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GB/T 25978-2018: Road Vehicle - Plates and Label Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 25978: Historical versions
Similar standardsGB/T 25978-2018: Road Vehicle - Plates and Label---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT25978-2018GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.020 T 04 Replacing GB/T 25978-2010 Road Vehicle – Plates and Label [Including No.1 Amendment List 2024XG1] Issued on. MAY 14, 2018 Implemented on. DECEMBER 01, 2018 Issued by. State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 4 2 Normative References... 4 3 Terms and Definitions... 4 4 Performance Requirements for Plates and Labels... 6 5 Test Methods of Plates and Labels... 10 Appendix A (Informative) Label Pasting Surface Suggestion... 24 No.1 Amendment List [2024XG1]... 251 ScopeThis Standard specifies the classification, performance requirements and test method for the plates and labels use don road vehicle to describe the vehicle information. This Standard is applicable to various types of plates and labels used on road vehicles to describe the vehicle manufacturing information, warning information, manipulation and indicative information. This Standard is not applicable to the directly-formed vehicle labels through marking, etching, casting, spraying, printing on the vehicle or vehicle components; or through sewing on the bodies of the components. This Standard is not applicable to the vehicle or component labels used (which can be removed before normal use of the vehicle) during the manufacturing, transporting, handover period. Various types of plates and labels used for vehicle parts and assemblies can be referred to.2 Normative ReferencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB/T 250 Textiles - Tests for Color Fastness - Grey Scale for Assessing Change in Color GB/T 3280 Cold Rolled Stainless Steel Plate Sheet and Strip GB/T 13306 Plate3 Terms and DefinitionsThe following terms and definitions are applicable to this document. 3.1 Plate A marker with rigid structure, loading vehicle information, mounted on a vehicle by riveting, welding and tape bonding, etc. The plate can be divided into metal and non- metal plates. 3.2 Label A marker with flexible structure, loading vehicle information, mounted on the vehicle by bonding, and the like modes. The label can be divided into engine compartment labels, exposed exterior labels, non-exposed exterior labels, exposed interior labels, non-exposed interior labels, and engine/transmission labels according to where they were used. 3.2.1 Engine compartment labels (A type) The Label located in the engine compartment and attached to the positions except the engine body. compartment, the plastic cover, the battery or the container, etc. 3.2.4 Exposed interior labels (D type) The label located inside the vehicle, visible in the normal use state (folded part in the stowed condition) of the part, exposed to sunlight; and the label located on the outer surface of the sun visor (visible surface). 3.2.5 Non-exposed interior labels (E type) The label located inside the vehicle, visible (for the folded part, it is visible when it is opened), non-exposed to sunlight; and the labels that are only exposed when sun visor is lowered or the door is opened. 3.2.6 Engine/transmission labels (F type) The label directly attached to the metal body of the engine or transmission.4 Performance Requirements for Plates and Labels4.1 Performance requirements for plates The coating adhesion, light fastness of color, abrasion resistance, salt spray resistance, heat and humidity resistance, mold resistance of the plate shall meet the relevant requirements of GB/T 13306. 4.2 Performance requirements for the label tape bonding 4.2.1 Peel strength The peel strength properties of the tape can be evaluated by 180° peel strength or 90° peel strength (choose either one). The requirements for peel strength under different working conditions are as follows. 4.2.2 Pulling force performance After the test of 5.2.4, the pulling force shall be greater than or equal to 125N. 4.2.3 Dynamic shear strength 4.2.3.1 Dynamic shear strength at initial adhesion After the test of 5.2.5 a), the dynamic shear strength shall be greater than or equal to 0.2N/mm2. 