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Basic dataStandard ID: LY/T 3198-2020 (LY/T3198-2020)Description (Translated English): Binderless bamboo chopping board Sector / Industry: Forestry Industry Standard (Recommended) Classification of Chinese Standard: Y87 Classification of International Standard: 79.020 Word Count Estimation: 14,154 Date of Issue: 2020-03-30 Date of Implementation: 2020-10-01 Regulation (derived from): Announcement No. 6 of 2020 by the State Forestry and Grassland Bureau Issuing agency(ies): State Forestry and Grassland Administration LY/T 3198-2020: Binderless bamboo chopping board---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.Binderless bamboo chopping board ICS 79.020 Y87 LY People's Republic of China Forestry Industry Standard Glue-free bamboo cutting board 2020-03-30 released 2020-10-01 Implementation Issued by the State Forestry and Grassland Administration ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed and managed by the National Bamboo and Rattan Standardization Technical Committee (SAC/TC263). Drafting organizations of this standard. Hunan Academy of Forestry, Beijing Forestry Machinery Research Institute of State Forestry and Grassland Administration, Hunan Province Product Quality Supervision and Inspection Research Institute, Hunan Forest Product Quality Inspection and Testing Center, Xiangtan Fairy Bamboo Industry Co., Ltd., Zhejiang Jiuchuan Bamboo and Wood Co., Ltd. Company, Yiyang Hailihong Bamboo Industry Co., Ltd., Hunan Yueyu Bamboo Industry Co., Ltd., Hunan Fenghe Bamboo and Wood Technology Co., Ltd. The main drafters of this standard. Sun Xiaodong, Zhou Jianbo, Peng Liang, Xiao Fei, Wang Xinyu, Yu Ninghua, Gong Yuzi, Wang Xiaobo, Zhou Songzhen, Yang Jianjun, Liu Weili, He Shuguang, Peng Lingyun, Zhang Bin, Kang Di, Zhou Yifan. Glue-free bamboo cutting board1 ScopeThis standard specifies the terms and definitions, classification, requirements, inspection methods, inspection rules, marking, packaging, transportation and Store. This standard applies to non-glue bamboo cutting boards made from bamboo. It is not suitable for bamboo cutting boards with whole bamboo flat and no glue on the surface.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 191 Packaging, Storage and Transportation Pictorial Sign (ISO 780.1997, MOD) GB/T 2828.1-2012 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB 9685 National Food Safety Standard Food Contact Material and Product Additives Use Standard GB/T 17657-2013 Test method for physical and chemical properties of wood-based panels and facing wood-based panels GB 31604.24 National Food Safety Standard Determination of Cadmium Migration in Food Contact Materials and Products GB 31604.32 National Food Safety Standard Determination of Sulfur Dioxide in Wood Materials of Food Contact Materials and Products GB 31604.34 National Food Safety Standard Determination of Lead in Food Contact Materials and Products and Determination of Migration GB 31604.38 National Food Safety Standard Food Contact Materials and Products Determination of Arsenic and Determination of Migration LY/T 1660 Terminology for bamboo wood-based panels3 Terms and definitionsThe following terms and definitions defined in LY/T 1660 apply to this document. 3.1 Binderless bamboo chopping board It is made of bamboo as raw material, no adhesive is used, and it is fastened by fasteners. Bamboo cutting board for food contact. 3.2 Binderless bamboo chopping board with hoop Bamboo cutting boards for food contact are made with bamboo strips, bamboo slices, etc. as constituent units, without adhesives, and with fasteners such as steel hoops. (Generally round, as shown in Figure 1). Among them. a--fasteners, b--bamboo strips, bamboo chips, etc., c--handle d--diameter, t--thickness Figure 1 Tightening type non-glue bamboo cutting board 3.3 Binderless bamboo chopping board with holder It is processed and manufactured with refined bamboo strips as the constituent unit, and does not use adhesives, and uses screws, screws or rivets and other fasteners to make food contact Use a bamboo cutting board (usually rectangular, as shown in Figure 2). 3.4 Fastener Used to lock the steel hoops, screws, screws or rivets of the non-plastic bamboo cutting board. 3.5 Warping degree The degree of curvature of the surface of the glueless bamboo cutting board in space is expressed as the distance between the two points furthest in the direction of the bending height. 3.6 Skips Part of the surface that has not been polished. 3.7 Stain Partial discoloration or stains on the surface of the glue-free bamboo cutting board caused by microorganisms, metals or chemicals. 