QC/T 1029-2016 PDF EnglishUS$110.00 · In stock · Download in 9 seconds
QC/T 1029-2016: Polypropylene(PP) cellular board production for vehicles Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
QC/T 1029-2016: Polypropylene(PP) cellular board production for vehicles---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/QCT1029-2016QC AUTOMOBILE INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.020 T 40 Polypropylene(PP) cellular board production for vehicles Issued on: JANUARY 15, 2016 Implemented on: JULY 1, 2016 Issued by. Ministry of Industry and Information Technology of the People's Republic of China Annex. Standard Numbers, Names, Starting Dates of Implementation for 7 Automotive Industry Standards SN Standard Numbers Standard Names Replaced Standard Numbers Starting Date of Implementation 215 QC/T 1025-2016 Performance Requirements and Bench Test Methods of Automatic Transmission Oil Pump July 1, 2016 216 QC/T 1026-2016 Performance and Determination of PVC Slush Skin of Automotive Instrument Panel July 1, 2016 217 QC/T 1027-2016 Technical Requirements for Film Mounted Motor Vehicle Glass July 1, 2016 218 QC/T 1028-2016 Performance Requirements and Test Methods of Vehicle Vacuum Check Valve July 1, 2016 219 QC/T 1029-2016 Polypropylene (PP) Cellular Board Production Vehicles July 1, 2016 220 QC/T 1030-2016 Bus Push-Out Emergency Window July 1, 2016 221 QC/T 678-2016 Pneumatic Driving Pump of Passenger Door of Bus QC/T 678-2001 July 1, 2016 Table of ContentsForeword ... 5 1 Scope ... 6 2 Normative references ... 6 3 Terms and definitions ... 6 4 General requirements ... 7 5 Performance requirements ... 8 6 Test methods ... 10 7 Inspection rules ... 14 8 Storage ... 15 Annex A (normative) Odor test specification ... 16 Polypropylene(PP) cellular board production for vehicles1 ScopeThis Standard specifies general requirements, performance requirements, test methods, inspection rules and storage requirements of polypropylene (PP) cellular board product for vehicles. This Standard is applicable to double or triple layer polypropylene cellular board product such as car roof, side rear cover, luggage cover.2 Normative referencesThe following referenced documents are indispensable for the application 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/T 2918-1998, Plastics - Standard atmospheres for conditioning and testing GB 8410, Flammability of automotive interior materials GB/T 9341-2008, Plastics - Determination of flexural properties3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply. 3.1 substrate double or triple layer polypropylene cellular board product without composite fabric 3.2 the composite sheet polypropylene cellular board product that decorative fabric is combined with the substrate 6.6.1 Sample Take 5 pieces of 120mm × 10mm samples on the product. The sample thickness is the part thickness. 6.6.2 Test equipment Tensile machine with a precision of level one. 6.6.3 Test steps Accurately measure the width and thickness of the specimen with a caliper with an accuracy of 0.02 mm or more. Test according to the provisions of GB/T 9341- 2008. The indenter radius is 5 mm, the span is 16 times the thickness of the sample, and the test speed is (2.0 ± 0.4) mm/min. Double-layer polypropylene cellular board head presses on the flat side. 6.7 Resistance to coldness and heat 6.7.1 Sample 3 pieces of products. 6.7.2 Test equipment Thermostatic oven, low temperature box, humidity box or high and low temperature humid heat box; temperature accuracy is controlled at ±2°C, humidity accuracy is controlled at ±5%. 6.7.3 Test steps Perform 4 cycles of tests when product in under assembly state, of which (80 ± 2 )°C/3 h → RT/1 h → (-40 ± 2)°C/3 h → RT/1 h → ( 55 ± 2 )°C, 95%RH/15 h → RT/1 h is one cycle (RT refers to room temperature). Observe the appearance change after the test. 6.8 Heat aging resistance 6.8.1 Sample 3 pieces of products. 6.8.2 Test equipment Thermostatic oven, temperature accuracy is controlled at ±2°C. 6.8.3 Test steps Take 3 pieces of products. Accurately measure the main assembly size or outer Take 5 pieces of 250mm × 50mm samples on the product. Strip 100 mm at one end. 6.12.1 Test equipment Tensile machine, the accuracy is one level; thermostatic oven, low temperature chamber, humidity chamber, temperature accuracy is controlled at ±2°C, and the temperature accuracy is controlled at ±5%. 6.12.3 Test conditions a) Delivery state. b) Resistance to coldness and heat. perform 4 cycles of tests, of which (80 ± 2 )°C/3 h → RT/1 h → (-40 ± 2)°C/3 h → RT/1 h → ( 55 ± 2 )°C, 95%RH/15 h → RT/1 h is one cycle; c) Heat resistance. (80 ± 2)°C/168h; d) Coldness resistance. (-40 ± 2)°C/24h. 6.12.4 Test steps Place the sample treated according to the above test conditions at room temperature for 2 h. After the decorative fabric is peeled off from the substrate, one end of the substrate is clamped on the clamp on the tensile machine, and one end of the decorative fabric is clamped on the clamp under the tension machine. Perform the 180° peel test with professional fixture at (100 ± 10) mm/min. Measure the maximum load at the time of peeling and record the 50- mm wide sample peel force. Take the average value of the results of the five samples as the test result, in one after the decimal point.7 Inspection rules7.1 Testing frequency and project The testing of cellular board product shall determine the inspection frequency and project according to quality control requirements. 7.2 Re-inspection When one of the following conditions occurs, it shall be fully tested in accordance with this Standard. a) continuous production for more than half a year; b) technique conditions change;Annex A(normative) Odor test specification A.1 Test devices, test conditions A.1.1 Sample The sample shall be prepared as much as possible in a considerable area or volume. A 50 cm2 sample shall be cut from the part. A.1.2 Test devices Electric blast drying oven, temperature accuracy is controlled at ±2°C. Use glass closed container with a volume of 1 L. The container must be cleaned and dried before each test to ensure that the container is clean and tasteless. It is recommended to use a glass container with a screw cap. A.1.3 Test conditions Method A. (40 ± 2)°C, add 50 mL of distilled water to the container, store (24 ± 1) h, support the sample with a metal bracket to ensure that the sample does not touch the water. Method B. (80 ± 2)°C, store (2 ± 0.1) h. NOTE. Method B is a rapid test method. Under normal circumstances, the odor at 80°C is greater than the odor at 40°C. If the part is considered to be in a warm condition, no toxic or odor shall occur, then the test of Method A may not be performed. A.2 Test steps Place the cut sample into a closed container and test it according to Method A and Method B specified in A.1.3. After taking out, the smell shall be evaluated as follows. The evaluation environment shall meet the requirements of GB/T 2918-1998. For Method A. after the test container is taken out of the dry box, the first full- time inspector opens the lid 30° ~ 45° on one side and sniffs the lid quickly to ensure that the container is closed, then passes the container to the second full-time inspector; the second full-time inspector shall pass the container to the third full-time inspector for assessment. Each full-time inspector shall give an evaluation score immediately after the smell. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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