GB/T 32788.4-2016 English PDFUS$159.00 ยท In stock  
  Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 32788.4-2016: Test method for properties of prepreg -- Part 4: Determination of tensile strength Status: Valid 
 Basic dataStandard ID: GB/T 32788.4-2016 (GB/T32788.4-2016)Description (Translated English): Test method for properties of prepreg -- Part 4: Determination of tensile strength Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q23 Classification of International Standard: 83.120 Word Count Estimation: 8,847 Date of Issue: 2016-06-14 Date of Implementation: 2017-05-01 Quoted Standard: GB/T 1446; GB/T 32788.5 Regulation (derived from): National Standard Announcement No. 8 of 2016 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the principles, apparatus and equipment for the determination of the tensile strength of prepregs, test specimens, test conditions, test procedures, test results and test reports. This standard applies to carbon fiber, glass fiber, aramid fiber as a reinforcing material to thermosetting resin as the matrix of unidirectional prepreg tensile strength determination. GB/T 32788.4-2016: Test method for properties of prepreg -- Part 4: Determination of tensile strength---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. Test method for properties of prepreg - Part 4. Determination of tensile strength ICS 83.120 Q23 National Standards of People's Republic of China Test method for performance of prepregs Part 4. determination of tensile strength Part 4. Determinationoftensilestrength 2016-06-14 release 2017-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released ForewordGB/T 32788 "Prepreg performance test method" is divided into six parts. Part 1. Determination of gel time; - Part 2. Determination of resin fluidity; Part 3. Determination of volatile matter content; - Part 4. Determination of tensile strength; - Part 5. Determination of resin content; Part 6. Determination of mass per unit area. This part is part 4 of GB/T 32788. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section is proposed by the China Building Materials Federation. This part of the National Fiber Reinforced Plastics Standardization Technical Committee (SAC/TC39) centralized. This part is responsible for the drafting unit. Harbin FRP Research Institute. This part participates in the drafting unit. AVIC Composite Material Co., Ltd., Hebei Haozheng Non-metallic Material Testing Service Co., Ltd., Lei Ke Germany (polymer) Tianjin Co., Ltd., Jiangsu Hengshen Co., Ltd., Qihe County, Xingda Composite Materials Co., Ltd. The main drafters of this part. Ding Xinjing, Wang Baorui, Sun Yuanjun, Ren Kun, Li Jinliang, Liu Dongxun, Zhang Rongqi, Yu Hao, Li Hongjiang, He Tao. Test method for performance of prepregs Part 4. determination of tensile strength1 ScopeThis part of GB/T 32788 specifies the principles, apparatus and equipment for the determination of the tensile strength of prepregs, samples, test conditions, test steps Test results and test reports. This part is suitable for carbon fiber, glass fiber, aramid fiber as a reinforcing material, thermosetting resin as the matrix of unidirectional prepreg Determination of elongation.2 normative reference documentsThe following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 1446 Fiber reinforced plastics - Test methods - General Test method for performance of prepregs - Part 5. Determination of resin content GB/T3 principleA unidirectional prepreg sample with a reinforcing sheet was stretched and loaded on a test machine to record a failure load, and the prepreg was calculated strength.4 instruments and equipment4.1 testing machine. in line with the relevant provisions of GB/T 1446. 4.2 Analysis of balance. sense of 0.001g. 4.3 blast oven. 4.4 cardboard. thickness of 0.5mm ~ 1.0mm.5 samples5.1 Sampling Discard the protective film after sampling, sampling from the edge of at least 50mm, the sample should not contain burrs. Special sampling requirements according to the relevant technical conditions determine. 5.2 Sample size The sample size is shown in Fig. 5.3 Number of samples Effective sample not less than 5. ...... |