3.8 Prickle Metal parts such as surfaces, fasteners or handles may cause punctures and scratches. 3.9 Acute side Corners or metal accessories may cause scratches on the human body. 3.10 Seam gap In the dry state, there may be gaps between adjacent bamboo strips, bamboo slices or refined bamboo strips on non-glue bamboo cutting boards. 3.11 Working surface The surface of the non-glue bamboo cutting board designated for contact with food. 3.12 Non-working surface The surface of the glue-free bamboo cutting board not designated for contact with food.4 categories4.1 According to the use area. a) Single-sided non-glue bamboo cutting board; b) Double-sided non-glue bamboo cutting board. 4.2 According to the fastening form. a) Tightening type non-glue bamboo cutting board; b) Clamping type non-glue bamboo cutting board. 4.3 According to whether it is carbonized or not. a) Carbonized non-glue bamboo cutting board; b) Natural non-glue bamboo cutting board. c) Combined non-glue bamboo cutting board.5 requirements5.1 Raw material requirements 5.1.1 The bamboo is generally 4 to 6 years old raw bamboo. 5.1.2 The additives used in the production of glue-free bamboo cutting boards shall meet the requirements of the national standard GB 9685. 5.2 Product grade The products are divided into two grades of superior products and qualified products according to the appearance quality requirements. 5.3 Sensory requirements 5.3.1 Odor The smell is required to be free of musty and other obvious peculiar smells. 5.3.2 Appearance quality requirements Note. Not obvious-Normal vision is 400mm away from the surface of the non-glue bamboo cutting board under natural light, which is not easy to distinguish by naked eye observation. 5.4 Specification size and deviation, shape error 5.4.1 Specifications and deviations Should meet the requirements of Table 2. 5.4.2 Shape error Should meet the requirements of Table 3. 5.6 Limits of hazardous chemical substances The limit of hazardous chemical substances shall comply with the regulations in Table 5.6 Inspection method6.1 Sensory inspection 6.1.1 Odor At a distance of 50mm from the surface of the non-glue bamboo cutting board, sniff the samples and inspect them as required. 6.1.2 Appearance quality requirements Perform visual inspection on the samples as required. When using visual inspection, it should be approximately within the range of natural light or illuminance from 300lx to 600lx Under natural light (such as 40W fluorescent lamp), the viewing distance is 400mm~500mm. 6.2 Inspection of size, deviation and shape error 6.2.1 Measuring tools The measuring tools and specifications used are as follows. --Vernier caliper, the graduation value is 1.0mm, and the accuracy is 0.02mm. --Feel gauge, accuracy level 1. --Steel tape, 3m long, graduation value 1.0mm, accuracy 1.0mm. --Steel ruler, graduation value is 0.5mm, precision is 0.5mm. 6.2.2 Length, width, thickness, diameter 6.2.2.1 Length (l) and width (w) Choose 3 measuring points within 20mm from the edge of the bamboo cutting board, measure with a steel tape or steel ruler, and take the minimum of all the measured values as the measurement The test result is accurate to 1.0mm. 6.2.2.2 Thickness (t) At the four corners of the rectangular bamboo cutting board and the middle of each side; on the circumference of the circular bamboo cutting board, select a total of 8 points, measure with a vernier caliper, and take the There is the minimum value of the measured value as the test result, accurate to 0.1mm. 6.2.2.3 Diameter (d) Select a total of 3 points on the bamboo part of the circular bamboo cutting board, pass the center of the circle, and measure with a steel tape or a steel ruler, whichever is the smallest The value is used as the test result, accurate to 1.0mm. Note. For bamboo cutting boards that have not been painted (painted), the amount of heavy metal migration may not be tested. 6.2.2.4 Warpage (f) Place the bamboo cutting board on the surface of the water platform, and connect the side of the steel ruler (close to) any diagonal (diameter) of any use surface of the bamboo cutting board, Use a feeler gauge to measure the maximum chord height (accurate to 0.01mm). The ratio of the maximum chord height to the diagonal length (diameter) is the warpage. Take all samples to measure The maximum value of the value is used as the test result, expressed as a percentage, accurate to 0.01%. 6.3 Physical and mechanical properties and limit inspection of hazardous chemical substances 6.3.1 Sample preparation 6.3.1.1 It should be taken from a position at least 20 mm away from the edge of the sample. 6.3.1.2 Sampling can be based on the shape and structure of the product, and the sampling method can be determined after analysis and indicated in the inspection report. 