beams in the brush plush surface, then these three tufts removed, attached to the paper, with more than 30 times the microstructure Microscope, according to equation (2) pass rate calculations. ɑ (%) = nm × 100 (2) Where. ɑ --- sanding pass rate,%; n --- monofilament top contour number of qualified; m --- monofilament total number of samples. 5.6.2 shaped hair toothbrush bristles at high, medium and low beam depicting a bunch of hair, these three tufts of hairs removed, attached to the paper, with more than 30 times Microscope, according to equation (2) pass rate calculations. 5.7 appearance quality Under natural light or light 40W 300mm visual distance toothbrush, the handle of the bubble defect standard dust figure in the comparative examination.6 Inspection rules6.1 Inspection classification Inspection is divided into the factory inspection and type testing. 6.2 factory inspection 6.2.1 Where the proposed delivery of the product, the factory inspection should be carried out. Product shall be subject to quality inspection department of the production plant according to the standard rear inspection Can Factory, together with instructions for use and the inspection identification. 6.2.2 factory inspection according to GB/T 2828.1-2012 provisions, special inspection level S-3 is normally checked a sampling program, Its test items, requirements, test methods, acceptance quality limit AQL values in Table 7. Table 7 Test item number requirements, test methods AQL value 1 sanding 4.6 5.6 2 appearance quality 4.7 5.7 6.5 6.2.3 If the factory inspection as unqualified batches, you can double the sample from the batch in nonconforming items recheck, as there is a re-examination is still Fail, then determine whether the product is defective. The batch of products should be reworked only after inspection. 6.3 Type inspection 6.3.1 There should be one of the following types of testing. a) new products or old products to the plant when the trial to identify stereotypes; B) after the official production, such as structure, materials, processes have a greater change, you may affect product performance; C) After the normal production of bulk product sampling inspection, at least once a year; D) After six months discontinued products, recovery of production; e) factory inspection results are quite different when the last type inspection; f) National Product Quality Supervision bodies during type inspection requirements. 6.3.2 Type inspection of samples should be extracted 18 inspection, evaluation type test to fail count after qualifying in batch factory inspection Calculations. 6.3.3 type test according to GB/T 2829-2002 provisions, the use of a sampling program I determined level of inspection items, requirements, test Test methods, failure classification, substandard quality level (RQL values), the number of samples, determined the array shown in Table 8. Table 8 Test item number requirements, test methods substandard classification RQL value samples Determination array Ac Re 1 health requirements 4.1 5.1 2 4.2.1 5.2.1 Safety requirements Brushed 3 4.6 5.6 4 Physical properties 4.5 5.5 B 40 5 1 2 Size 5 4.3 5.3 6 appearance quality 4.7 5.7 C 65 3 1 2 6.3.4 harmful elements shall meet the requirements of 4.2.2, otherwise determined to be ineligible. 6.3.5 tuft strength classification should meet the requirements of 4.4.2, the test sample 5, match three or more data and express strength, determined to be fit Grid, otherwise determined to be ineligible. 6.3.6 there is a failure is determined that the type test failed. 7 signs, packaging, transportation and storage 7.1 marks 7.1.1 Product sales unit should be marked with the Chinese on the package the following contents. a) the product name; b) production plant name and address; c) implementation of standard number; d) tuft strength category; e) nominal wire diameter; f) identification of product quality inspection. 7.1.2 Chinese product box should have the following contents. a) the product name; b) production plant name and address; c) type; d) number; e) length × width × height. 7.2 Packaging Product box should be solid, no damage, storage box on the sign shall comply with GB/T 191's. 7.3 Transport Product handling when you want to handle it gently to prevent rain and stress. 7.4 Storage The product should be stored in dry, ventilated warehouse.Appendix A(Normative) Test harmful elements A.1 Principle Soluble elements extracted under the following simulation conditions from the product material to simulate the material after swallowing continuous contact with the acid after a period of time Dissolution thereof. Using appropriate analytical method detection limit of quantitative determination of soluble elements. A.2 Reagents and Instruments A.2.1 Reagents A.2.1.1 hydrochloric acid solution 1. c (HCl) = (0.070 ± 0.005) mol/L. A.2.1.2 hydrochloric acid solution 2. c (HCl) = 2mol/L. A.2.1.3 Water. should be consistent with GB/T 6682-2008 specified grade 3 purity. A.2.2 Instruments A.2.2.1 pH tester. minimum scale value of 0.02. A.2.2.2 constant temperature water bath oscillator. minimum scale value of ± 2 ℃. A.2.2.3 balance, minimum scale value is 0.0001g. A.2.2.4 chemical containers. If a plug conical bottle with a capacity of 1.6 to 5.0 times the volume of hydrochloric acid extractant. A.3 Sampling Mechanical scraping or clip method at room temperature on a test sample from different materials and colors were sampled. Each sample length should not Greater than 6mm. Less than 10mg of material exempt from testing. 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