4.2.4 Static shear strength After the test of 5.2.6, the static retention time shall be greater than or equal to 10000min. 4.3 General performance requirements for labels 4.3.1 180° peel strength After the test of 5.3.2, 180° peel strength shall be greater than or equal to 0.44N/mm. 4.3.2 Abrasion resistance After the test of 5.3.3, the label shall be in good appearance, no adhesive or separative phenomenon, no damage, no significant change in surface color compared with the sample before the test; the information on the label shall be clear and easy to identify; if there is a barcode on the label, the barcode shall be readable after the test. 4.3.3 Liquid resistance After the test of 5.3.4, the label shall be in good appearance, no adhesive or separative phenomenon, no damage, no significant change in surface color compared with the sample before the test; the information on the label shall be clear and easy to identify; if there is a barcode on the label, the barcode shall be readable after the test. 4.3.4 Humidity resistance After the test of 5.3.5, the label shall be in good appearance, no adhesive or separative phenomenon, no damage, no significant change in surface color compared with the sample before the test; the information on the label shall be clear and easy to identify; if there is a barcode on the label, the barcode shall be readable after the test. 4.3.5 Thermal cycling performance After the test of 5.3.6.1, the label shall be in good appearance, no adhesive or separative phenomenon, no damage, no significant change in surface color compared with the sample before the test; the information on the label shall be clear and easy to identify; if there is a barcode on the label, the barcode shall be readable after the test. 4.3.6 Thermal aging performance After the test of 5.3.7, the label shall be in good appearance, no adhesive or separative phenomenon, no damage, no significant change in surface color compared with the sample before the test; the information on the label shall be clear and easy to identify; if there is a barcode on the label, the barcode shall be readable after the test. 4.4 Additional requirements for special purpose labels 1) 4.4.1 Anti-tamper performance 4.4.1.1 Label removal 4.4.2 Anti-counterfeiting performance 4.4.2.1 Labels shall be protected against forgery. 4.4.2.2 The label material shall contain the manufacturer’s logo or some other unique identifier, the alternation or elimination of which can identifiably change the appearance of the label.5 Test Methods of Plates and Labels5.1 Test methods of plates Perform the test as per the provisions of GB/T 13306. 5.2 Test methods of label tape bonding 5.2.1 Test environment Unless otherwise specified, all tests shall be carried out in a standard environment (23°C±2°C, 50%±5% RH); meanwhile, the test tape and test board shall be placed in a standard environment for 4h before being pasted. 5.2.2 Sample preparation Test board. length is 125mm±1mm, width is 50mm±1mm, thickness is 1.5mm~2.0mm; the test board is made of 06Cr19Ni10 specified in GB/T 3280.It is also possible to select a paint plate or electroplating plate on the outside of the vehicle part to which the label is actually pasted as a test board. The surface of the test board needs to be cleaned with absorbent gauge and detergent before tape is applied to test board. 5.2.3 Peel strength test 5.2.3.1 180° peel strength test Prepare the tape sample with width of 25mm±1mm, length of 200mm±1mm under the standard environment. In order to ensure that the tape is not stretched and deformed at the time of peeling, a polyester film with thickness of 20µm~60µm shall be attached to the open side of the tape. Meanwhile, in order to ensure the adhesion strength between the polyester film and the tape, before applying the polyester film, the primer is applied to the bonding surface of the polyester film; after the primer is dried, attach the polyester film to the tape. 5.2.3.3 Peel strength test at initial adhesion After the sample is prepared and pasted, place the test sample into the standard environment for 20min; test as per the test method specified in 5.2.3.1 or 5.2.3.2. 5.2.3.4 Peel strength test in standard environment After placing the test sample in the standard environment for 72h, test as per the test method specified in 5.2.3.1 or 5.2.3.2. 5.2.3.5 Peel strength test at high temperature After placing the test sample in the standard environment for 24h, test at 80°C±2°C condition as per the test method specified in 5.2.3.1 or 5.2.3.2. 5.2.3.6 Peel strength test after thermal aging After placing the test sample in standard environment for 24h, place it at 80°C±2°C condition; then place the sample in the standard environment 24h. Test as per the test method specified in 5.2.3.1 or 5.2.3.2. 5.2.3.7 Peel strength test after warm water aging After placing the test sample in standard environment for 24h, immerse it into a water bath at 40°C±2°C for 240h; then completely erase the moisture on the surface; place it in standard environment for 24h; test as per the test method specified in 5.2.3.1 or 5.2.3.2. 