6.3.1.3 Specimen specifications, quantity, and preparation requirements. Should meet the requirements of Table 6. 6.3.2 Water content According to the provisions of 4.3 in GB/T 17657-2013.The moisture content is the arithmetic average of the moisture content of the three tested samples. 6.3.3 Splicing quality 6.3.3.1 Hoop type non-glue bamboo cutting board Test separately according to wet state and dry state. a) Wet state. Take three samples and completely immerse the whole bamboo cutting board in water (the liquid level is more than 2mm above the board surface), according to the requirements in Table 4 After operation, check whether the fastener is broken and measure the degree of warpage. b) Dry state. Take three samples and operate according to the requirements in Table 4 to check whether the fasteners are loose; use a feeler gauge to measure the seam separation and record; Visually inspect the pores and count them. 6.3.3.2 Clamping non-glue bamboo cutting board Test separately according to wet state and dry state. a) Wet state. Take three samples and completely immerse the whole bamboo cutting board in water (the liquid level is more than 2mm above the board surface), and operate according to Table 4 After completion, check whether the fastener is broken or slippery; visually check whether there is a crack on the board surface or near the threaded hole. b) Dry state. Take three samples and operate according to Table 4 to check whether the fasteners are loose; use a feeler gauge to measure the seam separation and record. 6.3.4 Handle firmness 6.3.4.1 Adopt the method of hanging from the code to detect, repeat three times. 6.3.4.2 Method Fix the glue-free cutting board vertically on the fixed frame, the handle part is vertically downward, and the distance from the ground is about 1m. Choose the code and follow the glue-free bamboo cutting board The weight of 5 times the net weight is used to determine the weight of the law code. Hang the law code with a string on the handle, and the static load is 5 minutes. 6.3.5 Impact resistance of use surface 6.3.5.1 Use the falling ball impact method to test, repeat three times. 6.3.5.2 Method 6.3.6 Migration of sulfur dioxide According to the provisions of GB 31604.32. 6.3.7 Residual amount of oxidant 6.3.8 Principle Under acidic conditions, oxidant residues and potassium iodide will generate iodine. The produced iodine is titrated with sodium thiosulfate standard solution, and starch is used as the Indicator, the color of the solution fades from blue to colorless as the end point of the titration. Record the volume of the sodium thiosulfate standard solution consumed by the titration and use the formula Calculate the residual amount of oxidant. 6.3.8.1 Reagents The reagents used are as follows. a) Sulfuric acid solution (1 3). Take 1 volume of concentrated sulfuric acid and slowly inject 3 volumes of water. b) Potassium sulfide solution. 50g/L, prepared during use. c) 0.02mol/L sodium thiosulfate standard solution. Prepare and calibrate 0.1mol/L sodium thiosulfate standard solution according to GB/T 601, just before use. d) 5g/L starch solution. Weigh 0.5g starch, add 5mL water to make it into a paste, add the paste to 50mL boiling water under stirring, Boil for 1min~2min, cool and dilute to 100mL. The use period is two weeks. e) Acetic acid solution (11). Mix 1 volume of glacial acetic acid with 1 volume of water. 6.3.8.2 Method Take 20g samples as a group and do two parallel tests. Into a 500mL stoppered iodine flask, add 25mL potassium iodide solution and 5mL sequentially Sulfuric acid solution, 0.5mL starch solution, 5mL acetic acid solution,.200mL distilled water, and then put each group of samples into an iodine measuring flask, screw the flask tightly Stopper, shake for 0.5h. Titrate the solution in the iodine flask with 0.02mol/L sodium thiosulfate standard solution. The color of the solution fades from blue to colorless, and 30s The color does not change as the titration end point. Record the volume of sodium thiosulfate standard solution consumed. Carry out a blank test at the same time, the operation is the same as above. Record the volume of sodium thiosulfate standard solution consumed. 6.3.8.3 Results 6.3.9 Arsenic (As) migration The determination of arsenic (As) migration is carried out in accordance with the regulations of GB 31604.38. 6.3.10 Migration of heavy metals The measurement of lead (Pb) migration is carried out in accordance with the provisions of GB 31604.34.The measurement of cadmium (Cd) migration is carried out in accordance with the provisions of GB 31604.24 Row.7 Inspection rules7.1 Inspection classification Product inspection is divided into factory inspection and type inspection. 