Standards Interpretation
Automotive damp heat testing: judging failure in ISO 16750-4 steady-state and cyclic damp heat.
恒定湿热和交变湿热常被企业当成一回事，但汽车电子件在车规环境…
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KNOWLEDGE
Standards Interpretation
Standard clauses translated into engineering language: how to read the limits, how to choose test conditions, how to prepare samples, and where the common misunderstandings are. Every article comes from a real project.
Standards Interpretation
Automotive damp heat testing: judging failure in ISO 16750-4 steady-state and cyclic damp heat.
恒定湿热和交变湿热常被企业当成一回事，但汽车电子件在车规环境…
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Standards Interpretation
How is paint-free trim ageing tested? Judging flow marks and bright spots.
迈科检测按 GB/T 16422.2（等同 ISO 4892…
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Standards Interpretation
Automotive thermal shock testing: severity levels and failure criteria in ISO 16750-4.
汽车电子热冲击试验的坑，在转换时间不在温度高低。做冷热冲击测…
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Standards Interpretation
Salt spray testing for electrical products: choosing between GB/T 2423.17 and ISO 9227.
一家做连接器的工厂拿着两份客户规格书来问，为什么同样做盐雾测…
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Standards Interpretation
Automotive mechanical shock testing: severity levels and failure criteria in ISO 16750-3.
汽车电子机械冲击试验的坑，在装机位置不在实验室。做汽车零部件…
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Standards Interpretation
Automotive modules reset by mobile phone interference: ISO 11452-9 portable transmitter immunity remediation.
台架全过、装车就瘫，这是汽车电子EMC整改里典型被漏掉的一类…
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Standards Interpretation
How should environmental test sequences for interior/exterior trim be ordered, and how is conditioning handled?
同一套内外饰样件，试验顺序排错，前一项会把后一项的失效提前诱…
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Standards Interpretation
Choosing IP tests for exterior trim: IPX4 versus IP6K9K is about more than water volume.
同一只后视镜，IPX4 过了、IPX6 也过了，装车三个月照…
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Standards Interpretation
Automotive salt spray testing: all three levels use 50 g/L NaCl - the difference is pH and temperature.
汽车电子盐雾试验的选择点在图纸，不在实验室。ISO 9227…
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Standards Interpretation
How is headliner fabric ageing tested? Which standards cover light fading and humid-heat mildew?
汽车顶棚织物不是一块布那么简单——背后是泡沫背衬和基材压合的…
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