5.2.3.8 Peel strength test after cyclic aging After placing the test sample in standard environment for 24h, perform the aging test under the following temperature cycle. 5.2.3.9 Peel strength test after humidity resistance aging After placing the test sample in the standard environment for 24h, place the test sample at 38°C±2°C, 95% RH condition for 240h; after that, place the test sample in the standard environment for 24h; then test as per the test method specified in 5.2.3.1 or 5.2.3.2. 5.2.4 Pulling force performance test In the standard environment, prepare the tape and aluminum block with width of 12.5mm±1mm, length of 25mm±1mm. Adhere the side of the tape without the release paper to the aluminum block; then use 5.2.5 Dynamic shear strength test In the standard environment, prepare the tape sample with width of 25mm±1mm, length of 2mm±1mm. 5.2.6 Static shear strength test In the standard environment, prepare the tape sample with width of 25mm±1mm, length of 25mm±1mm. 5.3 Test methods of labels 5.3.1 Test preparation 5.3.1.1 Selection of test board When performing the tests of 5.3.2, 5.3.7, 5.3.12, the materials of test board shall be 06Cr19Ni10 specified in GB/T 3280. For other tests, it is recommended to select the actually adhesive surface of label to be used as the test board. 5.3.1.2 Preparation of test sample Except for the test provisions of 5.3.2, 5.3.11, 5.3.12, the size of the test label shall be consistent with the actual application; the size of the test board shall match the test label. The test label shall contain identification information. 5.3.2 180° peel strength test Prepare the label with width of 25mm±1mm, length of 200mm±1mm; attach the label to the test board (length of 125mm±1mm, width of 50mm±1mm, thickness of 1.5mm~2.0mm); use a 2kg-weight and 50mm-wide press roll to roll back and forth on its surface at the speed of 300mm/min; ensure the completely pasting of the label. Under the following test conditions. 5.3.3 Abrasion resistance test The label shall be applied to the same paperboard substrate provided by the manufacturer of the Taber abrasion tester, use CS-10 grinding wheel, pass through the Table abrasion tester; perform the following abrasion cycle at the load of 500g and at the speed of 30r/min. a) Class A, C, D, E labels shall be performed 100 abrasion cycles; b) Class B, F labels shall be performed 200 abrasion cycles. 5.3.4 Liquid resistance test In addition to the standard provisions, the liquid resistance test shall use the actually applied liquid of the vehicle. The test includes. 5.3.5 Humidity resistance test Place the test sample in the 40°C±2°C, 100% RH condition for 144h. After the test, place it in the standard environment for 1h; then visually examine. 5.3.6 Thermal cycling test 5.3.6.1 The test sample shall perform the following 2 cycles [one cycle is indicated form a) to d)] 5.3.6.2 After the test sample is prepared, place in the standard environment for 10min; perform 2 cycles as stipulated in a) ~ d) of 5.3.6.1.After the test, place in the standard environment for 1h; and visually examine. 5.3.6.3 It is only applicable to the labels that require significant temperature changes in a short time after pasting. 5.3.6.2 is not used as a label performance evaluation test; if after the test, the label appearance is significantly changed or the adhesion separation occurs; then such position is not recommended to past the label (see Appendix A for the label pasting surface suggestion). 5.3.7 Thermal aging test Place the test sample under the following temperature conditions. 5.3.9 Artificial climate accelerated aging test Place the test sample in the aging tank, which adopts the xenon lamp as a light source; the accumulated radiant energy of the test sample for type B labels can reach 2500kJ/m2; while type C labels can reach 600kJ/m2.During the test process, continuous illumination is used according to the illumination for 102min, illumination and water spray for 18min, the blackboard temperature is 65°C±3°C. After the test, place it in the standard environment for 1h, and visually examine. The artificial climate accelerated aging test is applicable to type B, type C labels. 5.3.10 High pressure resistance cleaning test After the tests of 5.3.5, 5.3.6.1, 5.3.7, place in the standard environment for 24h; then the high-pressure water gun with a pressure of 8.50MPa±0.34MPa and a water temperature of room temperature is sprayed at 45° from the 20cm position of the label for a duration of 5s. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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