7.2 Factory inspection Each batch of products shall undergo factory inspection, which shall be carried out on the premise of passing the type inspection. The factory inspection includes the following items. a) Sensory inspection; b) Inspection of size, deviation and shape error; c) In the physical and mechanical performance test items, the moisture content, the impact resistance of the service surface, and the firmness of the handle are included. 7.3 Type inspection 7.3.1 Type inspection is all clauses in the technical requirements. 7.3.2 Normal production for one full year. In one of the following situations, type inspection shall be carried out. a) Trial-type appraisal of new products or product transfer to factory production; b) During formal production, such as when there are major changes in structure, raw materials, and processes; c) When the product has been suspended for more than half a year, when production resumes; d) When there is a big difference between the factory inspection result and the last type inspection result; e) When the national market supervision and management agency puts forward a type inspection request. 7.4 Principles of group batching Products with the same raw material variety, production conditions, specifications, and types are an inspection lot. 7.5 Sampling plan 7.5.1 Sensory requirements inspection sampling plan 7.5.1.1 In order to ensure that its finished products meet the standard requirements, the manufacturer determines its grade by inspecting the appearance quality requirements of glue-free bamboo cutting boards one by one. 7.5.1.2 When performing sensory inspection on the non-glue bamboo cutting boards allocated in batches, the normal inspection in GB/T 2828.1-2012 shall be used for the second sampling. For the sample plan, the inspection level is II and the acceptance quality limit (AQL) is 6.5, which should meet the requirements of Table 7. 7.5.2 Sampling for size and deviation inspection When inspecting specifications, dimensions and deviations, the normal inspection sub-sampling plan in GB/T 2828.1-2012 shall be adopted, and the inspection level shall be I. The acceptance quality limit (AQL) is 10, which should meet the requirements of Table 8. 7.5.3 Sampling for physical and mechanical properties, limit inspection of hazardous chemical substances Samples are randomly selected from the submitted inspection batch. The sampling plan is shown in Table 9.Items that fail the first sampling test are allowed to be in the same batch. Double sampling re-inspection of the product, and the re-inspection is divided into two groups. 7.6 Results judgment 7.6.1 Sensory requirements, specifications, dimensions, and deviation items are in compliance with the technical requirements of the corresponding category and level, and the batch of products is determined to be qualified or unqualified If it is still unqualified, the batch of products will be judged as unqualified products; 7.6.2 The physical and mechanical performance items are in compliance with the corresponding technical requirements, and the batch of products is determined to be qualified. If unqualified, the batch of products shall be judged as substandard products; 7.6.3 If any one item (including one item) is unqualified in the limit of hazardous chemical substances, the batch of products shall be deemed unqualified. 8 Identification, packaging, transportation and storage 8.1 Identification 8.1.1 Logo The packaging, storage and transportation graphics shall be implemented in accordance with GB/T 191. 8.1.2 Label The package should be marked with the name of the factory, the address, the name of the product, the specification, the quantity, the grade, the date of manufacture, the implementation standard, the main material composition, Use the surface and other signs, and place the instruction manual, inspection certificate, and other product signs can be stamped according to the supply and demand contract. 8.2 Packaging 8.2.1 The packaging should meet the requirements of firmness, cleanliness, moisture-proof and beautiful appearance. 8.2.2 The packaging materials should be dry, clean, free of peculiar smell, and should not affect product quality. 8.3 Transportation and storage During transportation and storage, it must be protected from moisture, fire, packaging damage, pollution, and isolation from toxic, harmful and odorous items. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of LY/T 3198-2020_English be delivered?Answer: Upon your order, we will start to translate LY/T 3198-2020_English as soon as possible, and keep you informed of the progress. 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