Interlaboratory comparisons

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Interlaboratory comparisons

Laboratory comparison is an effective external quality control activity for laboratories and inspection and testing institutions, as well as an important supplement to internal quality control activities. Since 2020, the National High tech Materials Analysis and Testing Center has successfully organized more than 30 laboratory comparison activities, with nearly 500 laboratories participating in the comparison.


2023 National High tech Materials Analysis and Testing Center Laboratory Comparison Plan

序号 计划名称 测试项目 测试标准 计划时间
1 热塑性塑料熔体质量流动速率的测定 MFR GB/T 3682.1-2018 3
2 塑料 非泡沫塑料密度的测定 密度 GB/ T 1033.1-2008-A 3
3 塑料拉伸性能的测定 拉伸强度、拉伸屈服应力、拉伸屈服应变 GB/T 1040.1-2018GB/T 1040.2-2006 4
4 塑料弯曲性能的测定 弯曲强度、规定挠度下弯曲应力 GB/T 9341-2008 4
5 熔融和结晶温度及热焓的测定 熔融温度 GB/T 19466.3-2004 5
6 塑料重金属四项的含量测定 总铅、总汞、总镉、总铬 IEC 62321-5:2013 5
7 塑料悬臂梁缺口冲击性能的测定 悬臂梁缺口冲击强度 GB/T 1843-2008 6
8 塑料燃烧性能的测定(水平燃烧) 水平燃烧试验 GB/T 2408-2021 6
9 高应变速率下拉伸性能测定  拉伸强度、伸长率 GB/T36805.1-2018&GB/T36805.2-2020 7
10 塑料耐电痕化指数的测定 耐电痕化指数 IEC 60112-2020   GB/T 4207-2012 7
11 塑料灼热丝起燃温度的测定  GWIT IEC60695-2-13:2010   GB/T5169.13-2013 7
12 塑料维卡软化温度的测定 维卡软化温度 ISO 306:2013 8
13 塑料 负荷变形温度的测定 负荷变形温度 GB/T 1634.1-2019&B/T 1634.2-019 8
14 塑料主成分定性分析 塑料主成分定性分析 GBT 6040-2019  8
15 塑料拉伸性能的测定 拉伸强度、拉伸屈服应力、拉伸屈服应变 GB/T 1040.1-2018GB/T 1040.2-2006 9
16 塑料简支梁缺口冲击性能的测定 简支梁缺口冲击强度 GB/T 1043.1-2008 9
17 热塑性塑料熔体质量流动速率的测定 MFR GB/T 3682.1-2018 9

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